Senior Front-end Developer

Full-Time in Białystok, PL - Engineering team

Who we are?

We are inventors. We are creating the cutting-edge solutions every day using pure magic. We're an international, multicultural team with offices in Oslo and Białystok.

Who we are looking for?

As a Senior Front-end Engineer, you will work closely with Product Development and Engineering. We are looking for product people, who understand that technology is exciting only when it solves real problems.

Our Tech Stack:

  • ReactJS, TypeScript, CSS/SASS, styled-components, MST (MobX)
  • Figma, Sketch
  • Github, CircleCI
  • Jira, Slack, Google Apps
  • Node, Syncano, Cloudflare, AWS

Required Skills:

  • 4+ years experience in developing client web applications,

  • rock solid with core front-end technologies: HTML, CSS, JavaScript,

  • expert-level knowledge of JavaScript: you understand prototypical inheritance, scope, and closures,

  • excellent coding, designing, debugging, testing and problem-solving skills,

  • experience using JavaScript, on both the client and the server,

  • experience building web applications using REST services,

  • must have experience developing complex, semi-thick client-side web applications,

  • a solid understanding of the following concepts: modular development, functional programming, DRY, event-driven pub/sub architecture, closures,

  • thorough knowledge of how client applications communicate over HTTP to services located on different web properties.

Desired Skills and Experience:

  • You don’t need jQuery, at all!

  • experience in modern libraries and application frameworks like ReactJS,

  • Expert Chrome Developer Tools for debugging, live editing, performance evaluation, JavaScript profiling, etc.,

  • experience or familiarity with modern front-end tools like Compass, Sass, CSS frameworks, linters, JS libraries like Underscore/Lodash, Node, Webpack, GitHub, MobX,

  • ability to create robust web applications from visual concepts, wireframes, and interactive product design sessions,

  • experience in Agile development and open source projects is preferred,

  • a quick learner with excellent communication skills (English and Polish).


Competitive salary package: 7500 - 12500 PLN (monthly gross salary, UoP). Possibility for other cooperation forms as well.

  • working with an international team, for international clients,
  • amazing office in the centre of Białystok (Explorer HQ) with a ton of space,
  • possibility to work from home (on occasion or as needed),
  • great company trips and parties
  • a culture of trust, honesty, and efficiency. We firmly believe in GSD (getting stuff done) with open transparency and honesty,
  • unlimited vacation policy,
  • we work with the best technologies out there.

Apply Below To Join Us In Our Białystok Office!