Senior Front-End Engineer (React)

We're looking for a skilled, curious and passionate Senior Front-End Engineer (React) who wants to make a difference.

Poznan, Poland


Online since Feb 21, 2018

We’re looking for a Senior Front-End Engineer who will responsible for creating brand new product from scratch. You will be working with our top engineers and will be developing PWA applications based on React.js.

We’re a team of 4,000 ambitious, curious people building trading platforms that are used by hundreds of millions of people every month to buy and sell almost anything.



  • working on the product used in 10 countries
  • developing and maintaining service with 8 billion page views per month
  • participation in expert groups and work on specific technical challenges
  • access to developers working in other offices - Lisbon and Berlin
  • troubleshoot performance

Required skills:

  • solid knowledge of JavaScript (ES6),
  • extensive experience in various front-end frameworks - strongly prefered is React.js,
  • knowledge of Flux architecture ex. Redux, 
  • experience with Service Workers / PWA,
  • experience with Server Side Rendering and node.js development is a big pros,
  • experience with webpack / docker,
  • experience in testing (unit tests/e2e),
  • strong knowledge of rendering performance (caching + browser processing)
Our stack:
  • currently, we are switching to the new tech stack. Infrastructure base on dockers in AWS.
  • our front-end is based on ES6, React.js, Redux with redux-saga

What we offer:

  • salary: 10000-14000 PLN gross
  • annual bonus: 15%
  • unique opportunity to become a part of an international team of top engineers learning from one another and contributing to the global OLX success, based in Poznań
  • working with and impacting all OLX websites around the world
  • training and conference budget
  • benefit package
  • relocation support