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-quality code that meets user needs

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)

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.

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.

Join the forefront of online privacy and security!At Nord Security, we are the innovators behind the world’s most advanced VPN technology, including Threat Protection Pro and the NordLynx protocol. We are looking for inquisitive problem-solvers to join our dynamic team in developing tools that empower individuals to reclaim their online privacy, security, and control.Your Role: Make a significant impact by helping millions safeguard their online presence.About Threat ProtectionIn an age where malware threats like viruses, Trojans, and spyware loom large, our dedicated threat protection team is committed to building software solutions that create a safer online environment. You will be tasked with developing scalable software architectures that address high-volume security challenges, all crafted from the ground up. If you’re ready for this challenge, we want to hear from you!Your Responsibilities:Create distributed microservices that shield millions of users from malware threats.Prioritize the delivery of high-quality code with an emphasis on scalability and security.Collaborate with a team of passionate developers to build and maintain our services using Golang.Take initiative in ownership of architecture, design, development, and deployment projects.Core Qualifications:Experience with distributed technologies and NoSQL databases, preferably Cassandra or Kafka.Familiarity with system design and the ability to select appropriate patterns for various scenarios.A strong passion for building anti-virus solutions and enhancing online safety.An enthusiasm for backend architecture and technology; if you can write scalable and stable code, we are eager to connect with you.A collaborative spirit that thrives on discussing, revising, and innovating ideas in pursuit of shared success.

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 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)

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.

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.

Join our mission at NordProtect to create a comprehensive identity theft protection service.Become part of the innovative team behind Nord Security’s latest offering, integrating dark web monitoring, credit tracking, and identity theft insurance into a robust platform.Your role will have a significant impact. You will assist individuals in safeguarding their identities, detecting threats promptly, and enabling resilient recovery.Introducing NordProtect: an all-encompassing digital shield against identity theft, financial fraud, and online scams. Our service provides extensive monitoring, rapid detection, swift recovery, and dependable insurance, ensuring unparalleled security and peace of mind for both businesses and individuals. The true champions behind this advanced solution are our dedicated cybersecurity and insurance professionals. Join us and be a pivotal force in maintaining the safety of digital identities.Key ResponsibilitiesDesign and implement microservices tailored to the needs of users seeking identity theft protection, ensuring the utmost security for sensitive personal information.Collaborate with cross-disciplinary teams to facilitate seamless integration and utilization of microservices throughout Nord Security’s product ecosystem, enhancing user experience.Provide mentorship and technical support to colleagues, fostering a culture of best practices within the engineering team.Contribute meaningfully to the team’s vision and long-term objectives.Engage in research and development initiatives to explore and adopt the latest technologies.Encourage open communication and collaboration among team members and across various engineering, product, and design teams.Demonstrate a collaborative spirit by actively participating in discussions, re-evaluating ideas, and embracing redesigns that lead to collective success.Essential QualificationsExtensive experience with backend technologies, preferably in Go.Proficient in system design with a strong understanding of design patterns and their appropriate applications.Solid grasp of microservices architecture and best practices for building scalable systems.Experience in mentoring junior developers and fostering a collaborative team culture.Strong problem-solving skills and the ability to adapt to rapidly changing environments.Excellent communication skills and a proactive approach to teamwork.

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.

Join the innovative team at Tide, a leading force in banking technology, as we embark on strategic projects in collaboration with Architus. We are seeking a skilled Senior Backend Engineer proficient in Python to enhance our applications and drive the development of our finance platform designed to support small businesses in saving time and money.About TideTide, established in 2017, has rapidly gained the trust of over 1 million small businesses worldwide and is currently available for SMEs in the UK, India, and Germany. With a vibrant headquarters in central London and regional offices in Sofia, Hyderabad, Delhi, Berlin, and Belgrade, Tide employs over 1,800 dedicated professionals. Our Lithuanian branch, home to 30 engineers, is poised for significant expansion, making it an exciting time to join us as we innovate and empower small businesses.The OpportunityAs a Senior Backend Engineer at Tide, you will play a crucial role in shaping our products. Reporting directly to the People Manager and Staff Engineer (Functional), you will collaborate with a team of highly skilled engineers. Your responsibilities will include ensuring system consistency and enhancing user experience, along with the design, building, and maintenance of functional and stable web applications that cater to both company and customer needs.We operate in an agile environment with small, cross-functional squads that manage the full lifecycle of microservices within Tide’s service catalog. Your innovative ideas will be valued, and you will be a vital contributor to our ongoing product improvement initiatives. Technical discussions will also take place within our various Communities of Practice.

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 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.

Join SumUp as a Backend Engineer in our Global Bank tribe, where we build essential infrastructure and services that empower merchants with reliable digital business accounts. Our mission is to simplify banking for small businesses.As part of the Transfers Gateway squad, you'll connect our internal systems with external financial networks across the EU and the UK. Your role will involve developing and managing services that facilitate money movement through various payment schemes daily. You'll take ownership of end-to-end scheme integrations and ensure the reliability and performance of production services that handle real transactions at scale. Your contributions will modernize existing systems while prioritizing reliability and user experience across different markets.Our tech stack includes Go, AWS, Kafka, PostgreSQL, and Kubernetes, complemented by robust observability tools such as Prometheus, Grafana, and Honeycomb. We also leverage AI-assisted development tools like Cursor and GitHub Copilot to enhance our productivity.At SumUp, we foster a culture of ownership where you will be empowered to build, run, and improve systems. We emphasize strong observability practices and continuous learning. Engineers enjoy clear autonomy in decision-making, with all processes documented and collaboratively reviewed.The Vilnius team plays a pivotal role in the Global Bank domain, owning production systems and shaping technical direction while collaborating with colleagues across our global offices on crucial merchant banking capabilities. Become part of our Vilnius team today! (Explore our Vilnius office.)

Join NordLayer in revolutionizing cybersecurity for the modern business landscape.Our versatile platform is designed to empower teams globally, eliminating security concerns while fostering productivity. Trusted by over 11,000 companies worldwide, NordLayer seamlessly integrates with any technology stack to safeguard users across international borders.Your Mission: To enhance the security posture of businesses, paving the way for robust and future-ready network protection.About Our Infrastructure Team: This team is pivotal in driving change, offering immediate support, and delivering innovative software-defined solutions.As a Senior DevOps Engineer, you will be instrumental in optimizing, enhancing, and automating our organization's infrastructure and CI/CD pipeline. Collaborating with Senior Engineers and cross-functional teams, you will implement industry-leading DevOps practices, support scalable cloud infrastructures, and ensure streamlined software delivery. This position offers a unique opportunity for professional growth in a dynamic environment while contributing to key infrastructure automation projects.

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.

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

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 ...