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Core Developer - Creetion

As a core developer, you are working with various tools to realize solutions for customers. You work in a project team where you work together on a total solution. With your skills, you guarantee quality and efficiency at the highest level. Together with your colleagues, you work on projects with diverse customers. You are involved in the design and implementation of the solution. You are working on various solutions, from front-end to integration, back-end and process orchestration. In the team, the specializations will differ, but everyone can assist where necessary. You work with 'Cutting Edge' technology and have a prominent voice in tool choice. We work both with open source and commercial products.

Creetion is a high-end IT service provider with a strong focus on SAP, Outsystems and Flowable technology, process orchestration, business process management and IT architecture. We have been active since 2008 and have continuously grown while retaining our focus. Our organization is open and transparent. We believe in creativity: those who have a good idea must also get the space to realize it. That makes Creetion an ideal environment where talent can develop. And because Creetion rapidly grows, we can offer plenty of opportunities to inspire colleagues who combine their state-of-the-art knowledge with collegiality and customer focus. In addition to an excellent fee, we consider the ability to make a difference in your field. The success of Creetion comes from the ideal mix of best-in-class expertise, high-quality consciousness, a "can do" mentality, and enthusiasm. If you recognize yourself in this profile, respond to one of our vacancies and convince us of your knowledge, experience and ambitions.


Creetion has an extensive package of primary and secondary benefits. We also offer you a large amount of opportunities to further develop yourself.


  • Market-based basic salary
  • Reward for skills, experience and competencies, not for age
  • Good lease arrangement with stimulating environmental premiums
  • No contribution for private use for lease car (only additional tax)
  • Collective insurance & pension scheme
  • Ample development budget


  • Energetic working environment with many innovative applications
  • Groundbreaking and stimulating corporate culture to develop yourself
  • On average at least one day a week non-billable activities
  • Generous betting bonus based on smoothed betting standards
  • Additional bonus based on added value and personal development


  • HBO or WO degree.
  • Minimum 2 years of relevant work experience.

Experience with one or more of the following tooling:

  • Javascript
  • Up to date; knowledge of async patterns & classes

In addition, you have knowledge of the essential knowledge areas below:

  • Integration; REST & SOAP
  • Agile development,
  • Source control

Experience and knowledge of one of the points below are an advantage:

  • NodeJs
  • BPMN
  • MongoDB & Mongoose
  • Relation databases
  • Fastify
  • CI/CD with Gitlab
  • Authentication (OAuth, SSO)