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Wix.com Ltd. logo
Full-time|On-site|Vilnius

Role Overview Wix is looking for a Senior Backend Engineer focused on Functions to help build and support scalable backend systems. This position is based in Vilnius. What You Will Do Design, develop, and maintain backend solutions that expand the platform’s capabilities Collaborate with cross-functional teams to deliver reliable software Contribute to high-…

Apr 17, 2026
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SumUp logo
Full-time|On-site|Vilnius, Lithuania

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)

Feb 19, 2026
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Tide logo
Full-time|On-site|Lithuania

ABOUT TIDEAt Tide, we empower small and medium-sized enterprises (SMEs) to optimize their operations, saving valuable time and resources. We not only provide business accounts and essential banking services but also a comprehensive suite of user-friendly administrative tools ranging from invoicing to accounting.Tide is revolutionizing the small business banking landscape with over 1.8 million members across the UK, India, Germany, and France.Leveraging cutting-edge technology, our solutions are meticulously crafted with SMEs in mind. With swift onboarding, competitive fees, and innovative features, we are committed to making data-driven decisions to fulfill our mission: to help SMEs reclaim their time and finances, allowing them to focus on what they do best.Tide facts:Tide serves SMEs in the UK, India, Germany, and France.We have over 1.8 million members: 800,000 in the UK and 1,000,000 in India, and our growth trajectory is steep.We have secured over $300 million in funding.Our team comprises over 2,500 diverse Tideans globally.We have offices in Central London, a member support and technology center in Sofia, Bulgaria, and additional technology hubs in Serbia, Romania, Lithuania, and Hyderabad, alongside offices in Gurugram, New Delhi, Berlin, Paris, and Luxembourg.ABOUT THE TEAM:Our engineering teams, comprising over 40 individuals, are dedicated to designing, developing, and managing a rich product portfolio across various business domains, including Payment Services and Business Solutions. With an ambitious roadmap ahead, our engineers are empowered to make impactful technical decisions that influence multiple teams and shape the future of Tide’s Global One Platform. This is a unique opportunity to make a significant impact by taking ownership of engineering practices within a rapidly growing organization! We operate in small, autonomous teams that are grouped by common domains and are responsible for the complete lifecycle of several microservices in Tide’s service catalog. Our engineers self-organize, collaborate on technical challenges, and establish their own standards within our various Communities of Practice, regardless of their current position within our Growth Framework.

Feb 2, 2026
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SumUp logo
Full-time|On-site|Vilnius, Lithuania

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)

Mar 10, 2026
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Surfshark logo
Full-time|On-site|Vilnius

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.

Mar 4, 2026
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Wix.com Ltd. logo
Full-time|On-site|Vilnius

About the Senior Backend Engineer Role The CTO Team at Wix in Vilnius is looking for a Senior Backend Engineer. This position focuses on designing and building scalable backend systems that support a wide range of web development tools. What You Will Do Develop and implement backend solutions to support Wix’s platform Work with cross-functional teams to improve and expand existing services Investigate and experiment with new technologies to advance the platform Contribute to backend architecture decisions Help shape product direction and technical strategy Location This role is based in Vilnius.

Apr 14, 2026
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nordsec logo
Full-time|On-site|Vilnius

Join our dynamic team at nordsec as a Senior Backend Engineer specializing in Golang. In this role, you will be pivotal in designing and implementing robust backend systems that power our innovative security solutions. You will collaborate with cross-functional teams to create scalable architectures and optimize performance.

Mar 24, 2026
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Nord Security logo
Full-time|On-site|Vilnius

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.

Mar 19, 2026
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Nord Security logo
Full-time|On-site|Vilnius

Join the Vanguard of Online Security!Are you a passionate problem-solver eager to innovate? Be part of the team behind Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN. We empower users with enhanced privacy, security, and control over their online presence.Your Role: Make a significant impact in helping millions reclaim their online security, privacy, and data.Join our Notification Center Team - Pioneering the Future of In-App Communications!As a Senior Backend Developer on our Notification Center Team, you will be integral in designing and maintaining the microservices that facilitate in-app notification delivery. Our team is essential to numerous features across various teams that depend on effective notification systems. Collaborating closely with other Nord teams, you will help chart our scalable future.Are you prepared to tackle challenges related to scalability, code quality, and maintenance? Your expertise will ensure that our services remain stable and functional, acting as the hidden backbone of many NordVPN, NordPass, and NordLayer features. Join our talented team of engineers dedicated to technical excellence!Key Responsibilities:Develop and enhance microservices to meet the needs of millions of users across NordVPN and related products, ensuring optimal scalability, stability, and security.Collaborate with cross-functional teams to promote seamless integration and functionality of microservices throughout NordVPN's product suite, enhancing the user experience.Mentor team members and foster technical best practices within the organization.Contribute towards shaping the team's vision and long-term objectives.Engage in research and development activities to explore and implement cutting-edge technologies as needed.

Apr 12, 2026
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Architus logo
Full-time|On-site|Kaunas, Kaunas City Municipality, Lithuania

Join Architus as we partner with Tide, a pioneering name in banking technology, to enhance innovative projects. We are searching for a seasoned Senior Java Engineer to become a vital part of Tide’s dynamic team.About TideTide has recently launched its operations in Lithuania, expanding its workforce to over 34 skilled engineers through a successful collaboration with Architus. The company is dedicated to developing a cutting-edge financial platform aimed at empowering small businesses to optimize their time and expenses. Tide not only offers business accounts and banking services but also a wide array of integrated administrative tools, including invoicing and accounting solutions.Since its inception in 2017, Tide has gained the trust of over 1 million small businesses globally, serving SMEs in the UK, India, Germany, and France. With its headquarters in central London and additional offices in Sofia, Hyderabad, Delhi, Berlin, and Belgrade, Tide employs more than 2000 professionals.As Tide expands rapidly and ventures into new markets, it continuously seeks enthusiastic and motivated individuals to join its mission of empowering small businesses.The OpportunityAt Tide, engineering teams are engaged in designing and managing a diverse product catalog across multiple domains. With an exciting roadmap ahead, engineers are empowered to make significant technical decisions that influence the Global One Platform. Working in small, autonomous teams, engineers take charge of microservices, self-organizing to tackle technical challenges and establish guidelines within Communities of Practice.As a pivotal member of an agile engineering team, you will work closely with Backend, iOS, Android, Web, QA, DevOps, Data, and Product teams to deliver meticulously engineered solutions. This represents a unique opportunity to influence engineering practices and make a tangible impact within a rapidly growing international organization.Technical StackProgramming Languages: Java 17Frameworks: Spring Boot, JOOQAPI: RESTful APIs, API design (treated as products, often public in Open Banking)Event-Driven Architecture: SNS+SQS, KafkaDatabases: PostgreSQL (via Aurora)Cloud Infrastructure: AWS (heavy AWS usage)CI/CD: GitHub, GitHub Actions, JUnit, Pact testingDeployment: ArgoCD, Docker, Terraform, EKS/KubernetesMonitoring & Debugging: DataDogCollaboration Tools: Close collaboration with Product Owners on user needs, business opportunities, and regulatory requirements.

Nov 13, 2024
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Oxylabs logo
Full-time|On-site|Vilnius

Join our dynamic team of over 500 professionals at Oxylabs, where we specialize in developing state-of-the-art proxy and web data scraping solutions for renowned businesses worldwide, including numerous Fortune 500 companies.What Awaits You:As a Senior Backend Engineer, you will tackle complex challenges and manage our robust infrastructure that handles over 60PB of data traffic monthly. Below are some impressive metrics reflecting our scale and maturity: - 6PB+ of Ceph storage - 60PB+ monthly data traffic processed through our systems - Over 300,000 service requests per second - More than 500,000 Kafka messages streamed per second

Apr 12, 2026
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Architus logo
Full-time|On-site|Kaunas, Kaunas City Municipality, Lithuania

Join Architus, a company dedicated to bridging top UK and US businesses with exceptional EU engineering talent. We specialize in cultivating high-performing technology teams and establishing a robust international presence. With offices in London, Vilnius, and Kaunas, we boast a stellar track record and an impressive clientele, including industry leaders like Invesco, Tide, Capital Group, Schroders, BNP Paribas, and HSBC.The OpportunityWe are excited to announce a partnership with a prominent UK energy firm, focused on cementing a substantial presence in Lithuania. This innovative company is dedicated to addressing global energy challenges while creating sustainable systems that benefit both the planet and its inhabitants.This is an incredible opportunity to become a part of an expanding team, offering numerous avenues for professional growth. You will collaborate with a passionate group committed to making a significant impact through cutting-edge technology, fueled by an entrepreneurial spirit.About the TeamAs part of the largest strategic transformation in the company's history, you will join a team that develops greenfield technology and innovative solutions for over 4 million customers. You will work within an autonomous product team, closely collaborating with various teams under a common Fintech domain that encompasses Energy Trading, Payments, and Exports. Your contributions will span across local and UK-based colleagues.Your ResponsibilitiesAs a Senior Backend Engineer, you will play a pivotal role in creating API-first services integral to our new target architecture. Your expertise will help shape the design, build, and scaling of customer products and services in collaboration with other Product and Engineering teams.You'll be working with cutting-edge technologies such as TypeScript, PostgreSQL, and MongoDB, utilizing CI/CD pipelines with Terraform and Kubernetes on GCP. Emphasizing agile methodologies, you will work alongside your team to achieve shared objectives.QualificationsExtensive backend engineering experience is essential.Proficiency in TypeScript and Node.js.Demonstrated success in a fast-paced growth environment.Understanding of multi-server architectures with experience in PostgreSQL and MongoDB, as well as familiarity with DevOps practices, including CI/CD pipelines and Terraform/Kubernetes.Exposure to Google Cloud Platform is advantageous; experience with AWS is also acceptable.Strong passion for product development and user experience, coupled with robust commercial insight.Desire to make a meaningful impact and take ownership early in the process.Ability to design resilient and scalable solutions.Meticulous attention to detail and a focus on security aspects.Familiarity with Test Driven Development (TDD) is a plus.Excellent written and verbal communication skills in English.What We OfferCompetitive Salary: Starting ...

Apr 8, 2026
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Wix2 logo
Full-time|On-site|Vilnius

About the Role Wix2 is looking for a Senior Backend Developer focused on frameworks to join the team in Vilnius. This position centers on designing and building backend solutions that support a range of applications. What You Will Do Design and implement backend frameworks for new and existing products Work with other engineers to solve complex technical challenges Contribute to a collaborative team environment Location This role is based in Vilnius.

Apr 16, 2026
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Guru Pay logo
Full-time|On-site|Vilnius, Vilnius City Municipality, Lithuania

At Guru Pay, we pride ourselves on being a premier Electronic Money Institution (EMI) located in Lithuania, dedicated to providing tailored and high-quality financial services to B2B, B2C, and C2B customers. Our goal is to achieve exceptional speed, security, and excellence in all our operations.We are currently seeking a Mid-Senior Backend Engineer to become a vital part of our expanding engineering team. In this position, you will play a key role in establishing the backend architecture of our API-first payments platform, creating scalable and dependable systems that serve both our customers and internal teams. You will collaborate closely with engineers from various disciplines to design and implement robust, high-performance services that are fundamental to Guru Pay’s objectives.If you have a passion for solving intricate technical problems, value clean architecture and resilient systems, and excel in team-oriented environments, we would be delighted to meet you.

Apr 13, 2026
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Point Wild logo
Full-time|Remote|Remote Lithuania

About Point Wild Point Wild helps people protect their identities and personal data as digital risks grow. Backed by WndrCo, Warburg Pincus, and General Catalyst, the team builds cybersecurity tools aimed at becoming a trusted source for cyber protection now and in the future. Role Overview Point Wild is hiring a Senior Backend Engineer to join a remote team based in Lithuania. This role focuses on building security solutions with a strong emphasis on cryptography, automation, and AI-powered analysis. The work is hands-on, and engineers contribute directly to the codebase across the stack. The team values close collaboration across engineering, product, and design. What You Will Do Design, build, and release features for the cybersecurity product suite. Write clean, maintainable backend code for systems running on AWS or GCP. Work alongside AI and cryptography specialists. Partner with the product manager to clarify requirements and help plan architecture, data flows, API specs, and testing approaches. Follow established engineering practices and join discussions about improving processes and code quality. Participate in customer-driven development and iterate based on user feedback. Create automated tests covering load, performance, and error handling. Location Remote within Lithuania.

Apr 16, 2026
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Nord Security logo
Full-time|Hybrid|Vilnius

At Saily, we are revolutionizing the way travelers stay connected by eliminating roaming fees and plastic SIM cards. Our service provides lightning-fast, secure mobile data across more than 200 destinations, ensuring millions of satisfied customers can browse effortlessly.To enhance our product for our users, we cultivate an AI-native Product Engineering culture, where:The Engineer is a builder who takes ownership of customer problems from inception to production.AI Agents assist by automating repetitive tasks, allowing Engineers to focus on impactful work.All team members are encouraged to propose improvements that can be delegated to AI Agents and implemented effectively.Curiosity and knowledge sharing are paramount responsibilities for everyone.The customer’s journey of comfort and connectivity remains our top priority.We prioritize growth over comfort, contribution over hierarchy, and impact over process. At Saily, we empower talented individuals with context, autonomy, and AI tools to excel in their work.Main Responsibilities:Enhance the Saily product by developing and maintaining new features.Create features that support multi-dimensional personalization, A/B testing, and analytics.Develop and sustain a high-quality codebase.Continuously seek to improve code quality and performance.Mentor colleagues in development best practices and provide technical leadership.Influence the overall vision and long-term objectives of your team.Engage in R&D activities as needed.Collaborate in a cross-functional team environment to ensure seamless communication.Work closely with engineering, product, and design professionals from other teams.Please note: This position requires office attendance 3 times a week.

Apr 12, 2026
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Surfshark logo
Full-time|On-site|Vilnius

Become an integral part of the Incogni engineering team and collaborate in crafting a cutting-edge backend platform that powers both Incogni and Ironwall at scale.We are seeking a seasoned backend engineer who excels in system thinking, is adept at designing for scalability, and takes pleasure in developing robust, reliable services.Our vision is to establish a secure, scalable, and high-performance service platform that accelerates business growth and adapts to changing product demands. You will engage with core systems and service architectures that are central to our platform, utilizing Go as a primary technology.

Mar 4, 2026
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Wix.com Ltd. logo
Full-time|On-site|Vilnius

Join our innovative team as a Backend Software Engineer at Wix.com, where you will play a crucial role in developing scalable and efficient backend systems. You will work collaboratively with cross-functional teams to design, implement, and maintain server-side applications that power our platform.Your expertise in backend development will help us enhance user experiences and drive our mission forward. If you are passionate about technology and keen to tackle exciting challenges, we want to hear from you!

Apr 13, 2026
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devexperts logo
Full-time|On-site|Vilnius

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.

Mar 19, 2026
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Nord Security logo
Full-time|On-site|Vilnius

Join the forefront of online privacy and security!If you're an innovative problem-solver who thrives on challenges, become a part of the dynamic Nord Account Team. Contribute to the development of Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN—empowering users with enhanced privacy, security, and control over their online presence.Your contribution: Play a crucial role in helping millions regain control of their online security, privacy, and data.

Oct 22, 2025

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