C# Developer

Rotterdam, NetherlandsCompetitiveOn-siteFull-time0 applicants

About this role

Money. Monthly drinks, freshly made food, legendary Coolblue parties , and the greatest team activities . A nice combination of working at the office and from home. Of course, we'll make sure that you have a great home office. Including desk chair, laptop, and blue garlands. Plenty of room for your own ideas, initiatives, and choices. You do your work in your own way. Travel allowance, pension plan, and an allowance for when you work from home. 25 vacation days. If you promise to come back. A discount on all products we sell. An office you want to take photos of at a great location. It takes only 3 jumps from Rotterdam Central Station to get there. Or a 2-minute walk. More than 30 courses in our own Coolblue University to become a little bit better every day.

At least 3+ years (medior) or 6+ years (senior) of experience as a C# developer. You have a Bachelor's or Master's degree in Computer Science or a comparable field. Good experience with software architecture and building application in .NET 8.0.  You have experience with Web API or MVC (REST and GraphQL) in .NET. Knowledge of designing, setting up, and maintaining cloud-native microservices, preferably in AWS. You're very familiar working with Scrum/Agile. Experience with front-end development (React), JavaScript, HTML5, and CSS is a plus. Being able to automate and implement repetitive tasks in a CI/CD platform. Experience with Teamcity is even better. You speak English very well

Together with the developers from your team, you design, realize, and maintain the software that brings a smile to the faces of your colleagues and our customers.

EU Requirements

Job Details

Posted23 March 2026
Closes22 April 2026
Job TypeFull-time
Work ModeOn-site

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