Senior Front-End Developer w Gdańsk, Polska

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.

Skills

Must have

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)

Nice to have

-Experience with ag-Grid for high-performance data table rendering

Familiarity with React Query (TanStack Query) for server-state management

Experience with https://jobeax.com/link/JSd7UYCSg572jJDY and/or NestJS for backend or full-stack work

Familiarity with AWS and CI/CD pipelines

Other

Languages

English: B2 Upper Intermediate

Seniority

Senior