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Senior Frontend Engineer (React)
  • Warsaw
Senior Frontend Engineer (React)
Warszawa, Warsaw, Masovian Voivodeship, Polska
ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
23. 2. 2026
Informacje o stanowisku

technologies-expected :


  • React.js
  • JavaScript
  • HTML
  • CSS
  • Node.js
  • Git

about-project :


  • We are looking for a Senior Frontend Engineer to take ownership of the frontend architecture and drive the development of scalable, high-performance web applications in an Agile product-oriented environment. This role involves hands-on engineering combined with leadership and decision-making on architectural matters.
  • Youll collaborate closely with product and engineering stakeholders to define frontend standards, ensure technical consistency, and drive the long-term evolution of the platform.

responsibilities :


  • Define and develop the frontend architecture across web applications.
  • Drive the technical direction of frontend development and mentor junior engineers.
  • Design and build scalable Single Page Applications using React.
  • Ensure code quality, performance optimization, and maintainability through best practices.
  • Collaborate with Product Owners, architects, backend engineers, and QA.
  • Review technical solutions and contribute to key architectural decisions.
  • Identify and resolve performance bottlenecks and stability issues.
  • Contribute to the entire development lifecycle, from concept to production.

requirements-expected :


  • 7+ years of frontend development experience.
  • Proven track record in a technical leadership role (guiding and mentoring engineers).
  • Strong expertise in React and modern JavaScript (ES6+), with 5+ years of experience.
  • Experience building and maintaining SPA applications with state management.
  • Solid understanding of HTML5, CSS3, and responsive design principles.
  • Experience designing scalable and maintainable frontend solutions.
  • Familiarity with Node.js in frontend workflows.
  • Experience working in Agile environments with Git-based workflows.
  • Strong communication skills and ability to collaborate across teams.

offered :


  • A key technical role with real influence on architectural decisions
  • Work on modern scalable product solutions used by a broad user base
  • Collaborative Agile environment with cross functional teams

benefits :


  • sharing the costs of sports activities
  • life insurance

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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