Fullstack Developer (Java + React)
Technology
B3 Consulting PolandWarszawa, Polska2 tygodni temuDo 18.12.2026
Pełny etatHybrydowa
Opis stanowiska
What we offer
- Work in a Scandinavian culture built on logic, trust, and open dialogue.
- Health and sports benefits tailored to your needs.
- Speed Coaching – short sessions designed to provide new perspectives and solutions.
- Sports training, an internal team, and opportunities to take part in competitions.
- Developing a new application processing very large volumes of financial data - building features with Java, Spring Boot and React in a fast-growing internal project
- Implementing business modules for the investment fund market - handling ETF funds, edge cases such as settlement fees, and payment reconciliation processes
- Working on both new feature development and maintenance of a live production system - incident handling and support for active users, in self-contained tasks that do not require knowledge of the entire architecture upfront
Must have:
- 5 years of commercial experience with Java, including building applications with Spring Boot
- 5 years of experience working with React
- Experience with Docker and hands-on knowledge of SQL and working with large databases
- Experience working in Agile teams
- English at B2 /C1 level as the main language of daily collaboration, and readiness for hybrid work in Warsaw (1-2 days per week)
- Eligibility to work in Poland (citizenship, residence card, visa, etc.)
- Experience in the financial domain - investment funds, ETFs, settlements, reconciliation processes
- Experience in projects with large data volumes and high performance requirements
- Experience collaborating with a distributed, international team and business stakeholders
- Experience combining production system maintenance with new feature development
Keywords
JavaSpring BootSQLReactDockerReactOSSpring FrameworkReact.js
Interesuje Cię ta oferta?