Fullstack Developer

Contract: B2B Salary: 110–140 PLN/h net/B2B Location: Remote within Poland Start: ASAPKey Technologies • Java (Spring, Spring Boot) • JavaScript / TypeScript, Angular, Vue.js • JSON/REST, Relational Databases (SQL) • Microservices architecture, Autoscaling, High Availability • Linux, Server Operations & Virtualization • Automated Testing (Selenium, Wiremock) • AWS Lambda or similar cloud functions Project Overview Join the team as a Full-Stack Developer supporting a Nordic SaaS customer. The project involves designing and implementing scalable, cloud-based microservices, delivering high-quality, adaptive software solutions. You will collaborate in cross-functional teams to improve architecture, develop automated and test-driven systems, and contribute to real-time, high-availability applications. The focus is on building robust backend services while integrating modern frontend frameworks, optimizing for scalability, maintainability, and operational efficiency. Responsibilities • Design, develop, and maintain full-stack applications with emphasis on microservices architecture • Apply test-driven development practices in an agile environment • Collaborate in cross-functional teams to continuously improve systems and workflows • Contribute to architecture decisions ensuring scalability, adaptability, and high availability • Integrate cloud-based services (AWS Lambda or similar) • Develop automated tests and CI/CD pipelines • Leverage AI/automation tools where applicable to improve development efficiency • Mentor junior developers and share knowledge of best practices Requirements • Min. 5 years of commercial experience as a Full-Stack Developer (mid-to-senior level) • Strong hands-on experience with Java, Spring / Spring Boot, and modern frontend frameworks (Angular, Vue.js) • Experience in microservices, REST APIs, relational databases, SQL • Solid knowledge of Linux, server operation, and virtualization • Experience with automated testing frameworks like Selenium and Wiremock • Understanding of cloud environments, serverless functions, and autoscaling • Good communication skills in English (B2+/C1) • Ability to work independently in an evolving product environment Nice to have • Experience with Elixir, Scala, Python, or Asterisk • Knowledge of WebRTC or SIP protocols • Familiarity with CI/CD tools (Jenkins), project tools (Confluence, Jira) • Exposure to AI-assisted development or custom AI integrations • Experience with cloud-native architectures and large-scale SaaS systems Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us, and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology! • Stable, long-term, full-time collaboration. • Remote work within Poland and flexible working hours. • High engineering culture with a focus on growth and learning. • Multinational teams. • Benefits: Private medical care, Multisport card, and workation (work for a week from Barcelona or elsewhere).