Caspian One is hiring: Senior UI Developer in Poland

Senior Capabilities Consultant - UI/UX, Front-End Development and Product Design Contract Type: B2B Contract Duration: 6 month rolling contract with at least 2 years of work secured Rate: Up to 2,300 PLN per day (depending on experience and seniority) Location: Remote in Poland (only 1 day per month in-office initially) About the Opportunity Join a new team being established in Poland as part of an international expansion by a leading global financial institution. This is a rare opportunity to work on an in-house built pricing, execution, and trade processing platform for financial markets as part of a global development team. Key Responsibilities Work across all delivery stages from requirements gathering to post-release support Own and collaborate on technical design decisions Break down large projects into manageable tasks and coordinate solution delivery Build new functionality within existing coding patterns and architecture Coach other developers and participate in hiring processes Qualifications 7+ years of relevant development experience Expert-level skills in React, Redux, RxJS, NPM/Yarn, webpack, CSS, HTML Experience with CI/CD pipelines (e.g., Azure DevOps) Strong software design principles and knowledge of design patterns Ability to optimize performance of latency-sensitive systems Full-stack development capability (preferably with Java backend experience) Preferred Qualifications Financial markets domain knowledge Experience with TypeScript in enterprise environments Background in high-performance trading systems Previous experience in international banking or financial services What We Offer Competitive daily rate up to 2,300 PLN Long-term contract security with 2+ years of work already confirmed Remote-first working arrangement with minimal office requirements Opportunity to work on cutting-edge financial technology International collaboration with global teams Professional development through coaching and mentoring opportunities Ideal Candidate Profile Seniority level: Mid-Senior level Employment type: Contract Job function: Information Technology Industry: Financial Services and Investment Banking #J-18808-Ljbffr