Link Group
Fullstack Developer (Java/React/Node)
- Compensation
- Not disclosed
- Location
- Kraków
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- Not specified
- Category
- Fullstack
- Posted
Skills
Must have
- Commercial experience as a Full Stack Engineer or Software Engineer working across frontend and backend.
- Strong knowledge of JavaScript/TypeScript, HTML5, CSS3, and modern frontend development.
- Good hands-on experience with React.js.
- Experience with Node.js and frameworks such as Fastify or Express.
- Experience with Java Spring Boot for building REST APIs and microservices.
- Understanding of distributed systems, REST API design, and integration patterns.
- Experience with cloud-based environments, preferably Azure.
- Knowledge of relational databases such as PostgreSQL or MS SQL Server.
- Familiarity with CI/CD pipelines, version control, and modern software delivery practices.
- Good communication skills and ability to work effectively in a team.
- Practical experience or openness to working with AI-assisted engineering tools such as GitHub Copilot.
- Nice to have
- Experience with microfrontends or large-scale frontend architecture.
- Knowledge of Azure App Services, Azure Functions, or Azure DevOps.
- Experience with DevOps practices, CI/CD, and automated testing.
- Experience with performance optimisation and troubleshooting distributed applications.
- Familiarity with cloud security, scalability, and reliability practices.
- Experience mentoring less experienced developers or supporting technical decision-making in a team.
Full description
We are looking for a Mid/Senior Full Stack Engineer to join a product engineering team working on cloud-based applications built with React, Node.js, Java Spring Boot, and Azure. The role is hands-on and focused on designing, developing, and improving scalable web applications, APIs, and microservices in a modern distributed environment.
You will work across frontend and backend, contribute to technical decisions, support code quality, and collaborate closely with engineers, product teams, and architects. This is a good fit for someone who enjoys building features end to end, understands modern engineering practices, and wants to grow further in architecture, cloud, and platform-level topics.
Key responsibilities
- Develop and maintain web applications using React, TypeScript, and modern frontend tooling.
- Build and improve backend services and APIs using Node.js and Java Spring Boot.
- Work with microservices and integration patterns in a cloud-based environment.
- Participate in solution design, technical refinements, code reviews, and architecture discussions.
- Support the development of scalable, secure, and reliable applications.
- Improve code quality, maintainability, performance, and test coverage.
- Collaborate with product owners, architects, and other engineers to translate business needs into technical solutions.
- Support CI/CD and deployment processes in Azure.
- Use AI-assisted development tools such as GitHub Copilot to improve productivity and code quality.
Requirements
- Commercial experience as a Full Stack Engineer or Software Engineer working across frontend and backend.
- Strong knowledge of JavaScript/TypeScript, HTML5, CSS3, and modern frontend development.
- Good hands-on experience with React.js.
- Experience with Node.js and frameworks such as Fastify or Express.
- Experience with Java Spring Boot for building REST APIs and microservices.
- Understanding of distributed systems, REST API design, and integration patterns.
- Experience with cloud-based environments, preferably Azure.
- Knowledge of relational databases such as PostgreSQL or MS SQL Server.
- Familiarity with CI/CD pipelines, version control, and modern software delivery practices.
- Good communication skills and ability to work effectively in a team.
- Practical experience or openness to working with AI-assisted engineering tools such as .