progressive startup in search for


(Sr.) Backend Software Engineer


At Seenons we are working hard to get 100.000 SMEs residual waste free by 2025. In order to enforce our circular mission, we are on the look-out for a (Senior) Backend Software Engineer.
Please read more about our challenge on (in Dutch). 

Direct response

Do you recognise yourself in the following

You have a bias for action, desire for ownership and eye for detail.
You like to move fast, while designing with the long-term goal in mind.

As a backend engineer at Seenons, you will lead (and own!) the implementation of the backend infrastructure. This entails building on an existing foundation, improving workflows and optimising processes. While also building new backend infrastructure required, as we expand the capabilities of the platform. You get a strong voice in how we build, and get to own what you build!

You literally help to keep track of waste and what is made from it.

Your responsibilities

  • Design, develop and test backend APIs used for our ordering and logistic clients
  • Develop and improve the existing microservices infrastructure, with an eye on scalability and security
  • Design and implement testing strategies
  • Design and implement CI/CD pipelines for infrastructure and code
  • Work closely with the wider team to embrace new challenges and requirement pivots, as we continue to grow and adjust priorities

Your Qualifications

  • +3 years professional software development experience with JavaScript and TypeScript
  • Professional experience in designing and implementing distributed systems, microservices and cloud architectures on AWS (ECS, Fargate, VPS, ALB, … )
  • Skilled in CI / CD automated deployment and monitoring through Docker, ECS, or similar
  • Experience with any of the following is a plus:
    • networking fundamentals on AWS (incl. VPS, DNS, subnetting, route tables, firewalls)
    • hands-on experience with Java, Go, Python and/or Rust

At Seenons, the company culture is very important to us. We are looking for an open-minded, driven, communicative, team-player to join us.

What do we offer?

  • A modern startup w/ all the perks
  • A young dynamic work environment, where your ideas are valued
  • Competitive salary
  • An office that complies w/ all the RIVM demands (Covid-proof)
  • The chance to be part of the early days of a fast growing startup, with the ability to contribute to a better world


Help us evolve the technical backbone of Seenons, to enable us to build the platform for the circular economy! Apply now!