Mid to Senior Backend Engineer | Threat Protection | Go

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 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 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 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 online security!At Nord Security, we are redefining the landscape of online privacy and security. Our team is behind remarkable innovations like Threat Protection Pro and the NordLynx protocol, making us the creators of one of the fastest VPNs globally. If you are a proactive problem-solver who thrives on innovation, we invite you to be part of our mission to empower millions with security, privacy, and control over their online presence.Your Role: Play a crucial part in enabling users to reclaim their online safety and privacy.Our flagship product, NordVPN Threat Protection, goes beyond traditional VPN functionality. It safeguards users from scams, phishing, and other malicious threats, enhancing their privacy and delivering an ad-free browsing experience.Key Responsibilities:Collaborate closely with the Threat Protection development team to design and automate the infrastructure for our innovative product.Create scripts to optimize and maintain automated code delivery and release pipelines utilizing Docker, Gitlab CI, and AWS.Assist in developing frameworks for automated unit, integration, and end-to-end tests while establishing various virtual testing environments/services.Architect and oversee infrastructure for a multi-tenant distributed environment.Support the migration of services to and within cloud ecosystems (S3, EC2, EMR, Kubernetes).Ensure the application of best practices regarding security, availability, and observability of the infrastructure.Qualifications:Proven experience as a DevOps, System, or Infrastructure Engineer or in a comparable engineering role.Strong proficiency in Linux systems and tools; familiarity with Windows administration is a plus.Experience with Git and Git workflows.Proficiency in scripting languages (e.g., Shell, Bash, Python).Hands-on experience with CI/CD principles and a good understanding of build systems and related tools (preferably Make, CMake, Conan, Ninja).Solid understanding of software composition principles including compilation, linking, and loading.

Join the forefront of online security innovation! At Nord Security, we are on a mission to empower individuals with the most advanced VPN technology and comprehensive threat protection tools. If you are a driven problem-solver who thrives on challenges, we invite you to be a part of our dynamic team that developed Threat Protection Pro, the NordLynx protocol, and the world's fastest VPN—solutions designed to restore privacy, security, and control to users around the globe.Your role: Contribute to helping millions reclaim their online security, privacy, and data integrity.Introducing NordVPN Threat Protection: More than just a VPN, our innovative product enhances the NordVPN app by safeguarding users against scams, phishing attempts, and other cyber threats. It also boosts user privacy and enhances the browsing experience by eliminating intrusive ads.

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 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 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 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.

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.

Role Overview Nordsec is looking for a Technical Product Owner (junior to mid level) to join the team in Vilnius. This group builds and maintains Threat Protection Pro, the NordLynx protocol, and NordVPN, tools focused on privacy, security, and online control for millions of users worldwide. This role centers on NordVPN Threat Protection, a feature that extends NordVPN beyond traditional VPN services. Its DNS-based filtering engine blocks harmful domains, ads, and trackers in real time, protecting users at scale. What You Will Do Support the development and improvement of Threat Protection Pro and related security products. Help define and clarify product requirements, working closely with engineering and security teams. Bring structure and momentum to projects that impact millions of users. Apply technical curiosity to understand network and DNS concepts relevant to the product. What We Look For Technical curiosity and a willingness to learn quickly. Ability to understand and communicate network and DNS fundamentals. Organizational skills to bring clarity to complex projects. Motivation to work on products that protect user privacy and security at scale. Location This position is based in 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.

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.

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.

About Nord Security Nord Security builds privacy and security tools used by millions worldwide. Known for NordVPN, the company focuses on giving people more control over their online safety and privacy. Role Overview: Technical Product Owner (Junior-Mid Level) – Threat Protection This role centers on advancing Threat Protection Pro, with a focus on DNS-based filtering and the NordLynx protocol. The work helps protect users from online threats, intrusive ads, and trackers on a global scale. What You Will Do DNS Filtering Product Ownership Define and manage the roadmap for DNS-based blocking, aiming for effective and user-friendly filtering. Set and track key performance indicators, including block counts by category, DNS resolution latency, and server uptime. Clarify team responsibilities to support sound decision-making and resolve trade-offs. Infrastructure Quality and Performance Establish and maintain performance standards for DNS resolvers. Monitor response times and service level agreements (SLAs) for availability across different regions. Analyze infrastructure health metrics to guide product improvements. Detection Pipeline and Release Quality Oversee how threat intelligence integrates with DNS filtering. Define validation steps and release requirements for blocklist updates. Track deployment metrics such as success rates and rollbacks in the detection pipeline. Location Vilnius

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

Join 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 lives.Your contribution? Support millions in reclaiming their online security, privacy, and data.Join the Notification Center Team - Shape the Future of In-App Notifications!As a Senior Backend Engineer on our Notification Center Team, you will be integral in designing and maintaining crucial microservices that facilitate in-app notification delivery. Our team is essential in providing a backbone for a multitude of features across various teams that depend on seamless notification delivery. Our mission is to closely collaborate with other Nord teams to pave the way toward a scalable future.Are you prepared to tackle the challenges of scalability, cost-efficiency, clean code, maintenance, and ensuring a stable, functional service that serves as a key component behind many features of NordVPN, NordPass, and NordLayer? Make an impact and help shape the future of NordVPN and its sister products. Join our team of skilled engineers committed to technical excellence today!

Join a dynamic team of over 500 professionals at Oxylabs, a leader in developing innovative proxy and web data scraping solutions for renowned global businesses, including Fortune 500 companies.Your Role:As a PHP/Go Developer, you will tackle complex challenges and maintain our robust infrastructure managing over 60PB of monthly data traffic. You’ll engage with a system characterized by:- 6PB+ Ceph storage- 60PB+ monthly data traffic- 300k+ service requests processed per second- 500k+ Kafka messages streamed per secondBe part of a product that impacts over 15 million users globally, allowing you to see the results of your work from day one. Enjoy a rapid development cycle where your features go live quickly, ensuring continuous delivery and tangible outcomes.Work with a state-of-the-art tech stack including the latest PHP, frameworks, and databases in a containerized environment powered by Kubernetes, which has been in production for over seven years. Daily, you will face big data challenges, gain hands-on experience with Go, and contribute to shaping our engineering standards and best practices.