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Experience Level
Mid to Senior
About the job
Join Nord Security as a Low-Level Engineer specializing in server-side development. We are seeking a talented mid-senior level engineer to contribute to our innovative projects. In this role, you will be responsible for building and optimizing backend systems that support our world-class VPN services.
The ideal candidate will have a strong understanding of low-level programming and a passion for creating efficient, robust server-side applications. You will work in a collaborative environment, utilizing cutting-edge technologies to enhance our existing infrastructure and develop new features.
Join Nord Security as a Low-Level Engineer specializing in server-side development. We are seeking a talented mid-senior level engineer to contribute to our innovative projects. In this role, you will be responsible for building and optimizing backend systems that support our world-class VPN services.The ideal candidate will have a strong understanding of lo…
Join NordLayer, where we are revolutionizing cybersecurity solutions that grow with your business.Our adaptable platform empowers modern teams to excel without the burden of security concerns. Trusted by over 11,000 companies worldwide, NordLayer seamlessly integrates into any technology stack, ensuring user protection across borders.Your Role: Play a pivotal part in helping businesses maintain robust security while advancing with innovative network protection.At NordVPN, we manage a global edge infrastructure that serves millions of users. This position is designed to address the challenge of gaining real-time insights into our infrastructure's performance at scale, while minimizing operational noise.We are seeking a Senior Site Reliability Engineer (SRE) with a focus on observability: your responsibilities will include designing monitoring systems, enhancing signal quality, alleviating alert fatigue, and collaborating with data teams for anomaly detection. You will take ownership of our understanding of the health and performance of our distributed systems.Key ResponsibilitiesDevelop, construct, and refine monitoring pipelines and observability tools across a globally distributed infrastructure.Establish and execute service-level monitoring strategies based on key performance indicators (latency, traffic, errors, saturation).Mitigate alert fatigue by creating actionable alerts that engineers can rely on.Create and manage custom exporters, scripts, and integrations for metrics and log collection.Work alongside the data team on anomaly detection and data-driven operational insights.Comprehend service signals—understand what metrics to track, their significance, and their interpretations.Core RequirementsExperience in distributed systems observability, including monitoring architecture, signal design, and dashboarding.Proficiency in golden signal methodology—designing monitoring processes that focus on what truly matters rather than what is easy to measure.Expertise in alert design—reducing noise, creating actionable alerts, and managing on-call responsibilities.Strong Python skills for scripting, custom exporter development, automation, and data processing.Linux administration and troubleshooting capabilities.
Join our dynamic R&D team at devexperts as a Backend Engineer. We are seeking a skilled professional who is passionate about building scalable and efficient backend applications. You will collaborate with cross-functional teams to design and implement innovative solutions that drive our products forward.
Join the forefront of internet privacy and security with NordVPN.Are you a proactive problem-solver looking to make a significant impact? Become a vital part of the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN globally—innovative tools designed to restore privacy, security, and user control.Your contribution? Empowering millions to regain control over their online security, privacy, and personal data.At NordVPN, we operate a globally distributed VPN and DNS infrastructure that serves millions of users. Your role will encompass deploying, managing, and enhancing VPN nodes worldwide, ensuring every client connection is optimized for speed, stability, and security.You will collaborate closely with application teams to ensure seamless client connectivity from end to end. Quality and reliability are paramount in this role.Key ResponsibilitiesDeploy and manage a globally distributed VPN and DNS infrastructureEnsure optimal connection quality, stability, and performance across all nodesCollaborate with application teams to enhance client connectivity and protocol performanceOptimize VPN service performance through kernel tuning, flamechart analysis, and profilingManage security measures including firewalls, PKI, certificate lifecycle, and hardeningOversee authentication and authorization frameworksTake ownership of configuration management and automated infrastructure provisioningCommunicate incidents clearly and lead postmortem analysesCore QualificationsManage critical VPN services from architecture to monitoring, ensuring scalability and securityDeliver on OKRs and key commitments within set timelinesDraft RFCs/ADRs for new features and refactoring effortsEnhance engineering quality through design reviews, knowledge sharing, and mentorshipBalance reliability, security, and delivery speed with sound operational judgment
Join NordProtect as a Backend Engineer and be part of a dynamic team dedicated to building robust, scalable backend systems using Go programming. As a key player in our development team, you will contribute to enhancing our security solutions and optimizing performance. Collaborate with cross-functional teams to deliver high-quality features that meet our customers' needs.
Join Saily, where we revolutionize mobile connectivity while traveling — no more roaming fees or plastic SIM cards. Experience lightning-fast, secure mobile data in over 200 destinations. With millions of paying customers and countless travelers engaging with Saily at any moment, we are dedicated to building the optimal product for our users.At Saily, we cultivate an AI-native Product Engineering culture, where:The Engineer is a builder, responsible for solving customer problems from ideation to production.AI Agents assist by automating repetitive tasks, empowering Engineers to maximize their impact.Every team member is encouraged to propose improvements and implement changes collaboratively.Curiosity, learning, and sharing knowledge are fundamental to our ethos.Customer satisfaction and a seamless travel experience are always our top priorities.We prioritize growth over comfort, contribution over hierarchy, and impact over processes. At Saily, we offer talented individuals the context, autonomy, and AI tools they need to excel in their work.
Join the dynamic team at SumUp, where the Global Bank tribe is dedicated to building robust infrastructure and essential services that empower merchants with digital business accounts, simplifying banking for millions of small enterprises. The Transfers Gateway squad plays a crucial role by connecting SumUp’s internal systems to external financial networks across the EU and the UK. We are responsible for the services that facilitate daily money movement through various payment schemes. Our team oversees the complete integration process and manages production services that handle real transactions at scale. You will be instrumental in modernizing legacy systems while ensuring reliability, accuracy, and adaptability, making architectural choices that directly impact uptime and enhance the merchant experience across diverse markets. Our tech stack comprises Go, AWS, Kafka, PostgreSQL, and Kubernetes, reinforced by a comprehensive observability toolchain including Prometheus, Grafana, and Honeycomb. We leverage AI-assisted development tools such as Cursor and GitHub Copilot to enhance our workflows. At SumUp, we foster an engineering culture rooted in ownership. We operate on a “build it, run it, improve it” philosophy, emphasizing strong observability and continuous learning. Engineers enjoy clear responsibilities and autonomy, with decisions documented and made collaboratively. The Vilnius team is integral to the Global Bank domain, managing production systems, influencing technical direction, and collaborating with colleagues across SumUp’s global offices to enhance critical merchant banking capabilities. Be a part of our Vilnius Team today! (Vilnius office)
Join Saily, where we simplify staying connected while traveling. With no roaming fees or plastic SIM cards, we provide fast and secure mobile data in over 200 destinations. Saily boasts millions of paying customers and hundreds of thousands of travelers exploring our services at any time.To create the best possible product for our users, we cultivate an AI-native Product Engineering culture where:The Engineer acts as the builder, responsible for solving customer problems from conception to production.AI Agents assist by automating repetitive tasks, enabling Engineers to focus on impactful work.Team members are encouraged to propose improvements and implement changes to enhance Saily's effectiveness.A culture of curiosity, learning, and knowledge sharing is embraced by all.We remain focused on ensuring a comfortable and hassle-free journey for our customers.We prioritize growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower talented individuals with context, autonomy, and AI as their multiplier, allowing them to produce their best work.
Join the forefront of digital privacy with us!As part of the innovative team behind Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN, you will empower millions of users to reclaim their online security, privacy, and control.Your role: You will be integral in developing robust components across multiple platforms, such as Windows, Linux, Android, and Apple.Main Responsibilities:Craft clean, maintainable, and efficient code using Rust.Tackle complex challenges in security, performance, privacy, and networking at scale.Adhere to clean code principles and the highest industry standards.Collaborate with Low-Level Team members to produce secure, high-performance software solutions.Engage and contribute to the open source community surrounding the libtelio library.Ensure code quality by leaving it in a better state than you found it.
Join our dynamic team at Nordsec as a Mid-Senior DevOps Engineer. In this role, you will play a pivotal part in enhancing our deployment processes, working collaboratively to optimize our infrastructure and automate workflows. You will have the opportunity to engage with cutting-edge technologies while driving efficiency and stability across our systems.
Join SumUp's Global Bank tribe, where we are dedicated to creating the essential infrastructure and core services that will empower our merchants with a digital banking experience tailored for their success. Our mission is to be the preferred banking partner for small merchants worldwide by delivering a banking experience that is effortless, straightforward, and cost-effective. As a member of the Global Bank tribe, you will play a significant role in developing SumUp's digital bank. Collaborate with a diverse, autonomous team from 32 different nationalities across cities like Cologne, Berlin, São Paulo, Sofia, London, and Vilnius, all committed to taking ownership, working with purpose, and supporting the growth of small businesses. In your capacity as a Senior Backend Engineer, you will be instrumental in transitioning from localized setups with regional banks to a unified Global Bank. This will involve tackling the challenges associated with migrating to a fully distributed, event-driven architecture. Our technology stack comprises Go, AWS, Kafka, PostgreSQL, and Kubernetes, complemented by a robust observability toolchain featuring Prometheus, Grafana, and Honeycomb. We also leverage AI-assisted development tools such as Cursor and GitHub Copilot. At SumUp, our engineering culture emphasizes ownership. We adhere to a “build it, run it, improve it” philosophy, ensuring strong observability and a commitment to continuous learning. Engineers enjoy a clear scope of work and autonomy, with decisions made collaboratively and documented thoroughly. The Vilnius team is integral to the Global Bank domain, overseeing production systems, shaping technical direction, and collaborating closely with colleagues across SumUp’s global offices on critical merchant banking capabilities. Join our Vilnius Team today! (Vilnius office)
Join our dynamic team of over 500 skilled professionals dedicated to developing innovative proxy and web data scraping solutions for a vast array of esteemed clients, including Fortune 500 companies.What Awaits You:As a key contributor, you'll tackle intricate challenges while managing our robust infrastructure, which boasts a staggering 60PB+ of monthly data traffic. Here are some impressive metrics that highlight our scale:- 6PB+ of Ceph storage- 60PB+ of monthly data traffic through our systems- Over 300k service requests processed per second- More than 500k Kafka messages streamed per secondRole Overview:In this position, you will design and enhance the customer-facing dashboard that underpins Webshare's proxy infrastructure. Our Next.js application supports numerous active users who handle billions of proxy requests daily. You'll collaborate with a highly autonomous team using a modern tech stack that includes React 19 and TypeScript, focusing on balancing new feature development, experimentation, and technical enhancements.
Become a vital part of the Incogni engineering team as we embark on a mission to develop a cutting-edge backend system that efficiently powers our innovative products, Incogni and Ironwall, at scale. We are in search of a seasoned backend engineer who excels in systems thinking, designs with scalability in mind, and thrives in a multi-technology environment.Our goal is to create a robust, secure, and dependable service platform that not only accommodates rapid business growth but also adapts to the evolving needs of our products. You will be engaged in designing and developing core application systems and service architectures that form the backbone of our platform.
Join a leader in online security.Are you a problem solver with a passion for technology? Become part of the innovative team at Nord Security, the creators of the world’s fastest VPN, Threat Protection Pro, and the NordLynx protocol. We empower individuals with tools that prioritize privacy, security, and control over their online presence.Your Role: Contribute to a mission that helps millions regain control over their online security, privacy, and data.As a member of the Nord Checkout team, you will play a crucial role in developing and maintaining essential services that facilitate the final step of the user purchase journey. Your responsibilities will include scaling services and implementing new features to ensure a secure, efficient, and enjoyable user experience. Additionally, you will support other teams by providing access to vital user purchase data.
Join Saily, where we're revolutionizing connectivity for travelers. Say goodbye to roaming fees and cumbersome SIM cards; enjoy fast and secure mobile data in over 200 destinations. With millions of satisfied customers and countless travelers using Saily simultaneously, we are committed to enhancing the travel experience.At Saily, we cultivate an AI-native Product Engineering culture that empowers our engineers to take ownership from concept to deployment:Engineers are builders, addressing customer challenges comprehensively.AI Agents facilitate code generation and automate repetitive tasks, allowing engineers to focus on impactful work.Everyone is encouraged to contribute ideas that enhance Saily’s effectiveness by leveraging AI.We emphasize curiosity, continuous learning, and knowledge sharing.Our primary focus remains on providing customers with a seamless, connected travel experience.We value growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower intelligent individuals with the context, autonomy, and AI tools to excel in their roles.
Join our dynamic team at Tietoevry Care as a Senior Cloud Engineer, where you will be at the forefront of cloud technology innovation. In this role, you will design, implement, and maintain cloud solutions that enhance our service offerings and drive operational efficiency.Your expertise will be vital in collaborating with cross-functional teams to ensure seamless integration and deployment of cloud applications. You will have the opportunity to work with cutting-edge technologies and contribute to projects that impact healthcare services positively.
Join the innovative team at nordsec as a Senior Mobile Engineer. In this pivotal role, you will design, develop, and maintain high-quality mobile applications for both iOS and Android platforms. You will collaborate with cross-functional teams to deliver seamless user experiences and cutting-edge features that enhance our product offerings.As a Senior Mobile Engineer, you will be responsible for implementing best practices in mobile development, ensuring code quality through reviews and testing, and mentoring junior engineers. Your expertise will contribute to the overall success and growth of our mobile applications.
Full-time|On-site|Vilnius, Vilnius City Municipality, Lithuania
Are you ready to take your embedded Linux development skills to the next level? Join our dynamic team at Teltonika in Vilnius or Kaunas, Lithuania, where you'll have the opportunity to work with cutting-edge networking solutions that are transforming industries worldwide. This is your chance to enhance your expertise while contributing to impactful projects.At Teltonika, our Networking Solutions Business Unit is dedicated to creating and manufacturing high-quality industrial and enterprise connectivity equipment, including routers, switches, gateways, and modems. Our devices are utilized in the most challenging sectors such as Industry 4.0, Smart City initiatives, and Green Energy solutions.As a Mid/Senior Embedded Linux Software Engineer, your responsibilities will include:Developing innovative software for IoT devices.Tackling complex technical challenges.Analyzing and implementing new technologies.Collaborating with hardware components.Contributing as a key player in a collaborative team environment.Providing essential technical support to colleagues.To succeed in this role, we expect you to have:At least 2 years of experience in software development for embedded devices, preferably Linux-based.2+ years of proficiency in C programming.2+ years of experience with Linux OS (Buildroot/Yocto).A strong track record of solving complex software and hardware issues.A solid understanding of operating system principles.Knowledge of computer networking fundamentals.Ideally, you will also possess:Experience with various embedded processors (SoCs/microcontrollers).Familiarity with electronics and lab equipment (oscilloscope, logic analyzer, etc.).Experience in shell programming.Knowledge of communication protocols such as UART, SPI, I2C, USB.Experience with wireless technologies like WiFi and Bluetooth.Experience developing Linux drivers and bootloaders.Experience with the OpenWRT operating system.Awareness of cybersecurity principles.Good command of the English language.We offer you:A vibrant work environment with opportunities for professional growth in a rapidly expanding company.Engaging and challenging projects focused on industrial networking devices.A culture that promotes collaboration and a dynamic work atmosphere.Flexible work schedules and comprehensive health insurance to support your well-being.Company-sponsored sports activities (basketball, football, volleyball, yoga) and other events.Celebrations for achievements, team-building activities, summer festivals, and special occasions.An attractive bonus structure for participation in our employee recommendation program.Birthday and Christmas gifts, along with rewards for work anniversaries.Office snacks to keep you energized!
Join the forefront of privacy and security technology.Are you a passionate problem-solver looking to make an impact? Become a vital part of our team at Nord Security, where we develop cutting-edge tools such as Threat Protection Pro and the NordLynx protocol, leading the way in VPN technology.Your role? Empower millions around the globe to reclaim their online security, privacy, and data integrity.Key ResponsibilitiesCrafting well-structured test cases and automating tests to uncover product issues related to feature implementation, behavior, and performance;Taking charge of the test automation process throughout release cycles;Conducting smoke and regression testing;Enhancing testing strategies for better outcomes;Collaborating with the development team during feature planning and estimation;Ensuring the product maintains high quality and is ready for deployment.Essential QualificationsA minimum of 3 years’ experience in software testing automation, with a solid understanding of OOP principles (C# is a plus);Proficiency in designing and automating test cases, along with familiarity with various testing techniques;Experience in smoke and regression testing, taking responsibility for automation during releases, including test maintenance;Ability to foresee potential bugs during feature planning;Detail-oriented, effective communicator who collaborates well within a team;Experience in automated testing of desktop applications would be a significant advantage.Tools You'll UtilizeFamiliarity with source control systems like Git;Experience with testing frameworks (Bonus: WinAppDriver, FlaUI, NUnit);CI/CD integration with GitLab, GitHub, or Jenkins;Proficiency in Visual Studio and related tools.
Join Nord Security and Shape a Safer Cyber Future!At Nord Security, we empower individuals and organizations to regain control over their online security, privacy, and data. Our innovative solutions, ranging from VPNs and password managers to threat intelligence and eSIMs for travel, are designed to simplify complex challenges and are trusted by millions globally.In this pivotal role, you'll enable users to confidently navigate their online experiences.Key ResponsibilitiesPerform penetration testing on web and backend applications, networking components, and crypto services—whether it’s white, grey, or black box testing, we want your expertise!Utilize your reverse engineering skills to identify vulnerabilities during code reviews of cutting-edge security solutions.Design and develop solutions to address complex security challenges from the ground up.Create scripts and security automation tools to improve penetration testing processes.Collaborate closely with web and backend developers, and other tech enthusiasts, to validate, assess, and understand vulnerabilities, working towards effective mitigation strategies.Share your security knowledge with hundreds of colleagues!Core QualificationsExtensive experience in conducting application security assessments, encompassing planning, testing, and vulnerability reporting.Proficient in using security scanners, static code analyzers, and debugging tools.Solid understanding of networking and cryptographic principles, including TLS, PFS, PKI, and digital certificates.Proven ability to perform manual security code audits.Prior experience with fuzzing, reverse engineering, and exploit development.Experience in collaborating with application developers to validate, assess, and mitigate vulnerabilities effectively.Strong knowledge of application and infrastructure testing methodologies.Familiarity with secure architecture design and assessment, particularly manual penetration testing.Bonus points for contributions to the security community!
Join Nord Security as a Low-Level Engineer specializing in server-side development. We are seeking a talented mid-senior level engineer to contribute to our innovative projects. In this role, you will be responsible for building and optimizing backend systems that support our world-class VPN services.The ideal candidate will have a strong understanding of lo…
Join NordLayer, where we are revolutionizing cybersecurity solutions that grow with your business.Our adaptable platform empowers modern teams to excel without the burden of security concerns. Trusted by over 11,000 companies worldwide, NordLayer seamlessly integrates into any technology stack, ensuring user protection across borders.Your Role: Play a pivotal part in helping businesses maintain robust security while advancing with innovative network protection.At NordVPN, we manage a global edge infrastructure that serves millions of users. This position is designed to address the challenge of gaining real-time insights into our infrastructure's performance at scale, while minimizing operational noise.We are seeking a Senior Site Reliability Engineer (SRE) with a focus on observability: your responsibilities will include designing monitoring systems, enhancing signal quality, alleviating alert fatigue, and collaborating with data teams for anomaly detection. You will take ownership of our understanding of the health and performance of our distributed systems.Key ResponsibilitiesDevelop, construct, and refine monitoring pipelines and observability tools across a globally distributed infrastructure.Establish and execute service-level monitoring strategies based on key performance indicators (latency, traffic, errors, saturation).Mitigate alert fatigue by creating actionable alerts that engineers can rely on.Create and manage custom exporters, scripts, and integrations for metrics and log collection.Work alongside the data team on anomaly detection and data-driven operational insights.Comprehend service signals—understand what metrics to track, their significance, and their interpretations.Core RequirementsExperience in distributed systems observability, including monitoring architecture, signal design, and dashboarding.Proficiency in golden signal methodology—designing monitoring processes that focus on what truly matters rather than what is easy to measure.Expertise in alert design—reducing noise, creating actionable alerts, and managing on-call responsibilities.Strong Python skills for scripting, custom exporter development, automation, and data processing.Linux administration and troubleshooting capabilities.
Join our dynamic R&D team at devexperts as a Backend Engineer. We are seeking a skilled professional who is passionate about building scalable and efficient backend applications. You will collaborate with cross-functional teams to design and implement innovative solutions that drive our products forward.
Join the forefront of internet privacy and security with NordVPN.Are you a proactive problem-solver looking to make a significant impact? Become a vital part of the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN globally—innovative tools designed to restore privacy, security, and user control.Your contribution? Empowering millions to regain control over their online security, privacy, and personal data.At NordVPN, we operate a globally distributed VPN and DNS infrastructure that serves millions of users. Your role will encompass deploying, managing, and enhancing VPN nodes worldwide, ensuring every client connection is optimized for speed, stability, and security.You will collaborate closely with application teams to ensure seamless client connectivity from end to end. Quality and reliability are paramount in this role.Key ResponsibilitiesDeploy and manage a globally distributed VPN and DNS infrastructureEnsure optimal connection quality, stability, and performance across all nodesCollaborate with application teams to enhance client connectivity and protocol performanceOptimize VPN service performance through kernel tuning, flamechart analysis, and profilingManage security measures including firewalls, PKI, certificate lifecycle, and hardeningOversee authentication and authorization frameworksTake ownership of configuration management and automated infrastructure provisioningCommunicate incidents clearly and lead postmortem analysesCore QualificationsManage critical VPN services from architecture to monitoring, ensuring scalability and securityDeliver on OKRs and key commitments within set timelinesDraft RFCs/ADRs for new features and refactoring effortsEnhance engineering quality through design reviews, knowledge sharing, and mentorshipBalance reliability, security, and delivery speed with sound operational judgment
Join NordProtect as a Backend Engineer and be part of a dynamic team dedicated to building robust, scalable backend systems using Go programming. As a key player in our development team, you will contribute to enhancing our security solutions and optimizing performance. Collaborate with cross-functional teams to deliver high-quality features that meet our customers' needs.
Join Saily, where we revolutionize mobile connectivity while traveling — no more roaming fees or plastic SIM cards. Experience lightning-fast, secure mobile data in over 200 destinations. With millions of paying customers and countless travelers engaging with Saily at any moment, we are dedicated to building the optimal product for our users.At Saily, we cultivate an AI-native Product Engineering culture, where:The Engineer is a builder, responsible for solving customer problems from ideation to production.AI Agents assist by automating repetitive tasks, empowering Engineers to maximize their impact.Every team member is encouraged to propose improvements and implement changes collaboratively.Curiosity, learning, and sharing knowledge are fundamental to our ethos.Customer satisfaction and a seamless travel experience are always our top priorities.We prioritize growth over comfort, contribution over hierarchy, and impact over processes. At Saily, we offer talented individuals the context, autonomy, and AI tools they need to excel in their work.
Join the dynamic team at SumUp, where the Global Bank tribe is dedicated to building robust infrastructure and essential services that empower merchants with digital business accounts, simplifying banking for millions of small enterprises. The Transfers Gateway squad plays a crucial role by connecting SumUp’s internal systems to external financial networks across the EU and the UK. We are responsible for the services that facilitate daily money movement through various payment schemes. Our team oversees the complete integration process and manages production services that handle real transactions at scale. You will be instrumental in modernizing legacy systems while ensuring reliability, accuracy, and adaptability, making architectural choices that directly impact uptime and enhance the merchant experience across diverse markets. Our tech stack comprises Go, AWS, Kafka, PostgreSQL, and Kubernetes, reinforced by a comprehensive observability toolchain including Prometheus, Grafana, and Honeycomb. We leverage AI-assisted development tools such as Cursor and GitHub Copilot to enhance our workflows. At SumUp, we foster an engineering culture rooted in ownership. We operate on a “build it, run it, improve it” philosophy, emphasizing strong observability and continuous learning. Engineers enjoy clear responsibilities and autonomy, with decisions documented and made collaboratively. The Vilnius team is integral to the Global Bank domain, managing production systems, influencing technical direction, and collaborating with colleagues across SumUp’s global offices to enhance critical merchant banking capabilities. Be a part of our Vilnius Team today! (Vilnius office)
Join Saily, where we simplify staying connected while traveling. With no roaming fees or plastic SIM cards, we provide fast and secure mobile data in over 200 destinations. Saily boasts millions of paying customers and hundreds of thousands of travelers exploring our services at any time.To create the best possible product for our users, we cultivate an AI-native Product Engineering culture where:The Engineer acts as the builder, responsible for solving customer problems from conception to production.AI Agents assist by automating repetitive tasks, enabling Engineers to focus on impactful work.Team members are encouraged to propose improvements and implement changes to enhance Saily's effectiveness.A culture of curiosity, learning, and knowledge sharing is embraced by all.We remain focused on ensuring a comfortable and hassle-free journey for our customers.We prioritize growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower talented individuals with context, autonomy, and AI as their multiplier, allowing them to produce their best work.
Join the forefront of digital privacy with us!As part of the innovative team behind Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN, you will empower millions of users to reclaim their online security, privacy, and control.Your role: You will be integral in developing robust components across multiple platforms, such as Windows, Linux, Android, and Apple.Main Responsibilities:Craft clean, maintainable, and efficient code using Rust.Tackle complex challenges in security, performance, privacy, and networking at scale.Adhere to clean code principles and the highest industry standards.Collaborate with Low-Level Team members to produce secure, high-performance software solutions.Engage and contribute to the open source community surrounding the libtelio library.Ensure code quality by leaving it in a better state than you found it.
Join our dynamic team at Nordsec as a Mid-Senior DevOps Engineer. In this role, you will play a pivotal part in enhancing our deployment processes, working collaboratively to optimize our infrastructure and automate workflows. You will have the opportunity to engage with cutting-edge technologies while driving efficiency and stability across our systems.
Join SumUp's Global Bank tribe, where we are dedicated to creating the essential infrastructure and core services that will empower our merchants with a digital banking experience tailored for their success. Our mission is to be the preferred banking partner for small merchants worldwide by delivering a banking experience that is effortless, straightforward, and cost-effective. As a member of the Global Bank tribe, you will play a significant role in developing SumUp's digital bank. Collaborate with a diverse, autonomous team from 32 different nationalities across cities like Cologne, Berlin, São Paulo, Sofia, London, and Vilnius, all committed to taking ownership, working with purpose, and supporting the growth of small businesses. In your capacity as a Senior Backend Engineer, you will be instrumental in transitioning from localized setups with regional banks to a unified Global Bank. This will involve tackling the challenges associated with migrating to a fully distributed, event-driven architecture. Our technology stack comprises Go, AWS, Kafka, PostgreSQL, and Kubernetes, complemented by a robust observability toolchain featuring Prometheus, Grafana, and Honeycomb. We also leverage AI-assisted development tools such as Cursor and GitHub Copilot. At SumUp, our engineering culture emphasizes ownership. We adhere to a “build it, run it, improve it” philosophy, ensuring strong observability and a commitment to continuous learning. Engineers enjoy a clear scope of work and autonomy, with decisions made collaboratively and documented thoroughly. The Vilnius team is integral to the Global Bank domain, overseeing production systems, shaping technical direction, and collaborating closely with colleagues across SumUp’s global offices on critical merchant banking capabilities. Join our Vilnius Team today! (Vilnius office)
Join our dynamic team of over 500 skilled professionals dedicated to developing innovative proxy and web data scraping solutions for a vast array of esteemed clients, including Fortune 500 companies.What Awaits You:As a key contributor, you'll tackle intricate challenges while managing our robust infrastructure, which boasts a staggering 60PB+ of monthly data traffic. Here are some impressive metrics that highlight our scale:- 6PB+ of Ceph storage- 60PB+ of monthly data traffic through our systems- Over 300k service requests processed per second- More than 500k Kafka messages streamed per secondRole Overview:In this position, you will design and enhance the customer-facing dashboard that underpins Webshare's proxy infrastructure. Our Next.js application supports numerous active users who handle billions of proxy requests daily. You'll collaborate with a highly autonomous team using a modern tech stack that includes React 19 and TypeScript, focusing on balancing new feature development, experimentation, and technical enhancements.
Become a vital part of the Incogni engineering team as we embark on a mission to develop a cutting-edge backend system that efficiently powers our innovative products, Incogni and Ironwall, at scale. We are in search of a seasoned backend engineer who excels in systems thinking, designs with scalability in mind, and thrives in a multi-technology environment.Our goal is to create a robust, secure, and dependable service platform that not only accommodates rapid business growth but also adapts to the evolving needs of our products. You will be engaged in designing and developing core application systems and service architectures that form the backbone of our platform.
Join a leader in online security.Are you a problem solver with a passion for technology? Become part of the innovative team at Nord Security, the creators of the world’s fastest VPN, Threat Protection Pro, and the NordLynx protocol. We empower individuals with tools that prioritize privacy, security, and control over their online presence.Your Role: Contribute to a mission that helps millions regain control over their online security, privacy, and data.As a member of the Nord Checkout team, you will play a crucial role in developing and maintaining essential services that facilitate the final step of the user purchase journey. Your responsibilities will include scaling services and implementing new features to ensure a secure, efficient, and enjoyable user experience. Additionally, you will support other teams by providing access to vital user purchase data.
Join Saily, where we're revolutionizing connectivity for travelers. Say goodbye to roaming fees and cumbersome SIM cards; enjoy fast and secure mobile data in over 200 destinations. With millions of satisfied customers and countless travelers using Saily simultaneously, we are committed to enhancing the travel experience.At Saily, we cultivate an AI-native Product Engineering culture that empowers our engineers to take ownership from concept to deployment:Engineers are builders, addressing customer challenges comprehensively.AI Agents facilitate code generation and automate repetitive tasks, allowing engineers to focus on impactful work.Everyone is encouraged to contribute ideas that enhance Saily’s effectiveness by leveraging AI.We emphasize curiosity, continuous learning, and knowledge sharing.Our primary focus remains on providing customers with a seamless, connected travel experience.We value growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower intelligent individuals with the context, autonomy, and AI tools to excel in their roles.
Join our dynamic team at Tietoevry Care as a Senior Cloud Engineer, where you will be at the forefront of cloud technology innovation. In this role, you will design, implement, and maintain cloud solutions that enhance our service offerings and drive operational efficiency.Your expertise will be vital in collaborating with cross-functional teams to ensure seamless integration and deployment of cloud applications. You will have the opportunity to work with cutting-edge technologies and contribute to projects that impact healthcare services positively.
Join the innovative team at nordsec as a Senior Mobile Engineer. In this pivotal role, you will design, develop, and maintain high-quality mobile applications for both iOS and Android platforms. You will collaborate with cross-functional teams to deliver seamless user experiences and cutting-edge features that enhance our product offerings.As a Senior Mobile Engineer, you will be responsible for implementing best practices in mobile development, ensuring code quality through reviews and testing, and mentoring junior engineers. Your expertise will contribute to the overall success and growth of our mobile applications.
Full-time|On-site|Vilnius, Vilnius City Municipality, Lithuania
Are you ready to take your embedded Linux development skills to the next level? Join our dynamic team at Teltonika in Vilnius or Kaunas, Lithuania, where you'll have the opportunity to work with cutting-edge networking solutions that are transforming industries worldwide. This is your chance to enhance your expertise while contributing to impactful projects.At Teltonika, our Networking Solutions Business Unit is dedicated to creating and manufacturing high-quality industrial and enterprise connectivity equipment, including routers, switches, gateways, and modems. Our devices are utilized in the most challenging sectors such as Industry 4.0, Smart City initiatives, and Green Energy solutions.As a Mid/Senior Embedded Linux Software Engineer, your responsibilities will include:Developing innovative software for IoT devices.Tackling complex technical challenges.Analyzing and implementing new technologies.Collaborating with hardware components.Contributing as a key player in a collaborative team environment.Providing essential technical support to colleagues.To succeed in this role, we expect you to have:At least 2 years of experience in software development for embedded devices, preferably Linux-based.2+ years of proficiency in C programming.2+ years of experience with Linux OS (Buildroot/Yocto).A strong track record of solving complex software and hardware issues.A solid understanding of operating system principles.Knowledge of computer networking fundamentals.Ideally, you will also possess:Experience with various embedded processors (SoCs/microcontrollers).Familiarity with electronics and lab equipment (oscilloscope, logic analyzer, etc.).Experience in shell programming.Knowledge of communication protocols such as UART, SPI, I2C, USB.Experience with wireless technologies like WiFi and Bluetooth.Experience developing Linux drivers and bootloaders.Experience with the OpenWRT operating system.Awareness of cybersecurity principles.Good command of the English language.We offer you:A vibrant work environment with opportunities for professional growth in a rapidly expanding company.Engaging and challenging projects focused on industrial networking devices.A culture that promotes collaboration and a dynamic work atmosphere.Flexible work schedules and comprehensive health insurance to support your well-being.Company-sponsored sports activities (basketball, football, volleyball, yoga) and other events.Celebrations for achievements, team-building activities, summer festivals, and special occasions.An attractive bonus structure for participation in our employee recommendation program.Birthday and Christmas gifts, along with rewards for work anniversaries.Office snacks to keep you energized!
Join the forefront of privacy and security technology.Are you a passionate problem-solver looking to make an impact? Become a vital part of our team at Nord Security, where we develop cutting-edge tools such as Threat Protection Pro and the NordLynx protocol, leading the way in VPN technology.Your role? Empower millions around the globe to reclaim their online security, privacy, and data integrity.Key ResponsibilitiesCrafting well-structured test cases and automating tests to uncover product issues related to feature implementation, behavior, and performance;Taking charge of the test automation process throughout release cycles;Conducting smoke and regression testing;Enhancing testing strategies for better outcomes;Collaborating with the development team during feature planning and estimation;Ensuring the product maintains high quality and is ready for deployment.Essential QualificationsA minimum of 3 years’ experience in software testing automation, with a solid understanding of OOP principles (C# is a plus);Proficiency in designing and automating test cases, along with familiarity with various testing techniques;Experience in smoke and regression testing, taking responsibility for automation during releases, including test maintenance;Ability to foresee potential bugs during feature planning;Detail-oriented, effective communicator who collaborates well within a team;Experience in automated testing of desktop applications would be a significant advantage.Tools You'll UtilizeFamiliarity with source control systems like Git;Experience with testing frameworks (Bonus: WinAppDriver, FlaUI, NUnit);CI/CD integration with GitLab, GitHub, or Jenkins;Proficiency in Visual Studio and related tools.
Join Nord Security and Shape a Safer Cyber Future!At Nord Security, we empower individuals and organizations to regain control over their online security, privacy, and data. Our innovative solutions, ranging from VPNs and password managers to threat intelligence and eSIMs for travel, are designed to simplify complex challenges and are trusted by millions globally.In this pivotal role, you'll enable users to confidently navigate their online experiences.Key ResponsibilitiesPerform penetration testing on web and backend applications, networking components, and crypto services—whether it’s white, grey, or black box testing, we want your expertise!Utilize your reverse engineering skills to identify vulnerabilities during code reviews of cutting-edge security solutions.Design and develop solutions to address complex security challenges from the ground up.Create scripts and security automation tools to improve penetration testing processes.Collaborate closely with web and backend developers, and other tech enthusiasts, to validate, assess, and understand vulnerabilities, working towards effective mitigation strategies.Share your security knowledge with hundreds of colleagues!Core QualificationsExtensive experience in conducting application security assessments, encompassing planning, testing, and vulnerability reporting.Proficient in using security scanners, static code analyzers, and debugging tools.Solid understanding of networking and cryptographic principles, including TLS, PFS, PKI, and digital certificates.Proven ability to perform manual security code audits.Prior experience with fuzzing, reverse engineering, and exploit development.Experience in collaborating with application developers to validate, assess, and mitigate vulnerabilities effectively.Strong knowledge of application and infrastructure testing methodologies.Familiarity with secure architecture design and assessment, particularly manual penetration testing.Bonus points for contributions to the security community!
