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April 8, 2026

Senior Frontend React Developer

Senior • Remote

130 - 150 USD

Warsaw, Poland

We are looking for a Frontend React Developer for our client – a global technology consulting company focused on data, analytics, and cloud-based solutions, supporting international organizations in building scalable digital products.

They operate in a distributed environment, combining strong engineering practices with a business-oriented mindset to deliver impactful solutions across multiple industries.

Your responsibilities

  • Build and enhance modern web applications using React and Next.js

  • Create reusable components and contribute to scalable frontend architecture

  • Work closely with cross-functional teams including backend engineers, data specialists, and product stakeholders

  • Improve performance, security, and overall user experience of applications

  • Connect frontend layers with APIs and cloud-based services

  • Maintain high development standards through testing and clean coding practices.

Requirements

  • At least 5 years of hands-on experience with React in commercial projects

  • Strong command of JavaScript and TypeScript

  • Practical understanding of React fundamentals, including hooks, routing, and state management solutions

  • Experience working in distributed systems or microservices environments

  • Exposure to cloud platforms (GCP experience is an advantage)

  • Background in developing scalable applications that consume REST APIs and work with JSON data

  • Solid grasp of core programming concepts such as data structures and algorithms

  • Good knowledge of HTML and modern CSS approaches (e.g. Tailwind, SASS, CSS Modules, or similar tools)

  • Experience with automated testing (unit, integration, and end-to-end)

  • Ability to debug and optimize applications using browser developer tools

  • Experience in building responsive and user-friendly interfaces across devices

  • Strong communication skills and experience working in collaborative, distributed teams

  • Self-driven approach with a strong sense of ownership

  • English proficiency at B2 + level or higher.