Senior Frontend Engineer | React | Network Security

Join NordLayer, where we are revolutionizing cybersecurity for businesses of all sizes.We offer a flexible, toggle-ready platform that empowers modern teams to operate securely and efficiently, free from cybersecurity concerns. With over 11,000 satisfied clients worldwide, NordLayer seamlessly integrates into any tech stack, providing robust protection for u…

Join the Vanguard of Online Security with NordVPN.Are you a proactive problem-solver eager to forge your own path? Become a key player in the innovative team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN available. Our tools empower individuals to reclaim their privacy, security, and control in the digital landscape.Your Contribution: You will play an essential role in aiding millions in regaining their online security, privacy, and data autonomy.As part of the Android team, you will work on critical features such as Call and SMS protection, Meshnet, secure payments, and cohesive design systems that enhance the NordVPN experience for millions of daily users.Your mission involves tackling real-world challenges: protecting users from authentic threats and pushing the boundaries of what a modern security application can achieve. If you thrive on curiosity and significant challenges, we invite you to apply your skills here.Key ResponsibilitiesCollaborate as a vital team member in the development of NordVPN for Android.Engage with our existing backend REST APIs, providing feedback tailored to mobile requirements while working alongside web, backend, and low-level teams to innovate new features and improve existing ones.Coordinate with Product Owners and the QA/Support team to uphold high-quality standards for our Android applications.Identify and resolve issues reported by users and internal testing teams.Be part of a diverse development team comprising Kotlin engineers and QA specialists.Keep abreast of the latest tools, patterns, and methodologies to ensure superior code quality—it’s all about the code!Essential QualificationsMinimum of 1 year of experience in Android development.Proficient in Kotlin, MVVM Clean architecture, Room or SQLite databases, and reactive programming libraries like Coroutines and RxJava.Familiarity with the latest trends and libraries in the Android ecosystem, including Jetpack Compose and Hilt.

Join the forefront of online security!At Nord Security, we are redefining the landscape of online privacy and security. Our team is behind remarkable innovations like Threat Protection Pro and the NordLynx protocol, making us the creators of one of the fastest VPNs globally. If you are a proactive problem-solver who thrives on innovation, we invite you to be part of our mission to empower millions with security, privacy, and control over their online presence.Your Role: Play a crucial part in enabling users to reclaim their online safety and privacy.Our flagship product, NordVPN Threat Protection, goes beyond traditional VPN functionality. It safeguards users from scams, phishing, and other malicious threats, enhancing their privacy and delivering an ad-free browsing experience.Key Responsibilities:Collaborate closely with the Threat Protection development team to design and automate the infrastructure for our innovative product.Create scripts to optimize and maintain automated code delivery and release pipelines utilizing Docker, Gitlab CI, and AWS.Assist in developing frameworks for automated unit, integration, and end-to-end tests while establishing various virtual testing environments/services.Architect and oversee infrastructure for a multi-tenant distributed environment.Support the migration of services to and within cloud ecosystems (S3, EC2, EMR, Kubernetes).Ensure the application of best practices regarding security, availability, and observability of the infrastructure.Qualifications:Proven experience as a DevOps, System, or Infrastructure Engineer or in a comparable engineering role.Strong proficiency in Linux systems and tools; familiarity with Windows administration is a plus.Experience with Git and Git workflows.Proficiency in scripting languages (e.g., Shell, Bash, Python).Hands-on experience with CI/CD principles and a good understanding of build systems and related tools (preferably Make, CMake, Conan, Ninja).Solid understanding of software composition principles including compilation, linking, and loading.

Role Overview Ignitis Group is hiring a Senior Data Engineer in Vilnius. This position focuses on shaping data architecture and analytics strategies for the organization. The role calls for someone ready to drive data-informed decision-making at scale. What You Will Do Design and build data pipelines that support business needs Maintain data integrity and ensure reliable access to information Work closely with teams across the company to deliver insights that support operational improvements Impact Your work will help Ignitis Group use data more effectively to improve services and boost efficiency.

Join a Leading Health App with 500M+ Downloads!At Flo, we are proud to be the world’s premier health and fitness application, dedicated to enhancing female health and wellbeing. With over 80 million active users monthly and a groundbreaking $1B valuation reached in 2024, we are on an exciting journey fueled by a $200M investment from General Atlantic. Our commitment to providing an AI-powered, privacy-first, clinically backed experience empowers our users to understand their bodies better.About the RoleYour Responsibilities:Lead and expand a team of 5+ engineers, aligning their efforts with our product vision.Collaborate closely with the development team and Product Manager to deliver business value promptly while enhancing our quality metrics.Oversee the technical aspects of product development.Implement optimal development processes and principles for the team.Coach your team in engineering best practices across UI standards, CI/CD, API design, and Secure SDLC.Recruit and onboard new talent, conduct training sessions, and support career development for team members.Address or escalate issues as necessary, ensuring effective teamwork.Foster collaboration with other teams, managing technical and organizational dependencies.Promote a transparent work environment through timely and constructive feedback.

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.

At Surfshark, we strive to provide our users with an unparalleled experience through our product. This commitment requires vigilance in identifying and resolving any bugs that may disrupt user satisfaction. We believe that collaborative efforts from analytical and creative thinkers lead to fewer bugs and a smoother experience for everyone. Our dedicated QA team employs a diverse range of tools and technologies to combat these issues. We utilize various devices and virtual environments for comprehensive app testing, alongside an array of browsers and extensions for front-end evaluations. For functional test automation, we leverage TypeScript, and tools like Postman and Charles Proxy enable us to dive deeper into our applications. Are you ready to join us in this ongoing battle against bugs?

Join Nord Security in Shaping a Safer Cyber Future!At Nord Security, we empower individuals and organizations to reclaim control over their online security, privacy, and data. Our innovative solutions range from VPNs and password managers to threat intelligence and eSIMs for seamless travel. Our dedicated teams tackle complex cybersecurity challenges, providing solutions trusted by millions around the globe.As a part of our team, you’ll play a crucial role in helping users take ownership of their digital lives.

We are on the lookout for a talented Senior Data Engineer to join our dynamic Data Engineering Team. In this role, you will play a crucial part in developing cutting-edge data solutions on the cloud-based Microsoft Fabric platform. Utilizing advanced data analytics, you will help drive our global competitive edge in the energy sector, working with diverse datasets ranging from sales and finance to technical metrics and smart metering solutions. If you're passionate about making a significant impact in the energy landscape, we would love to have you on our team!Be a key player in creating a sustainable and secure energy ecosystem:Design and maintain robust, scalable data pipelines using Python, Airflow, and Microsoft Fabric.Seamlessly integrate data from over 50 sources, including on-premises, cloud, and APIs, into a cohesive data platform.Craft and enhance lakehouse/warehouse models, data structures, and transformation layers.Ensure data integrity, observability, security, and compliance throughout our pipelines and storage solutions.Lead the end-to-end technical design process, from gathering requirements to successful production deployment.Guarantee adherence to data quality, security protocols, and compliance with both organizational and regulatory standards.

We are looking for a dynamic Java Software Engineer to join our passionate engineering team at scale3c. If you are driven by a desire to innovate and eager to contribute to your professional growth, we want to hear from you!

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 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 Saily, where we are revolutionizing mobile connectivity for travelers. Say goodbye to roaming fees and plastic SIM cards, and hello to secure, high-speed mobile data across 200+ global destinations. With millions of satisfied customers and countless travelers using our services every day, we are dedicated to providing the best mobile experience.At Saily, we cultivate an AI-native Product Engineering culture that empowers our engineers to take ownership of projects from conception to deployment. Here, engineers are builders, leveraging AI agents to streamline their workflows and enhance productivity. We prioritize continuous improvement, innovation, and a customer-centric approach in every aspect of our work.In our dynamic environment, we value growth over comfort, contribution over hierarchy, and impact over process. We empower our talented team members with context, autonomy, and AI as an enabler, allowing them to excel in their roles.Key ResponsibilitiesCollaborate with cross-functional teams to develop and enhance features for our Android app, ensuring seamless integration with existing backend REST APIs.Provide insights based on mobile user needs, working closely with UX, web, and backend teams to improve existing functionalities.Debug and resolve issues reported by users and internal testing teams, maintaining high standards of quality.Contribute to a growing development team of Kotlin engineers and QA professionals.Stay informed about the latest tools and methodologies to ensure top-notch code quality.Lead the integration of AI technologies across our mobile platform, optimizing workflows and project structures.

About the Role Wix Data is looking for a Senior DevOps Engineer based in Vilnius. This position focuses on improving cloud infrastructure and optimizing deployment workflows. The role involves close collaboration with teams across the company to keep services efficient and reliable. What You’ll Do Enhance and maintain cloud infrastructure for Wix Data. Streamline deployment processes to support frequent, reliable releases. Work with engineers and other teams to ensure service stability and performance. Location This role is based in Vilnius.

Role Overview Unity Technologies seeks a Quality Engineer - Graphics to join the Platform Graphics team in Vilnius, Lithuania. This role centers on improving graphics quality and performance across a range of mobile devices and specialized hardware. What You Will Do Work closely with senior engineers, QA, and developers to identify, investigate, and resolve bugs in Unity's graphics features. Conduct thorough testing to ensure graphics features perform well on multiple platforms. Help deliver strong graphics experiences for end users by maintaining high standards for quality and performance. Growth and Collaboration This position offers the chance to learn directly from experienced engineers and deepen your skills in real-time 3D graphics. The Platform Graphics team values collaboration and knowledge sharing as part of their daily work.

Nord Security’s B2B team develops cybersecurity products to help organizations protect their data and daily operations. The Apps Team combines expertise from product development, engineering, sales, marketing, and data to deliver secure, scalable solutions trusted by clients worldwide. As a Senior Automation QA Engineer on the Apps Team, your work will support companies in safeguarding their people, systems, and sensitive information. Role overview Design and implement test automation frameworks from the ground up. Create and maintain automated test suites that cover multiple platforms. Identify software defects and collaborate with developers to address them. Work closely with product managers, developers, and fellow QA engineers to ensure high product quality. Requirements Experience building and maintaining native testing solutions. Strong skills in JavaScript and TypeScript. Understanding of native application development. Advanced knowledge of Appium and related automation tools. Comfortable using AI coding tools, with a focus on code quality and architecture. Keen attention to detail. Proactive, with an ownership mindset and ability to start projects independently. Clear and direct communication skills, both spoken and written. Compensation Gross monthly salary: 4300 - 5800 EUR Benefits Collaborate with global experts to build cybersecurity tools used by millions. Continuous learning and skill development through challenging projects. Location: Vilnius

Join Saily as we revolutionize mobile connectivity for travelers! With Saily, you can enjoy seamless mobile data across 200+ destinations without the hassle of roaming fees or plastic SIM cards. Our customer base includes millions of satisfied users and countless travelers browsing our services every day.At Saily, we nurture an AI-driven Product Engineering culture where:The Engineer is empowered to take ownership of projects from ideation to production.AI Agents assist by handling routine tasks, allowing Engineers to focus on impactful work.Everyone is encouraged to proactively suggest improvements and implement them.Curiosity and knowledge sharing are integral to our team dynamics.Our primary goal is to ensure a comfortable and hassle-free journey for our customers.We prioritize growth, contribution, and impact in our workplace. At Saily, we provide our talented team members with the context, autonomy, and AI tools necessary to excel in their roles.If you’re ready to kickstart your engineering career with meaningful work—rather than just exercises—apply to join Saily.We seek Interns who are clear thinkers, quick learners, and take initiative. Curiosity and discipline are essential traits we value.From day one, you will collaborate with a skilled team on real-world challenges, receive support when needed, and gain ownership as you prove your capabilities.Our pace is fast, we leverage AI regularly, and we focus on helping you establish solid engineering practices early in your career.This is a 3-month full-time paid internship. Demonstrate your value, perform well, and you may be offered a full-time position.If this sounds like the right opportunity for you, apply now!Main ResponsibilitiesDevelop small tools/features with guidance from the team.Collaborate with product managers, designers, and fellow engineers.Work within small, highly autonomous teams.Learn to utilize AI agents for specifications, coding, testing, and iterative development.Contribute to enhancing our internal agent network and development workflows.

Role Overview Nord Security is looking for a Mid-Level DevOps Engineer in Vilnius. This role focuses on improving infrastructure, supporting smooth deployments, and keeping systems stable. The position works closely with developers to refine CI/CD pipelines and automate operational tasks, helping to make software delivery more efficient and reliable.