Senior Frontend Developer

Leuven, Belgium.


How you'll make a difference

We are looking for an experienced front end developer to help us meet our ambitious growth objectives in the online video industry. As a front end developer, it will be your responsibility to build and improve the customer experience when managing and deploying THEOplayer. You will analyse requirements, design interfaces, influence architecture and develop features that make the usage of THEOplayer video playback solutions and platform easier for our customers. For these tasks, you will be in direct contact with the product team and collect feedback from customers.

We value proven experience, prior success, intelligence and work ethic.

Duties & Responsabilities

  • Be part of a highly innovative R&D team;
  • Improve architecture and functionality of THEOplayer video playback solutions and the THEOplayer platform;
  • Work on the customer facing software platform where customers can manage and customize player configurations;
  • Identify where user experience can be improved and handle these requirements accordingly;
  • Optimize usability flows;
  • Be proactive at maintaining and improving the code base and functionality;
  • Make clever use of technology;
  • Contribute to improving our development processes and environments;
  • Bring your experience and ideas to advance our company's vision for the future;

Desired Skills & Experience

  • To be a passionate and genius coder.
  • Have excellent knowledge and +5 years of experience using JavaScript, HTML, CSS and NodeJS.
  • Experience in the design of user flows and have decent insights in user experience.
  • Knowledge of good software architecture.
  • Healthy brains with technical insights.
  • Strong analytical, critical thinking and problem solving skills.
  • A outstanding portfolio of software developed in the past.
  • Ability to work individually as well as in team.
  • Understand the dynamics of an international fast-growing scale-up.
  • Tons of energy, passion, humor and enthusiasm.
  • Strong communication and interpersonal skills: courteous, well spoken and polished.
  • Excellent written and verbal communication skills in English.
  • Knowing the online video industry is a plus.

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 you?

Please send your resume and cover letter to We look forward to hearing from you.

Looking for another opportunity at THEO Technologies? We also have the following openings: