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Middle Front End Developer (React)
  • Warsaw
Middle Front End Developer (React)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Risk
13. 11. 2025
Informacje o stanowisku

Company Description

RISK inc: An International iGaming Company Pushing the Boundaries of Entertainment

Who We Are: An international iGaming company specializing in identifying and fostering the growth of high-potential entertainment markets. With 600+ professionals in 20+ locations, we operate in 10 countries, serving over 300,000 customers.

We are looking for a Middle Front End Developer (React) to join our team.

Overview

We are a global-scale company with expertise in iGaming operations (sports betting, online casino), digital and affiliate marketing, tech solutions, and data analytics. We are looking for a Front End Developer to contribute to building and maintaining the client side of a web application using React 18.

Responsibilities

  • Development and maintenance of the client side of a web application using React 18.
  • Implementation of business logic with React Query.
  • Supporting and evolving project architecture, introducing best practices.
  • Working with multilingual support and localization (i18next).
  • Building responsive and accessible interfaces.
  • Integration of analytics services (GTM, Hotjar, Sentry).
  • Optimizing frontend loading speed and performance.
  • Participating in code reviews and collaborative technical solution design.
  • Collaborating with the backend team on API contracts.

Qualifications

  • 2–3 years of commercial development experience with React 18+.
  • Strong knowledge of JavaScript (ES6+) and TypeScript.
  • Experience with React Router v6, React Query (TanStack).
  • Familiarity with localization tools (i18next, react-i18next).
  • Ability to write reusable UI components.
  • Skills in optimizing React application performance (code splitting, lazy loading, memoization).
  • Knowledge of axios, API integration, and error handling.
  • Understanding of CI/CD principles and git-flow.
  • English at the level of reading technical documentation.

Nice to have

  • Experience writing unit tests with Jest, React Testing Library.
  • Experience with Styled Components or another CSS-in-JS library.

Benefits

  • Our Benefit Cafeteria is Packed with Goodies: Children Allowance, Mental Health Support, Sport Activities, Language Courses, Automotive Services, Veterinary Services, Home Office Setup Assistance, Dental Services, Books and Stationery, Training Compensation, and Massage.

Seniority level

  • Mid-Senior level

Employment type

  • Full-time

Job function

  • Engineering and Information Technology
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