Senior Full-Stack Engineer - Expansion Team

Join our innovative team at nordsec as a Full-Stack Developer at the Mid-Senior level, specializing in cutting-edge AI tools. In this pivotal role, you will be responsible for designing, developing, and maintaining robust web applications while collaborating with cross-functional teams to deliver exceptional user experiences. Your expertise in both front-end and back-end technologies will help shape our AI initiatives and drive the future of digital solutions.

Join Nord Security in Shaping a Safer Cyber Future!At Nord Security, we empower individuals and organizations to reclaim their online security, privacy, and data integrity. Our innovative solutions, ranging from VPN services to password management, threat intelligence, and eSIM solutions for travelers, are trusted by millions across the globe.In this pivotal role, you will contribute to helping people take ownership of their online experiences.You will be responsible for designing, building, and maintaining internal AI-driven tools that enhance our teams' productivity. Your work will encompass the entire development lifecycle—from conceptualization to deployment of applications that facilitate our transition toward an AI-first organization.Key ResponsibilitiesDevelop and deploy AI applications: Create comprehensive internal applications (both front-end and back-end) utilizing AI technology, transforming concepts into production-ready solutions.Integrate with Existing Systems: Seamlessly connect AI tools with internal platforms and data sources (e.g., Jira, Confluence, Slack, BigQuery) using well structured APIs.Infrastructure Ownership: Deploy and manage applications utilizing Docker, Kubernetes, and various cloud services (AWS/Azure/GCP) to ensure reliability and scalability.Collaborative Engagement: Partner with stakeholders across multiple departments to grasp their requirements and translate them into practical, user-friendly tools.Quality and Security Maintenance: Uphold high standards of application security, especially when dealing with sensitive data and AI workflows.Core QualificationsComprehensive Full-Stack Development: Proven experience in building end-to-end web applications (e.g., Python/Node.js coupled with React/Vue).Cloud & DevOps Proficiency: Familiarity with Docker, Kubernetes, and managing cloud resources (AWS, Azure, or GCP).API Development Expertise: Background in designing and integrating RESTful APIs to connect various systems and services.Security Awareness: Knowledge of secure coding practices, especially concerning data management.Proactive Mindset: High degree of independence, ownership, and a positive, solution-oriented approach.

At OBDeleven, we are dedicated to simplifying automotive technology for enthusiasts around the world. With over a decade of experience, we specialize in creating powerful yet user-friendly diagnostic and customization tools. Join us in our mission to innovate and enhance the driving experience.Your Role:Develop and enhance our website and e-commerce platform using the latest technologies such as Vue.js, React, Next.js, and Symfony/Sylius.Collaborate with marketing, design, and product teams to transform concepts and requirements into effective features.Take ownership of the development process from initial planning to deployment and subsequent improvements.Focus on optimizing the performance, reliability, and overall developer experience across our web stack.Write high-quality, maintainable, and well-tested code adhering to industry best practices.Utilize AI-driven tools to enhance productivity and maintain code quality.Contribute to setting and improving engineering standards while helping to elevate the technical capabilities of the team.What We Seek:Proven experience in PHP and JavaScript/TypeScript (Vue.js, React, Next.js).Proficient in working with production systems, including SQL, Redis, message queues, and caching.Familiarity with Azure or similar cloud platforms, along with knowledge of Docker and Kubernetes.Strong understanding of testing methodologies (unit, integration, and performance testing).Able to design straightforward, scalable solutions and enhance existing systems without unnecessary complexity.Possess a keen sense of business impact and ownership; proactive communication and teamwork are essential.Stay updated with modern tools and approaches, with a willingness to learn new technologies.Fluency in Lithuanian and professional proficiency in English.Preferred Qualifications:Experience with Sylius/Symfony or other e-commerce frameworks.Background in high-traffic web platforms or marketing-focused environments.Knowledge of observability tools (logs, metrics, tracing, alerting).Experience in cloud migrations, refactoring legacy systems, or enhancing CI/CD pipelines.What We Offer:Competitive Compensation: We provide a salary that reflects your expertise and growth, along with an annual performance-based bonus.Flexible Work Environment: Enjoy a hybrid work setup with three days in the office and two days remote.Health and Well-being: Select from comprehensive health plans, take paid leave for personal care, and enjoy flexible working hours, including a day off for your birthday.Additional Time Off: Benefit from a 4-day workweek for one month each year, depending on company performance.

Are you prepared to spearhead the transformation of an ERP system from Classic to Cutting-Edge?Our client is committed to developing and scaling their proprietary ERP system, which assists businesses in streamlining complex operations. They are currently navigating a significant technological pivot: migrating their core from reliable legacy systems to the latest tech stack (.NET 9 and React 19). They are seeking a dedicated Mid-Level Developer to join their core team of innovative professionals!Tech Stack:Backend: Proficiency in .NET Framework 4.7 (maintenance) with skills to develop new features on .NET 9.Frontend: Strong expertise in React, particularly with the transition to React 19. Familiarity with Angular.js (1.7) is a considerable advantage as you will play a key role in migrating our legacy frontend to React.Database: Skilled in MsSQL.Integrations: Experience with RESTful APIs and connecting systems with major ERP/Accounting platforms such as Rivile, MsDynamics, SAP, BSS, etc.Cloud: All operations are hosted on Azure.Who We Are Looking For:A Mid-Level Developer or a highly capable Junior with substantial hands-on experience.Someone who is not just a coder but is passionate about understanding business logic and product development.A collaborative team player who thrives in a small, close-knit group (currently 3 full-time developers + 1 part-time).Location: Candidates must be able to work from our office in Pilaitė, Vilnius.What’s In It For You?Salary: €2,000 – €2,500 Net (after tax), based on experience. For a Senior profile with exceptional expertise, we are open to discussing up to €3,000 Net.Product-Focused: Move away from the agency grind and work on a single, long-term product where you can see the direct impact of your contributions.Hybrid Flexibility: We will begin with a period of close office-based collaboration to bring you up to speed, transitioning to a flexible model (e.g., once a week in the office) thereafter.Perks & Culture: * Annual team retreat/vacation abroad.Opportunities for business trips and international exhibitions.Convenient parking at our office on Pilaitės pr. (ample spots available!).Why This Role is Unique:Join a tech migration task force rather than simply maintaining a system. This is a rare opportunity to bridge the gap between enterprise-grade legacy stability and the latest .NET and React technologies.

Role overview Psicro is looking for a Full Stack Developer with a focus on AI Solutions to join the team in Vilnius. This position centers on building technology to support new artificial intelligence products. What you will do Design, develop, and implement software for projects driven by AI Work on both front-end and back-end systems Collaborate with team members to deliver solutions that fit client needs Why join Develop technical skills in a company that prioritizes AI innovation Take part in projects that make a difference for clients Join a supportive team based in Vilnius, a growing tech hub

Oxylabs creates proxy and web data scraping solutions for a diverse client base, including Fortune 500 companies. The company’s team of over 500 professionals tackles complex data challenges and supports large-scale operations. Role overview This Mid-Level PHP Developer position is based in Vilnius. The role centers on maintaining and enhancing the infrastructure that powers Oxylabs’ global data services. The systems managed in this role process significant volumes of data for clients worldwide, requiring careful attention to reliability and performance. Key systems and technologies Ceph storage handling over 6 petabytes of data Monthly data traffic exceeding 60 petabytes Service infrastructure managing more than 300,000 requests per second Kafka streaming with 500,000 messages per second This role focuses on supporting and improving the core systems that keep data flowing smoothly at scale.

Join our dynamic team of over 500 skilled professionals at Oxylabs, where we create innovative proxy and web data scraping solutions for some of the most recognized brands worldwide, including Fortune 500 companies.What You Can Expect:As a Mid-Level PHP Developer, you will tackle intricate challenges and manage our extensive infrastructure, which supports over 60PB of monthly data traffic. Your role will involve working with significant metrics, such as: - 6PB+ Ceph storage - 60PB+ monthly data traffic through our systems - 300k+ service requests processed per second - 500k+ Kafka messages streamed per second

Join the forefront of payment processing innovation with Nuvei, a dynamic Canadian fintech company dedicated to empowering businesses globally.At Nuvei, we provide cutting-edge, modular, and scalable technology that allows our clients to seamlessly accept next-generation payments, access a variety of payout options, and utilize comprehensive banking services including card issuing and risk management. With a presence in over 200 markets, local acquiring in 50 markets, and support for 150 currencies and 700 alternative payment methods, we equip businesses with the tools and insights they need to thrive locally and internationally.Your Mission:As a Full Stack Developer in our R&D department, you will play a key role in developing high-quality user interfaces and enhancing client-side experiences, while also maintaining a deep understanding of our back-end systems.The Product:Nuvei Digital Accounts serves as a high-performance platform for global enterprise banking, functioning as an Electronic Money Institution (EMI) and Crypto-Asset Service Provider (CASP). This centralized hub facilitates multi-currency treasury management, real-time foreign exchange, and crypto transfers, bridging traditional financial systems with blockchain-based solutions to manage over 20 currencies and digital assets within a regulated framework.Key Responsibilities:Design and implement application features with a focus of 80% on front-end and 20% on back-end, ensuring seamless integration between both.Develop secure, AI-driven features utilizing both external services and internal microservices.Stay abreast of emerging technologies and methodologies.Lead the creation of modern, responsive user interfaces using Vue.js, ensuring exceptional UI/UX standards.Engage in rapid development cycles using dynamic languages and agile methodologies.

Join Saily, where we revolutionize mobile connectivity for travelers. Enjoy uninterrupted, secure mobile data across 200+ destinations without the hassle of roaming fees or plastic SIM cards. With millions of satisfied customers and countless travelers using our services, we are committed to delivering the best possible product.At Saily, we embrace an AI-native Product Engineering culture that empowers our engineers to:Take ownership of projects from conception to deployment.Deliver innovative features without the need for overly detailed specifications.Collaborate closely with product managers, designers, data analysts, and fellow engineers.Work within dynamic, self-sufficient teams.Leverage AI agents for enhanced specifications, coding, analysis, testing, and iteration.Achieve double the output of a traditional Senior Engineer through AI assistance.Enhance our internal agent network and development processes.Be adaptable across the technology stack as required.Prioritize user satisfaction and business success over mere productivity metrics.Our Values: We prioritize growth over comfort, contributions over hierarchy, and meaningful impact over rigid processes. At Saily, we empower talented individuals with the context, autonomy, and AI tools they need to excel at their work.

Join the innovative team at nordsec as a Senior Full Stack Product Engineer. In this pivotal role, you will be at the forefront of developing cutting-edge solutions, leveraging your expertise in both front-end and back-end technologies to create seamless user experiences. You will collaborate with cross-functional teams to define, design, and ship new features while maintaining high standards for code quality and performance.

Join our dynamic team of over 500 professionals at Oxylabs, where we specialize in creating innovative proxy and web data scraping solutions for some of the most recognized brands globally, including Fortune 500 companies.What Awaits You:As a Senior Full Stack Developer, you'll tackle intricate challenges while managing our robust infrastructure, which handles over 60PB of monthly data traffic. Our scale and maturity are reflected in the following metrics:- Over 6PB of Ceph storage- More than 60PB of data traffic processed monthly- 300k+ service requests per second- 500k+ Kafka messages streamed per second

Join Saily, where we simplify staying connected while traveling. Forget about roaming fees and plastic SIM cards—experience fast and secure mobile data in over 200 destinations. With millions of paying customers and hundreds of thousands of travelers exploring Saily at any moment, we are redefining mobile connectivity. Our product development thrives on an AI-native Product Engineering culture. Here’s how we operate: The Engineer is the creator, tasked with addressing customer challenges from concept to deployment. AI Agents support Engineers by automating routine tasks and writing code, allowing Engineers to focus on impactful work. Every team member is encouraged to suggest improvements to optimize the use of AI Agents and implement changes. Curiosity, continuous learning, and knowledge sharing are our collective responsibilities. Our primary focus remains on ensuring a seamless and enjoyable journey for our customers. At Saily, we prioritize growth over comfort, contribution over hierarchy, and impact over process. We empower talented individuals by providing context, autonomy, and innovative AI tools to help them excel. We are excited to welcome motivated junior engineers to our team. Impact is not solely defined by years of experience; it is driven by your eagerness to learn, discipline, and innovative mindset. At Saily, you will have the opportunity to build and influence your surroundings. What can you expect? Hands-on experience with AI-assisted software development, access to a wealth of learning resources, and the chance to work on a product that is not only successful but also technically rewarding. Bring your skills and vision to Saily and make your mark!

Join NordPass in Revolutionizing Password Security!At NordPass, we strive to make password security effortless and accessible. We believe that logging in should be both safe and simple. Be part of the NordPass team—a trusted password manager utilized by over 7 million users and more than 10,000 global enterprises to safeguard their credentials, payment information, and sensitive data.Your contribution? Empower millions to protect their digital identities by designing innovative and secure login solutions.Your Responsibilities:Design, develop, and maintain security-focused backend services, including breach detection and email masking, ensuring high standards of quality, performance, and accuracy.Utilize AI-driven workflows daily for code generation, debugging, and performance optimization, while continuously assessing new tools to enhance team productivity.Establish best practices for AI use within the team, ensuring that AI-generated code adheres to the same standards as manually written code.Engage in system design and architectural discussions, advocating for secure, scalable, and maintainable solutions.Collaborate with cross-functional teams, including Frontend, Android, iOS, and Backend engineers, to deliver comprehensive features across all platforms.Take full ownership of your work from design through to production, ensuring accountability for uptime, reliability, and code quality.

Join our innovative team at Nordsec as a Mid-Level Backend Engineer! In this role, you will contribute to developing and enhancing security tools that safeguard our users' data. We are looking for a passionate individual with a strong background in PHP who is eager to tackle challenging problems and collaborate within a dynamic team.

Join Omnisend and experience a uniquely calm work environment.At Omnisend, we pride ourselves on having a culture that emphasizes productivity and collaboration without the distractions of office drama or unwarranted bureaucracy. Our team is composed of intelligent, driven individuals who focus on delivering impactful solutions for eCommerce brands. With a data-driven approach, we rely on insights rather than assumptions, fostering an atmosphere of trust and transparency among our team members. We prioritize real feedback and adapt swiftly to changes, ensuring we meet our clients' needs effectively. Omnisend is customer-funded and driven, dedicated to solving genuine challenges in the eCommerce space and delivering results that matter. We also believe in having fun—workations, team gatherings, and occasional celebrations are part of our culture, without any forced activities or awkward icebreakers.We are currently on the lookout for a Senior Full-Stack Engineer. This role is perfect for individuals who possess a proactive mindset and a passion for developing impactful software products. As a member of our App Platform team, you will collaborate with highly skilled professionals to oversee the development, maintenance, and enhancement of our AI platform, front-end platform, and other developer experience solutions. You will also support various experience teams by developing innovative solutions.

Join our team at NordPass, where we strive to make password security seamless and intuitive.With over 7 million users and 10,000+ companies relying on our solution to safeguard their credentials, payment methods, and sensitive information, we are dedicated to enhancing digital security.What will your role entail? You will play a vital role in securing the digital lives of millions by developing innovative and secure login methods.

Join Saily, where we simplify connectivity while traveling with no roaming fees and no plastic SIM cards. Experience secure, high-speed mobile data in over 200 global destinations, enjoyed by millions of paying customers and countless travelers daily.At Saily, we cultivate a unique AI-native Product Engineering culture that empowers our Engineers to:- Take ownership of customer challenges from concept to production- Leverage AI Agents to automate repetitive tasks, allowing Engineers to focus on impactful solutions- Actively contribute ideas for enhancing our processes and agent capabilities- Foster a culture of curiosity, learning, and sharing knowledge- Prioritize delivering a seamless, hassle-free experience for our customersWe prioritize growth, collaborative contributions, and impactful results over rigid hierarchies. At Saily, you’ll find an environment that offers autonomy, context, and cutting-edge AI tools to maximize your potential.We are excited to welcome passionate junior engineers to our team, as we believe that true impact comes from your eagerness to learn and innovate, rather than years of experience. Saily provides the space to build and shape the future of connectivity.What can you look forward to? Hands-on experience in AI-assisted software development, access to a wealth of learning resources, and the chance to work on a product that is not just technically challenging but also meaningful.Bring your skills and vision to Saily and embark on this exciting journey!Key ResponsibilitiesDevelop small tools/features with team support.Collaborate closely with product managers, designers, and fellow engineers.Engage in highly autonomous, small team dynamics.Gain proficiency in utilizing AI agents for specifications, coding, testing, and iterative development.Contribute to enhancing our internal agent network and development processes.Focus on achieving user and business outcomes rather than merely output.

Join us at Nord Security as we pave the way for a more secure cyber world.Our mission is to empower individuals and organizations to reclaim their online security, privacy, and data. Whether it's through our cutting-edge VPN services, user-friendly password managers, insightful threat intelligence, or innovative eSIM solutions for travelers, our talented teams are dedicated to transforming intricate challenges into trusted solutions, embraced by millions across the globe.In this pivotal role, you will be instrumental in helping people take ownership of their digital lives.

Join the forefront of digital security with the world's most advanced VPN solution.As a proactive and innovative problem-solver, you'll be part of the team that developed Threat Protection Pro and the NordLynx protocol, ensuring that our users have access to the fastest and most secure VPN available. Your mission? Empower millions to regain control over their online security, privacy, and data.Your Role: Drive the success of our mobile affiliate marketing initiatives by managing partnerships and optimizing campaign performance.