JavaScript Developer

  • IT
  • Louvain la neuve, Belgium

JavaScript Developer

Job description

ABOUT QUALIFIO

Qualifio is Europe's most powerful online platform to engage digital audiences and collect data by creating and publishing viral interactions on websites, mobile apps and social media.

Qualifio is one of the fastest-growing Belgian software start-up, ranked #10 in Deloitte Fast50. More than 400 publishers and brands are users of Qualifio, including RTL, RTBF, De Persgroep, Mediahuis, VRT, Medialaan, France Télévisions, Nestlé, L'Oréal, Kinépolis, Orange, MediaMarkt, etc.


At Qualifio we believe people can only achieve big things by having a great team to work with!

We have offices in Louvain-La-Neuve (HQ), Paris, Amsterdam, Madrid and have a headcount of 80 employees.

We are currently looking for talented developers with the right mindset and motivation to join our IT squads. Our Engineering teams at Qualifio are working in an Agile development workflow. Working with us you will be part of an "Agile Squad" team using Scrum.

Here are some challenges you will work on by joining us

  • Helping us finalizing our transition to a full micro-services architecture
  • Designing systems able to sustain thousands of requests per seconds
  • Integrating with new partners and client to make Qualifio a key element in their data value chain
  • Optimizing the performance of the system and the rendering of web pages
  • Maintain the high level of security our clients expect us to deliver
  • Writing, testing and documenting clean code
  • Creating micro front-end application with React
  • Reducing our feature time to production

By working on resolving these challenges, you will not only participate in revolutionizing the way Qualifio works but also explore the inner depths of different soft and programming skills. If you are looking to find a job where you can express your creative mind while working on very practical technical challenges, stop your job search now and apply to work with us.

Job requirements

What we are looking for

Our dev stack includes a lot of JavaScript & TypeScript with React and Node.js for the latest applications but we have some legacy components written in Coldfusion. We use a mix of relational and NoSQL datastore as well as a messaging platform. Docker and Kubernetes is of course a central piece of our full-cloud infrastructure.

Previous experience with these languages and technologies is a plus but not mandatory. If you are able to demonstrate your commitment and skills, we will be happy to meet you!

The perfect candidate must be comfortable working on the full stack across a range of languages and frameworks, be able to get his or her hands dirty and be proud of the produced code.


Skills And Qualifications

  • Fluent in English. Good knowledge of French is a strong asset.
  • Strong proficiency with JavaScript and TypeScript
  • Knowledge of Node.js and frameworks available for it such as Express or Koa
  • Understanding the nature of asynchronous programming, its quirks, and workarounds
  • User authentication and authorization between multiple systems, servers, and environments
  • Proficient understanding of code versioning tools, in particular Git
  • Performance and latency awareness
  • Implementing automated testing with Cypress and unit tests with Jest
  • Notion of accessibility and data privacy compliance (GDPR)

What we offer

We offer the possibility to work at the heart of data & digital strategies, serving a portfolio of very prestigious brands and clients.

If you seek a professional environment where:

  • You have a unique chance to demonstrate your full talents
  • Your coworkers are passionate and demanding but do always keep the fun and humor at the top of the priority list
  • Autonomy and willingness to improved is highly value
  • Learning and teaching is a daily routine
  • We favour pragmatic, no-nonsense solutions
  • Your work-life balance can evolve with you

You'll feel at home with us !

Get in touch

If you think you could do a great job at Qualifio, fill in the form below and let us know what motivates you to be part of the adventure! In case you did not find the position of your dreams on the list, but want to join our project, reach out anyway - we will be very happy to have a chat!