Senior Front-End Developer (React)

Project Description: Building a trading platform for innovative international top-tier hedge fund from the ground up, comprising of front-office system for traders, pre-trade checks and analysis, intra-day positions management, order management and routing, risks and limits management, reports of trading activities, FIX connectivity, market data providers connectivity (e.g. Bloomberg B-pipe). Responsibilities: The Team is focused on the development and maintenance of various applications. The successful candidate will have considerable and proven experience in React, a good working knowledge of end-user and server-side data processing techniques, a good understanding of SDLC and agile development methodologies. Mandatory Skills Description: Bachelor’s degree in Computer Science, Software Engineering, or a related field Expert-level proficiency in React (or equivalent modern UI framework) with TypeScript/JavaScript Strong understanding of React UI design patterns and commonly used TypeScript/JavaScript patterns Proven experience with multiple global state management libraries (e.g. Redux, Zustand, MobX, Recoil, or similar) Strong passion for UI styling — deep knowledge of CSS, CSS-in-JS, and design systems Strong background in problem solving and debugging complex front-end issues Expertise integrating UI with backend services (REST APIs, WebSockets) (Opportunity for Poland-based candidates) Benefits: 💼 Tax-deductible costs on a contract of employment for all development roles 🔒 Stable employment based on an employment contract 🩺Private Medical & Dental care & Life Insurance 💰 Paid Referrals 🏋🏽 MyBenefit program (sports card, well-being program etc.) 🌎 Internal Mobility program - possibility of rotation between projects, locations, accounts 🎓 LuxTalent platform (webinars, training, courses)