Fullstack React/Java Developer Greenfield project
Infotree Global Solutions · Hybrid, Warsaw, PL
Posted Jun 8, 2026
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About the job
🚀 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