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Backend Developer TypeScript - 36-40 hours

As an experienced Backend Developer TypeScript, you will optimize crucial parts of our website. You know your way around PHP, but your true superpower lies in setting up and maintaining microservices in TypeScript. You make colleagues happy by improving internal tools. This gives them everything they need to provide our customers with the very best service.

Employer
Coolblue
Location
Rotterdam City, Rotterdam, ZH
Pay
€14.99/hour
Hours
36-40 uur
Language
Dutch only
Apply method
Coolblue website
Posted
29 Jun 2026
Open until
Not listed

As an experienced Backend TypeScript Developer, you will optimize crucial parts of our website. You know your way around PHP, but your real superpower lies in setting up and maintaining microservices in TypeScript. You make colleagues happy by improving internal tools. This gives them everything they need to provide our customers with the very best service.

What do you do as a Backend TypeScript Developer at Coolblue?

At Coolblue, you will be part of a close-knit, multicultural team of 3-7 developers as an experienced Backend TypeScript Developer. In our agile playground, you and your team are the masterminds behind the development of cool website features and the microservices that power them. You regularly brainstorm with our Customer Journey Specialists and UX/UI Designers to create solutions that truly blow our customers away. Every day, you review pull requests, conduct code reviews, and work with your teammates to produce beautiful and highly efficient code.

  • Impress with your efficient and elegant TypeScript code.
  • Write automated tests, such as unit tests, integration tests, or end-to-end tests.
  • Work in a cloud environment with AWS services such as Lambda, SNS + SQS, DynamoDB, S3, and CloudFront.
  • Solve problems using SOLID principles and design patterns for the best code quality.
  • Build microservices that work together seamlessly.

This sounds like you

  • At least 5 years of experience with TypeScript. Experience with pure/vanilla PHP is a plus.
  • Have a BSc or MSc, for example in Computer Science.
  • Ready to further develop your technical and soft skills while guiding your colleagues and helping them grow.
  • A hero at automating recurring tasks and integrating them seamlessly into CI/CD systems.
  • You live in the Netherlands.

This is what else you are looking for in a job

  • Money.
  • An international environment with colleagues from the Netherlands, Belgium, Spain, Brazil, Mexico, Italy and more.
  • An unbelievably great working atmosphere. We treat each other like friends, and you can simply be yourself.
  • Monthly drinks, freshly prepared bites, legendary Coolblue parties and the best team activities.
  • A great combination of working at the office and from home. Of course, we make sure you have a great workspace at home. Including an office chair, laptop and blue streamers.
  • Plenty of room for your own ideas, initiatives and choices. You do your work your way.
  • Travel allowance, pension plan and an allowance for working from home.
  • 25 vacation days. If you promise you'll come back.
  • An office you will want to take photos of in a top location. From Rotterdam Central Station, it's 3 falls before you get there. Okay, it's a 2-minute walk.
  • More than 100 training courses at our own Studiefabriek to get a little better every day.
  • Discount on everything we sell.