Full-Stack Developer (Java, Spring Boot, React)

Quick Facts

• Role: Full-Stack Developer (Java + React)

• Focus: High-volume financial data processing application (features + live production support)

• Work style: Agile team; hybrid work in Warsaw (1–2 days/week)

Description

You will develop and maintain an application that processes very large volumes of financial data, building features with Java, Spring Boot, and React. You’ll implement investment-fund/ETF business modules, including settlement fees and payment reconciliation edge cases. You’ll also handle self-contained tasks for both new development and incident support for active users.

Responsibilities

• Develop new application features for large-scale financial data processing (Java, Spring Boot, React)

• Implement business modules for the investment fund market (ETFs, settlement-fee edge cases, payment reconciliation)

• Work on both new feature development and maintenance of a live production system, including incident handling and user support

Requirements

• 5+ years of commercial experience with Java (including Spring Boot)

• 5+ years of experience with React

• Experience with Docker

• Hands-on SQL knowledge and experience working with large databases

• Experience in Agile teams

• English B2+/C1 level as the main language of daily collaboration

• Readiness for hybrid work in Warsaw (1–2 days per week)

• Eligibility to work in Poland

Benefits

• Health and sports benefits tailored to your needs

• Speed Coaching: short sessions for new perspectives and solutions

• Sports training and an internal team, with opportunities to join competitions