Senior Software Engineer | React | UCP Team

Join Nord Security in our mission to create a safer cyber future.We empower individuals and businesses to reclaim their online security, privacy, and data. Our innovative solutions, ranging from VPNs and password managers to threat intelligence and travel eSIMs, are trusted by millions around the globe.In this pivotal role, you will play a crucial part in he…

At NFQ, we are proud to be the technology partner for HomeToGo, a leading marketplace boasting the world’s most extensive selection of vacation rentals. Our dedicated team of software engineers and data science experts is at the forefront of innovation, driving the development of a platform that connects travelers with millions of accommodation options across the globe.HomeToGo curates an incredible array of rental properties, ranging from cozy vacation homes and beach houses to luxurious apartments and unique stays like castles and farmhouses. With partnerships with trusted brands such as Booking.com, Vrbo, and TripAdvisor, we empower travelers to find their ideal getaway based on price, destination, amenities, and travel dates.Founded in 2014, HomeToGo operates localized applications and websites in 25 countries across Europe, North America, South America, Australia, and Asia-Pacific. We proudly manage several well-known brands including Agriturismo.it, AMIVAC, Casamundo, and many more.As a Software Engineer (PHP), you will play a critical role in expanding our payment ecosystem. This position is not just about executing predefined tasks; you will co-create the product, bridging intricate financial logic with a seamless user experience. Your expertise will help maintain a resilient architecture capable of handling high-volume global data.

Join the forefront of online security with Nord Security!Are you a proactive problem-solver with a passion for innovation? Become a vital member of the team that develops Threat Protection Pro, the NordLynx protocol, and the fastest VPN available today—empowering users to reclaim their privacy, security, and control online.Your Contributions: Enable millions to regain control over their online security, privacy, and data, making a significant impact in the cybersecurity landscape.Key ResponsibilitiesDesign, implement, and maintain data curation and ingestion services for the Threat Intelligence team.Collaborate to develop and implement sustainable architectural solutions, including distributed computing pipelines, microservices, and data flows.Participate actively in code reviews, share expertise, and ensure high standards of technical documentation.Create new services to enhance the quality of data feeds.Adhere to coding standards while delivering efficient, maintainable, and secure code (following DRY, SOLID, and KISS principles).Innovate continuously, proposing and discussing new ideas within the cybersecurity domain.Provide technical leadership and mentorship to team members.Essential QualificationsProficient in Python with a solid understanding of core concepts, syntax, and data structures.Experience in designing and implementing microservice architectures.Familiarity with data storage solutions such as PostgreSQL.Ability to write clean, maintainable code.Experience with cloud technologies, specifically Docker and Kubernetes.Strong analytical and problem-solving abilities to tackle complex issues effectively.Eager to learn rapidly and proactively identify and resolve problems.Detail-oriented with excellent organizational skills.

Join NordStellar, where we empower businesses to anticipate hacker insights before they strike.Become a part of our dedicated team that transforms threat intelligence into actionable strategies. From dark web surveillance to comprehensive attack surface management, we are crafting robust tools that security teams depend on to stay ahead of cyber threats.Your contribution? Assisting organizations in identifying weaknesses and thwarting cyber-attacks—ensuring safety for teams and customers alike.NordStellar is the latest innovation in our suite of advanced cybersecurity solutions. This pioneering threat exposure management platform is engineered to outmaneuver cyber threats, protect sensitive information, and combat fraud. NordStellar equips businesses with the resources necessary to outsmart hackers and safeguard their operations. Join us in creating technology that reveals what hackers are aware of regarding their targets.The Dark Web Monitoring Team is a mission-focused, interdisciplinary group dedicated to spotting emerging threats on the dark web and providing critical insights. This team emerged from Nord Security's Risk Management and Information Security departments and is currently focused on developing its own standalone cybersecurity offering, NordStellar. We leverage our expertise to empower proactive security leaders with essential insights: the intelligence hackers possess about their organizations. NordStellar enables companies to identify and react to cyber threats before they escalate. Our platform monitors numerous cybercrime communities and dark web sites, equipping cybersecurity teams with the vital information and tools needed for informed decision-making.

At Nord Security, we empower organizations to understand the insights hackers possess before an attack occurs.Become a part of our innovative team that transforms threat intelligence into actionable strategies. From monitoring the dark web to managing attack surfaces, we are crafting tools that security teams depend on to outpace potential threats.Your contribution? Assisting businesses in identifying vulnerabilities and thwarting cyber threats—ensuring safety for both teams and customers.NordStellar is the latest advancement in our suite of innovative cybersecurity solutions. This cutting-edge threat exposure management platform is engineered to outsmart cyber adversaries, protect sensitive data, and avert fraud. With NordStellar, businesses gain the capability to stay one step ahead of hackers and outmaneuver them effectively. Join us in developing technology that grants businesses the knowledge of what hackers are aware of.The Dark Web Monitoring Team is a dedicated, cross-functional group committed to identifying emerging threats from the dark web and delivering critical insights. Originating from Nord Security's Risk Management and Information Security departments, this team is now focused on developing its standalone cybersecurity product, NordStellar. Our expertise empowers proactive security leaders with vital insights into what hackers know about their organizations. NordStellar enables businesses to detect and respond to cyber threats proactively before they escalate. The platform keeps an eye on numerous cybercrime communities and dark web sites, equipping cybersecurity teams with accurate information and tools for informed decision-making.Main ResponsibilitiesDesign and implement back-end and ETL solutions for diverse challenges.Enhance the existing DWM system and introduce new features.Craft highly scalable microservices.Ensure the production of clear, tested, and documented code that adds genuine business value.Develop code suitable for cloud-native environments.Collaborate with your team to deliver quality code-based solutions.

Join NordStellar, where we empower organizations to anticipate and thwart cyber threats.Be a part of a team that transforms threat intelligence into actionable solutions. Our focus ranges from dark web surveillance to comprehensive attack surface management, equipping security teams with the tools necessary to stay one step ahead of cyber adversaries.Your contribution? You will play a vital role in helping organizations identify weaknesses and avert cyberattacks, ensuring the safety of both teams and customers.NordStellar represents the latest innovation in our suite of advanced cybersecurity solutions. This state-of-the-art threat exposure management platform is tailored to outsmart cybercriminals, protect sensitive data, and mitigate fraud. With NordStellar, organizations gain insights into what hackers understand about their operations, enabling them to proactively defend against potential threats.Our Dark Web Monitoring Team is a dedicated, cross-functional group focused on spotting emerging threats in the dark web and delivering critical insights. This team has evolved from Nord Security's Risk Management and Information Security departments, now dedicated to developing NordStellar as a standalone cybersecurity product. Our mission is to empower proactive security leaders with essential intelligence about their business's vulnerability to cyber threats. NordStellar monitors numerous cybercrime communities and dark web platforms, offering cybersecurity teams the information and tools necessary for informed decision-making.

Join Flo Health, the leading health and fitness app for women, as a Senior Backend Engineer. With over 500 million downloads and 80 million monthly users, we're on a mission to revolutionize female health. As part of our engineering team, you will build and enhance our backend systems, ensuring they are fast, reliable, and secure. Your work will directly impact the lives of millions of users, providing data-driven insights and privacy-first features. If you have a passion for solving complex problems and are eager to learn, we want to hear from you!

Join Oxylabs as an Engineering Manager for our Webshare team, where you will lead a group of talented engineers in the development and enhancement of our innovative web scraping solutions. Your leadership will be pivotal in driving projects from conception through to execution, ensuring that our services remain at the forefront of the industry.In this role, you will oversee the engineering process, mentor team members, and collaborate closely with cross-functional teams to deliver high-quality products that meet our clients' needs.

Join Hostinger as an Engineering Manager in the Payments sector and lead a team dedicated to revolutionizing payment solutions. In this role, you will oversee project execution, enhance payment infrastructure, and collaborate with cross-functional teams to optimize user experiences. Your leadership will guide engineers in developing innovative solutions that drive our business forward.

Join Saily, where we revolutionize mobile connectivity for travelers. Say goodbye to roaming fees and plastic SIM cards, and enjoy seamless, secure mobile data in over 200 destinations. With millions of paying customers and hundreds of thousands of travelers engaged on our platform at any moment, we are committed to providing an effortless experience.Our AI-native Product Engineering culture is designed to empower our team:The Engineer is the architect, owning challenges from conception to production.AI Agents enhance productivity by handling repetitive tasks, allowing Engineers to focus on impactful work.Your suggestions for improvement are valued and implemented to enhance our effectiveness.We prioritize curiosity, learning, and sharing knowledge among our team.Our guiding principle is to ensure the customer enjoys a comfortable and hassle-free journey.At Saily, we prioritize growth over comfort, contribution over hierarchy, and impact over process. We provide our talented team with the context, autonomy, and AI tools to excel in their work.

Join our dynamic team at nordsec as a Mid-Senior iOS Engineer, where you will have the opportunity to develop cutting-edge applications that enhance user experiences. You will collaborate with talented professionals in a fast-paced environment, contributing to innovative projects that shape the future of mobile technology.

Role Overview Ignitis Group is looking for an IT Test Engineer in Vilnius. This role focuses on maintaining and improving the quality of software solutions. The position involves close work with software developers and other team members to support strong application performance. What You Will Do Design and execute test plans for software applications Identify, document, and track software defects Collaborate with developers to resolve issues and improve performance Location Vilnius

Join the Omnisend Team!If you're looking for a workplace that values intelligence and collaboration over chaos and drama, Omnisend is the perfect fit for you. We pride ourselves on a culture where data drives our decisions, allowing us to focus on delivering impactful results without the distractions of micromanagement or excessive meetings. We believe in transparency, trust, and the power of feedback, fostering a professional environment where everyone contributes to our collective success. Our mission is customer-centric, and we are dedicated to solving real-world problems that help eCommerce brands flourish.The Expansion Product Team at Omnisend is pivotal in maintaining and enhancing the core systems that facilitate our business growth. This includes managing billing, pricing/monetization, and access scopes, ensuring our merchants have a seamless experience as they log in, upgrade plans, manage subscriptions, and obtain accurate invoices. In our Growth Value Stream, we focus on experimentation and efficiency, always looking for innovative ways to influence user behavior while maintaining a robust and scalable platform.We seek a Senior Full Stack Engineer with a strong preference for backend development, who is eager to take an active role in shaping and owning engineering solutions. The ideal candidate is self-motivated, brings thoughtful insights to discussions, challenges assumptions, and actively contributes to both technical and product decisions. You will work closely with product and engineering teams to build resilient systems and deliver impactful product changes in a timely manner.

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.

Flo Health develops a top-ranked health and fitness app focused on female health, with over 500 million downloads and 80 million monthly users worldwide. Backed by $200M in investment from General Atlantic and valued at $1B as of 2024, Flo has built a reputation for privacy-focused, clinically validated digital health solutions. The company supports 7 million paid subscribers and has spent a decade building user trust. Role overview The Senior QA Engineer will join Flo's Engineering team in Vilnius. This cross-functional role is central to delivering reliable, high-quality products using both manual and automated testing. The focus is on maintaining system stability, improving performance, and supporting seamless user experiences for Flo's global audience. What you will do Collaborate with Product Managers and engineers early in the development cycle to identify risks, edge cases, and potential gaps before implementation. Define and lead test strategies, including methodologies, quality criteria, and risk-based coverage aligned with User Stories and business objectives. Manage end-to-end test planning: determine scope, execute tests, and validate new features for consistency and reliability. Lead automation initiatives, balancing business impact and cost-efficiency, and focus on repeatable patterns and appropriate coverage across the test pyramid. Identify, prioritize, and report defects with clear, reproducible documentation that meets team standards. Apply data analysis tools such as SQL to investigate issues, validate assumptions, and support quality decisions. Integrate production signals (including crash analytics, non-fatal errors, and user-impact metrics) into pre-release test design and contribute to post-incident reviews. Promote quality within Agile teams, encourage best practices, and support ongoing process improvements.

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 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 the NordLayer team as we revolutionize cybersecurity for businesses worldwide.NordLayer offers a flexible, toggle-ready platform that empowers modern teams to work seamlessly, free from security concerns. Trusted by over 11,000 companies globally, our solution integrates effortlessly into any tech stack, safeguarding users wherever they are.Your Role: Play a crucial part in helping businesses maintain robust, forward-looking network security.As part of our Desktop Applications department, you'll collaborate with a dynamic team of skilled engineers to develop innovative cybersecurity networking solutions tailored for businesses. We foster a collaborative environment to tackle complex challenges with a strong focus on security.

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!