Mid-Senior Backend Software Engineer

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.

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 forefront of digital security with the world's leading VPN provider. Are you a passionate problem-solver eager to make a difference? Become a member of our innovative team responsible for developing Threat Protection Pro, the NordLynx protocol, and the most efficient VPN available. Our mission is to empower users with unparalleled privacy, security, and control over their online experiences.Your Contribution: Play a vital role in helping millions reclaim their online security, privacy, and data integrity.

Join NordStellar, a leading cybersecurity platform, and help organizations stay one step ahead of cyber threats.As a Software Engineer, you will be integral to transforming threat intelligence into actionable insights, developing cutting-edge tools for dark web monitoring and attack surface management that security teams can trust.Your Role: Empower businesses to identify vulnerabilities and thwart cyberattacks, safeguarding both teams and customers.About NordStellar: Our innovative threat exposure management platform is designed to outsmart cyber threats, protect critical data, and prevent fraud. With NordStellar, businesses gain the insights they need to anticipate hacker actions. Our dedicated Dark Web Monitoring Team is a mission-driven, cross-functional group focused on identifying emerging threats and delivering vital insights.Join us in building technology that empowers proactive security leaders with an understanding of what hackers know about their businesses, enabling swift detection and response to potential cyber threats.

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 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 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!

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.

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.

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 NordPass in Revolutionizing Password Security!At NordPass, we are committed to making password management easy and secure. Our mission is to ensure that logins are not just simpler but also safer. Be part of the team that powers NordPass—a trusted password manager utilized by over 7 million users and more than 10,000 companies worldwide, safeguarding their credentials, payment information, and sensitive data.Your Role: Contribute to enhancing the digital security of millions by developing innovative and secure login solutions.Key Responsibilities:Collaborate with cross-functional teams to ensure seamless integration and effective use of microservices across Nord Security’s product suite, enhancing user experience.Prioritize high-quality code delivery with a focus on scalability and security.Participate actively in technical and architectural discussions, refining processes and influencing the strategic direction of the product.Exhibit strong ownership and accountability for the development, maintenance, and quality of the product.Promote effective communication and collaboration among team members and cross-functional groups, including engineering, product, and design professionals.

Join our dynamic team at Nordsec as a Mid-Level Software Engineer, specializing in Python development for our Quality of Service (QoS) team. In this role, you will be responsible for designing, implementing, and maintaining high-performance software solutions that enhance QoS across our platforms. You will collaborate closely with cross-functional teams to ensure our technology meets the highest standards of quality and reliability.We are looking for innovative thinkers who thrive in a collaborative environment and are eager to tackle challenging problems. If you are passionate about software engineering and dedicated to improving user experiences through technology, we want to hear from you!

Join the dynamic team at SumUp, where the Global Bank tribe is dedicated to building robust infrastructure and essential services that empower merchants with digital business accounts, simplifying banking for millions of small enterprises. The Transfers Gateway squad plays a crucial role by connecting SumUp’s internal systems to external financial networks across the EU and the UK. We are responsible for the services that facilitate daily money movement through various payment schemes. Our team oversees the complete integration process and manages production services that handle real transactions at scale. You will be instrumental in modernizing legacy systems while ensuring reliability, accuracy, and adaptability, making architectural choices that directly impact uptime and enhance the merchant experience across diverse markets. Our tech stack comprises Go, AWS, Kafka, PostgreSQL, and Kubernetes, reinforced by a comprehensive observability toolchain including Prometheus, Grafana, and Honeycomb. We leverage AI-assisted development tools such as Cursor and GitHub Copilot to enhance our workflows. At SumUp, we foster an engineering culture rooted in ownership. We operate on a “build it, run it, improve it” philosophy, emphasizing strong observability and continuous learning. Engineers enjoy clear responsibilities and autonomy, with decisions documented and made collaboratively. The Vilnius team is integral to the Global Bank domain, managing production systems, influencing technical direction, and collaborating with colleagues across SumUp’s global offices to enhance critical merchant banking capabilities. Be a part of our Vilnius Team today! (Vilnius office)

Join 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.

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 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 our dynamic team at Nordsec as a Mid-Senior DevOps Engineer. In this role, you will play a pivotal part in enhancing our deployment processes, working collaboratively to optimize our infrastructure and automate workflows. You will have the opportunity to engage with cutting-edge technologies while driving efficiency and stability across our systems.

At NordStellar, we empower organizations to anticipate cyber threats before they occur.Become a pivotal member of our team that transforms threat intelligence into proactive measures. From monitoring the dark web to managing attack surfaces, we are developing essential tools that security teams depend on to stay ahead of cyber threats.Your role? Assisting businesses in identifying vulnerabilities and thwarting cyberattacks—ensuring safety for both teams and their customers.NordStellar is an innovative platform within our extensive array of advanced cybersecurity solutions. This state-of-the-art threat exposure management system is crafted to outsmart cyber threats, protect sensitive data, and prevent fraud. At NordStellar, we equip companies with the necessary tools to stay one step ahead of hackers and to outmaneuver them. Join us in creating technology that helps businesses understand what hackers know.

Join NordStellar, where we empower businesses by unveiling the insights hackers possess before they strike.As a pivotal member of our team, you will transform threat intelligence into actionable strategies. From monitoring the dark web to managing attack surfaces, we are developing tools that security teams depend on to stay ahead of potential threats.Your contribution? You will assist organizations in identifying vulnerabilities and thwarting cyberattacks, ensuring the safety of both teams and clients.NordStellar is the latest innovation in our suite of advanced cybersecurity solutions. This state-of-the-art threat exposure management platform is engineered to outsmart cyber threats, protect sensitive data, and prevent fraud. With NordStellar, organizations gain the tools necessary to anticipate hackers' moves and counter their strategies effectively. Join us in crafting technology that keeps businesses informed about the threats they face.