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React Developer

React Developer

Intec SelectWarszawa, Województwo mazowieckie, Polska
2 days ago
Job description

This range is provided by Intec Select. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

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Overview

We’re partnering with a global financial institution to hire an experienced Senior React Developer to join their Front-End Engineering team in Warsaw. You’ll work within a distributed team of 40+ UI Developers across Europe and Asia, building complex, high-performance applications in a highly transactional banking and trading environment.

This is an excellent opportunity to contribute to a cutting-edge front-end platform using React, TypeScript, and RxJS, where performance, scalability, and real-time data handling are critical.

Key Responsibilities

  • Design and develop scalable, high-performance front-end applications using React and TypeScript.
  • Implement reactive programming patterns with RxJS to handle live, streaming, and transactional data.
  • Collaborate with global teams (engineering, product, and UX) to deliver complex front-end solutions in a fast-paced financial environment.
  • Ensure code quality through peer reviews, testing, and performance tuning.
  • Contribute to architectural discussions and front-end best practices.
  • Mentor junior developers and support continuous improvement across the team.

Required Skills & Experience

  • 5+ years’ experience building modern front-end applications with React and TypeScript.
  • Hands-on experience with RxJS or similar reactive programming frameworks.
  • Proven experience developing UI solutions for data-intensive, highly transactional systems (banking, trading, or similar).
  • Solid understanding of performance optimisation, state management, and component design.
  • Experience in agile teams and working with distributed / global teams.
  • Fluent English (both written and spoken).
  • Experience in front-office banking, electronic trading, or risk management systems.
  • Familiarity with Redux, MobX, or other state-management frameworks.
  • Exposure to GraphQL, WebSockets, or real-time data streams.
  • Knowledge of Storybook, CI / CD, and component libraries.
  • Package

  • 12 Month Contract
  • 1 day a month in Warsaw.
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    React Developer • Warszawa, Województwo mazowieckie, Polska