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September 18, 2026
Senior Frontend Developer (React)
Senior • On-site
Warsaw, Poland
Quick Facts
Role: Senior Frontend Developer (React)
Focus: Building and maintaining a modern React frontend application for investment fund order processing
Description
Develop and enhance a React (v18+) frontend application supporting investment fund order processing. Implement new business requirements, improve existing functionality, and support release preparation, stabilization, and production deployments. Provide ongoing application support by troubleshooting issues, resolving defects, and improving code quality and framework dependencies.
Responsibilities
Develop and enhance a modern frontend application for investment fund order processing
Implement new business requirements and improve existing functionalities
Support release preparation, stabilization, and production deployments
Troubleshoot and resolve defects; ensure reliable day-to-day operations
Improve code quality, address vulnerabilities, and keep framework dependencies up to date
Collaborate with Backend Developers, Business Analysts, Test Engineers, and business users
Participate in Agile ceremonies (backlog refinement, sprint planning, reviews, and production support)
Requirements
Hands-on experience with React.js (v18+)
Very good knowledge of TypeScript
Experience with React Query
Practical experience with React Testing Library
Knowledge of Material UI and Tailwind CSS
Experience with React Hook Form and hook-based programming
Strong troubleshooting and problem-solving skills
Good communication and collaboration skills
Experience working in Agile teams
Benefits
Full-time employment contract
Stable and long-term cooperation; hybrid work model (Warsaw/Tricity/Łódź)
Clearly defined career path
Possibility of relocation within local branches
Opportunity to join another project after project completion
Onboarding and support with a dedicated Competences Manager
Medicover healthcare and dental care; Medicover Benefits platform; sports card
Newborn welcome package
Group life insurance and pension program
Access to certifications (e.g., Google, ISTQB), industry events, and a Knowledge Sharing Program
Options for B2B or contract (UZ)
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