Full-Stack Developer

Leuven, Belgium (Europe)



About THEO Technologies

THEO is a deep tech B2B company on a mission to shape the rapidly evolving online video landscape. The media industry that we have long known is rapidly changing. Media consumption patterns have shifted towards online video. As a company we provide high-impact media solutions for media companies around the world that enables them to offer exceptional video experiences on any device.

With our flagship product THEOplayer, used by tier 1 media companies worldwide, we are a recognised market leader in the video playback domain. The company has been awarded the European Streaming Media Reader's Award in the Video Player category for the last 5 years, confirming its game changing role.

THEO was awarded the Fastest Growing Technology Company in the Media and Entertainment Category in the Belgian Deloitte’s Technology Fast 50 Awards in both 2018 and 2019.

Our culture is based on trust, high performance and self-development where we believe in a more organic culture with the right balances and motivations.


Job Description

As a Full-Stack Developer with THEO Technologies, you will help shape the future of online video experience. One day you are creating user flows for our Developer portal (https://portal.theoplayer.com). Another, you are extending one of our microservices which is responsible for data ingestion. 

We are looking for someone who is not afraid of a challenge and who likes to work with multiple technologies (Node.js, React, PostgreSQL, RabbitMQ, …). Join our multidisciplinary team and let’s create user-friendly applications which are modular, extendable and well tested.

Duties & Responsibilities

  • Brainstorming, designing and developing new features or extending existing features.
  • Following up on our ci/cd pipelines and making sure everything runs smoothly.
  • Working closely with your teammates to define the right technical architecture.
  • Writing clean, readable and testable code is a number one priority.
  • Documenting your work, making suggestions for improvements, performing research and communicating clearly about your progress are equally important.
  • Working in an agile team where continuous improvement is key.

Desired Skills & Experience

  • 2+ years of experience as a software developer;
  • Bachelor’s in informatics, Master’s in computer science, …
  • It's a plus if you have knowledge and experience in using TypeScript, React, Nodejs & GraphQL and the ecosystem surrounding these technologies for building both front- and backend applications;
  • Experienced in common software engineering practices like version management, git, unit testing, code documentation, CI/CD, ...
  • Experience in test driven development and experience in setting up and using automated software testing solutions;
  • You’re a team player that knows when to work together and when to fly solo;
  • Experience in setting up and using cloud resources is a plus;
  • Experience in configuration and usage of relational and nonrelational databases can come in handy;
  • Experience in user interface design, and implementation using modern web standards is useful if you want to specialize in frontend development;
  • Experience and knowledge about implementing best practices for security concerns is a good skill to have;
  • Loving the challenges and atmosphere of a young and fast-growing company.

What We Offer

  • A versatile full-time job in the animated city Leuven.
  • A competitive salary with plenty of extra benefits.
  • The opportunity to work for an exciting start-up conquering the world.
  • A place to learn and get in touch with the cutting edge of online video.
  • The company itself is doing exceptionally well. For career-motivated people, there will be upward mobility.
  • A stimulating working environment.
  • Nice and passionate colleagues.
  • Flexible hours.
  • Regular and fun team activities.

Does this sound interesting to you?

Please send your resume and cover letter to careers@theoplayer.com. We look forward to hearing from you.

Looking for another opportunity at THEO Technologies?