Javascript Developer


Experience: 3+ years

We are looking for a passionate Javascript developer. If coding at scale is your passion, this would be your challenge and opportunity! Empowering 1B+ API calls, over 5000 web instances, over 75 cloud servers, complexity and scale that require both depth and attitude to build ‘scalable’ code base.

Klevu provides a ‘search-as-you-type’ experience on e-commerce sites. To deliver the awesome search experience, we have developed our own version of the javascript library (mainly developed in “Vanilla-JS”). And now, we would like to take our JS to next level and we need more hands :).


  • Architecture, re-design and develop new versions of Klevu JS
  • Provide JS related support to customers, implement new features and solve issues
  • Providing technical guidance and mentoring to other junior team members


  • Experience with at least one of the following JS frameworks: React, Angular, Vue.js or Ember.js
  • Excellent knowledge of Javascript (ES5, ES6), the DOM, HTML, CSS
  • Excellent understanding of OOP in Javascript
  • Excellent understanding of browser rendering behavior and performance
  • Proficient understanding of cross-browser compatibility issues and ways to work around such issues
  • Understanding of asynchronous request handling and partial page updates
  • Created at least one reusable module (private/public)
  • Excellent oral and written communication in English
  • A passion for writing quality code
Nice to have:
  • Experience with Javascript type checkers
  • Native or mobile web experience
  • UI design skills
  • Active GitHub profile

What we offer:

  • Being part of one of the most exciting search technology company from Nordics with global footprints
  • Work with a team in 3 continents (North America, Europe, Asia)
  • Excellent work culture, hands-on, result oriented
  • Good salary and flexible hours

About Klevu

Klevu, founded in 2013, hails its roots from Finland, the country of a thousand lakes and white lilies. We are a small, nimble, and diverse team, comprising people from three continents who speak more than seven languages.

Klevu is an advanced eCommerce site search solution, utilising natural language processing and self-learning capabilities to deliver the most relevant search experience for online stores. The majority of our existing customers are using the Magento eCommerce platform, which is something we’re looking to develop, while also expanding in other areas.

Klevu started out with a challenge to provide online retailers with the most contextually accurate eCommerce search results on the planet – connecting shoppers to the exact products they are looking for, regardless of the complexity of the query.

Apply Now

A valid email address is required.
A valid phone number is required.