SoftwareEngineer

THEO
Full-time, Hybrid Leuven, Flanders Art and Design Workers
Posted:
June 08, 2026
Location:
Leuven, Flanders, Belgium

Job Description

Your role

We are looking for an experienced JavaScript Developer to strengthen the development team at THEO Technologies. You help us lift the core of our THEOplayer product to a higher level by optimizing and implementing features, improving the architecture, writing tests and helping your peers improve their coding practices. You love the challenge of a technically complex product and believe that every challenge can be overcome by clean code, good architecture and teamwork. All our engineers are both specialists in certain domains and generalists in our technology. We are a growing company, which creates opportunities to constantly evolve and grow in your role.

What you'll learn and do

  • Tackle difficult challenges in TypeScript;
  • Be proactive at improving the THEOplayer code base, architecture and functionality;
  • You're a vibrant part of our team of passionate developers and help juniors to improve t...
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    Job Overview

    Job Type: Full-time, Hybrid
    Location: Leuven, Belgium
    Posted: June 08, 2026
    Deadline: July 18, 2026