Maximize your impact

About the Challenge

We are looking for a Development Engineer to own the technical design and development of cross-functional, multi-platform application systems. You’ll own the development and promotion of new DevOps tools to simplify the build process and entire continuous delivery pipeline. You will assure operational readiness of the staging platform and increase availability and visibility of the Staging CDN platform by reviewing and proposing improvements to the existing tooling and rule sets. Acting as a central support line for user complaints on CDN video delivery, you’ll review logs of servers/clients, perform root cause analysis of individual customer complaints and produce proposals for improvements.


Your skills

You are an independent innovator - working with an agile mindset, adaptability and decisiveness. You are empowered to roll up your sleeves and learn the ins and outs of our products and procedures to overcome possible roadblocks. You take pride in being customer-focused and quality-minded – continuously striving to deliver true value. You’re open-minded, a team player and enjoy collaborating with others on technology experiments and prototypes.

  • Helicopter view of the CDN market
  • Strong technical background on Velocix CDN
  • Proven track record in High and Low Level Designs on Velocix CDN
  • Strong foundation in: TV streaming, Video Container as Base Media File Format, Transport Stream, Video delivery via UDP, RTP, RTSP, HTTP Video transport over MPEG transport stream, HTTP Live Streaming, MPEG-DASH.
  • Natural interest in television & media content streaming technologies
  • Strong understanding of Digital Rights Management
  • Interest and ability in experimenting new protocols Experience in OTT video delivery with thorough understanding of CDN working.
  • Understanding of component such as Subscriber Management Systems, Content Management System, concept of Mediator and capability to understand Applications workflows.
  • Understanding of Storage Architecture and experience with different connectors: NFS, FTP.
  • Ability to understand and to develop basic script, knowledge of Bash, Python of similar Web tools.
  • Experience with LAMP
  • Experience in designing (Microsoft Visio) and ability to identify workflows across: IP Unicast & Multicast protocols / Dynamic routing protocols as ISIS, BGP, OSPF / Network routing & configuration / Firewall rules and policies / Load balancing technologies (F5, Viprion) / Network configuration based on NxOS IP & TCP services including DNS, HTTP workflows.
  • Fluency in English (French or Dutch optional)

Our offer

Exellys isn’t your typical recruiting or consulting agency. We are truly a category of one. We coach young tech talent and prime them for the professional world. After two years of receiving coaching and upskilling from Exellys, you’ll have the opportunity to work directly for a client that suits your skill set and interest. Think of us as your personal career coach.

Here’s what you can expect from us:

  • Do meaningful work. When you join us, you’ll work on purposeful projects that push the envelope of technology.
  • Benefit from a personal career coach. Ongoing development and learning is a core part of our DNA, and it’ll be part of yours, too.
  • Career mobility. After two years, you’ll have the opportunity to directly work for a client and grow your professional mobility.
  • We take care of you. We provide competitive compensation, benefits and more.

Ready to take on a high-impact role at a growing company? Bring your ambition and strong work ethic to a trusted company.

Key figures

  • 45%+ market share in Belgium
  • 1 million+ users reached via app

Company insights

More about this organisation

Come join one of the top telecommunication companies in Belgium. Proximus has a reputation for being a leader in digital product innovation and an employer of choice. As a trusted digital service provider, our client is focused on creating and delivering the best customer experiences through an easy-to-use ecosystem of digital apps, products and network solutions.

When you join, you’ll be part of a culture that supports employees, investing in training and development, digital upskilling and reskilling and diverse thinking.


  • Apply now
  • Become an Exellyst
  • Get lots of training
  • Get personal coaching
  • Become excellent

Go for gold. Be excellent

Maximize your impact. Get in touch.

Astrid Roest