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April 8, 2026

Senior Fullstack Developer with Java and React

Senior • Hybrid

Warsaw, Poland

Responsibilities:

  • Design and development of applications in fullstack architecture (backend + frontend)

  • Creation and development of the backend layer based on Java 17+ and Spring Boot

  • Building and developing the user interface in React with an emphasis on UX and readability

  • Modeling and implementation of the data access layer (JPA)

  • Cooperation with the business team in analyzing and clarifying requirements

  • Breaking down requirements into user stories and estimating work

  • Designing and implementing end-to-end tests

  • Ensuring code quality (code review, best practices, clean code)

  • Co-creating the architecture of a greenfield project solution

  • Collaborating in an Agile environment (refinements, sprint planning, daily, retrospectives)

  • Participating in technological decision-making

 

Requirements:

  • Minimum 8 years of experience in Java programming (version 17+)

  • Minimum 5 years of experience with: React, Spring Boot and JPA

  • Experience in building full-stack applications (backend + frontend)

  • Practical knowledge of REST API design

  • Experience in working with relational databases

  • Ability to work with business requirements and their technical analysis

  • Experience in working with Agile methodology

  • Very good knowledge of English (working in an international environment)

  • Independence, proactivity, and ability to make technical decisions

Nice to have:

  • Experience with: Selenium, Liquibase for database versioning, Maven and Cucumber for testing

 

Offer:

  • Private medical care

  • Co-financing for the sports card

  • Constant support of dedicated consultant

  • Employee referral program