Full-stack Engineer

Expected, React.js, Angular, Next.js, Java, Spring Boot, Node.js, Express.js, TypeScript, REST APIs, JWT, OAuth, PostgreSQL, MySQL, MongoDB, GitHub Actions, Jenkins, GitLab CI, Docker, Kubernetes, AWS

About the project, Enterprise-level, cloud-native development project., , Involves working across the full stack to deliver scalable, high-quality web applications in a modern microservices-based architecture.

Your responsibilities, Designing, developing, and maintaining modern web applications., Contributing to both frontend and backend systems., Ensuring performance, scalability, and clean architecture., Taking ownership of features end-to-end, including design, development, testing, deployment, and production support., Working closely with cross-functional teams including developers, QA, DevOps, and product stakeholders.

Minimum 3+ years of professional experience as a Full Stack or Software Engineer., Strong experience in frontend development using React.js, Angular, and/or Next.js., Proficiency in Java (Spring Boot) and/or Node.js (Express.js)., Experience with TypeScript, REST APIs, and authentication (JWT/OAuth)., Solid understanding of frontend architecture, reusable components, and state management., Experience with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB)., Knowledge of CI/CD pipelines (GitHub Actions, Jenkins, or GitLab CI)., Familiarity with Docker, Kubernetes basics, and AWS cloud services., Experience working in microservices and MVC architectures., Strong debugging, problem-solving, and code optimization skills., Experience working in Agile/Scrum teams.

Optional, Experience across multiple frontend frameworks (React + Angular + Next.js)., Experience with production support and incident troubleshooting., Exposure to enterprise-scale distributed systems.

This is how we work, agile, scrum

This is how we work on a project, Continuous Deployment, Continuous Integration

Recruitment stages, Initial screening, Technical interview, Final decision

SQUARE ONE RESOURCES sp. z o.o., At Square One Poland we link IT experts with the business. With over 25 years of experience, we specialize in recruitment processes on a global scale. Despite years of experience, we still have a startup DNA and this is our advantage. Our offices are located in London and Warsaw, however, we can reach clients from all over the world, from start-ups to big worldwide corporations.

This is how we work,