Senior Backend Engineer | Go | Notification Center Team

Join the forefront of online security with the world's leading VPN and more. Are you a passionate problem-solver eager to make a difference? Become part of the innovative team behind Threat Protection Pro, the cutting-edge NordLynx protocol, and the fastest VPN available—solutions that empower users with privacy, security, and control over their digital live…

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 digital privacy and security.Become a part of the innovative team responsible for Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN—solutions that empower users to regain control over their privacy, security, and data.Your role? Assist millions of users in reclaiming their online security, privacy, and data management.Our Payments Team is the backbone of Nord Security's global operations. We design, build, and maintain systems that ensure secure and smooth payment experiences for users across the globe. Collaborating with a diverse array of international payment providers, we tackle challenges related to high-load environments, complex payment processes, and recurring subscription management.This is an environment for engineers who excel at solving intricate problems, creating robust systems, and continually enhancing their skills. You will develop essential components that directly influence how customers handle payments and manage subscriptions for our highly regarded products.If you seek a team that champions ownership, creativity, and technical excellence, you will thrive here.

Join the forefront of digital security with the world’s most advanced VPN! Are you a driven problem-solver eager to innovate? Become part of the team that developed Threat Protection Pro and the NordLynx protocol, ensuring users enjoy the fastest VPN service while reclaiming their privacy, security, and control online.Your Contribution: Empower millions to regain control over their online privacy, security, and data.About Our Payment Team: We are the backbone of Nord Security’s global business, crafting and maintaining systems that facilitate secure and seamless payment experiences for users worldwide. Collaborating with a diverse array of international payment providers, we tackle challenges associated with high-load environments, intricate payment flows, and recurring subscription payments.This is an ideal environment for engineers who relish solving complex challenges, designing robust systems, and honing their skills. You will develop essential components that influence how customers manage their payments and subscriptions for our globally recognized products.If you seek a team that champions ownership, innovation, and technical mastery, you will find your place here.

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 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.

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.

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.

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.

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 the forefront of online security technology! Are you a passionate and innovative problem-solver? Become a pivotal member of the team behind Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN. Our mission is to empower users by enhancing their privacy, security, and control online.Your impact? You will be instrumental in helping millions regain control over their online security, privacy, and data.Threat Protection In an era where viruses, Trojans, worms, spyware, and other malware pose significant threats, our Threat Protection team is committed to creating a safer online experience. We are developing robust software solutions that protect our customers from these threats. You will work on scalable code designed for high-volume, secure, distributed systems, crafted from the ground up. If this sounds like the challenge you've been searching for, we invite you to read on!

Join the forefront of online security innovation.Are you a passionate problem-solver looking to contribute to cutting-edge technology? Join our team at Nord Security, where we develop advanced tools like Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN. Our mission is to empower individuals by enhancing their privacy, security, and control over their online presence.Your contributions will directly impact: enabling millions to reclaim their online security, privacy, and data integrity.As a vital member of the Nord Checkout team, you will help develop and maintain critical services that streamline the final stages of the user purchase journey. Our daily tasks involve scaling our services and rolling out new features to ensure a secure, fast, and user-friendly experience. Additionally, we support other teams by providing access to user purchase data.Key Responsibilities:Design and develop robust, scalable, and secure microservicesWrite high-quality, maintainable code that performs well under loadCollaborate with team members, QA, DevOps, and security teams on daily tasksSuccessfully deliver new features and fixes on scheduleCreate technical designs and maintain thorough documentationEngage in R&D activities to tackle new and complex challengesExhibit ownership of tasks from inception to completionContinuously pursue professional development and learning.

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 the forefront of digital privacy and security!As a Senior Backend Engineer on the Nord Account Team, you'll contribute to the development of industry-leading tools, such as Threat Protection Pro and the NordLynx protocol, which empower users to reclaim their online security and data privacy.Your mission? Enable millions of users to take control of their online security and privacy.Key ResponsibilitiesCraft intuitive APIs that are not only functional but also enjoyable for our internal teams to utilize.Prioritize the creation of high-quality, scalable, and secure code.Work collaboratively with a dedicated team of developers to build and maintain our services using Golang.Take ownership of architecture, design, development, and deployment initiatives with respect and diligence.

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 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 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 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