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Senior Software Engineer (React)
  • Warsaw
Senior Software Engineer (React)
Warszawa, Warsaw, Masovian Voivodeship, Polska
INNOVECS POLAND SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
12. 6. 2025
Informacje o stanowisku

technologies-expected :


  • JavaScript
  • TypeScript
  • React.js

technologies-optional :


  • Microsoft Azure

about-project :


  • Team communication: Ukrainian

responsibilities :


  • Design, build, and maintain high-quality, scalable, and reusable React components.
  • Collaborate with back-end developers and designers to integrate APIs and deliver seamless user experiences.
  • Ensure cross-browser compatibility and mobile responsiveness.
  • Identify front-end performance bottlenecks and implement optimizations.
  • Continuously improve application speed, responsiveness, and accessibility.
  • Implement lazy loading, code splitting, and other advanced performance techniques.
  • Translate design mockups and wireframes into high-quality code.
  • Work closely with UI/UX designers to bring interactive interfaces to life.
  • Conduct peer code reviews and provide constructive feedback to team members.
  • Follow best practices in code organization, testing (unit/integration), and version control.
  • Contribute to the evolution of front-end architecture and tooling.
  • Collaborate with product managers and stakeholders to define and deliver product requirements.
  • Proactively suggest and drive improvements to front-end processes and developer experience.
  • Contribute to design systems and component libraries.
  • Support CI/CD efforts for front-end deployments.
  • Stay current with front-end technologies and trends and advocate for their adoption when appropriate.

requirements-expected :


  • Bachelor’s degree in Computer Science, Engineering, or a related field.
  • Minimum of 4 years of experience in front-end development, with a strong focus on React.
  • Proven experience building and maintaining complex web applications.
  • Experience working in cross-functional teams with designers, back-end developers, and product managers.
  • Expert-level knowledge of JavaScript (ES6+), TypeScript, and React.
  • Solid understanding of front-end architecture, design systems, and component-driven development.
  • Experience with state management libraries (e.g., Redux).
  • Familiarity with RESTful APIs.
  • Strong knowledge of HTML5, CSS3, and modern pre/post-processors (e.g., SASS, PostCSS, Styled Components).
  • Experience with unit testing and integration testing (e.g., Jest, Testing Library).
  • Familiarity with build tools and bundlers (e.g., Webpack, Vite, NX Monorepository).
  • Experience with version control systems like Git.
  • Strong analytical thinking and problem-solving capabilities.
  • Ability to optimize front-end performance and troubleshoot complex UI issues.
  • Experience debugging across different browsers and devices.
  • Excellent written and verbal communication skills.
  • Ability to translate business and user requirements into technical solutions.
  • Strong collaboration skills and ability to give and receive constructive feedback in code reviews.
  • Experience working in Agile/Scrum environments.
  • Understanding of CI/CD pipelines and front-end deployment processes.
  • Passion for creating clean, maintainable, and accessible code.

offered :


  • Personalized benefits based on your preferences.
  • Diversity of domains & businesses.
  • Flexible working mode in hybrid teams.
  • Opportunity to work from home, office or whenever you want to.
  • Company events and team activities.
  • Mentorship Program and Individual Development Plan.
  • English classes to take your speech and writing to a new level.
  • Global certification preparation program (AWS, ISTQB, Unity, Scrum, etc.), and comprehensive online courses on Udemy, Educative, Pluralsight, edX.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • remote work opportunities
  • flexible working time
  • integration events
  • employee referral program

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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