Fullstack React/Java Developer Greenfield project
Summary
Fullstack developer building a greenfield front-office trading platform for a financial services firm: React frontend plus Java (or Python) backend, REST APIs, modern CSS, Jest testing and GitLab CI/CD. Onsite in Warsaw, working alongside experienced engineers on business-critical trading applications.
We're Hiring: Full-stack Developer (React/Java) | Financial Services
You'll work alongside experienced engineers, building and enhancing business-critical applications used within a front-office trading environment. The platform processes significant trading volumes daily and plays a key role in the firm's success.
Requirements
- 4+ years of commercial frontend development experience
- 1–2 years of commercial backend development experience (Java or Python)
- Strong React (Hooks, Context API) and JavaScript skills
- Experience with modern CSS (CSS-in-JS, SCSS)
- Knowledge of design patterns, Jest, npm, CI/CD, and GitLab
- Experience building and consuming REST APIs
Nice to have
- AG Grid
- Cypress
- Understanding of UX principles
- Experience working in financial services or trading environments