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Salary
≈ $55k – $111k per year (Estimated)
Location
In office (Rotterdam)
Seniority
Principal · 6+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on May 12, 2026. Coolblue scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Coolblue is a Dutch online retailer headquartered in Rotterdam, selling consumer electronics, household appliances and other products through its web shops and its own physical stores. Founded in 1999, it runs its own warehouses, delivery vans, bicycle couriers and installation crews, operates in the Netherlands, Belgium and Germany, where it opened its first northern German store in Hamburg, and also sells energy contracts as Coolblue Energie. It hires TV and appliance installers, delivery drivers, warehouse workers, store sales staff and team leads, IT support, recruiters and product owners, with many roles requiring Dutch or German.
Backed by YES!Delft

What does a Team Lead C# at Coolblue do?

As a Team Lead C# you will bring a smile to the faces of our customers by delivering great software and building an effective team. Your level of soft skills enable you to inspire others with them, and effectively support team members in defining their goals, and the approach to achieve them. Want to become Team Lead C# at Coolblue? Read below to see if you fit the profile.

You enjoy doing this

  • Coach your team members on their technical and soft skills and provide them with feedback to help them get a little better every day.
  • Review code, promoting best practices and maintaining a high level of professionalism and a pragmatic culture.
  • Solve problems by using accepted best practices and principles such as TDD/BDD, SOLID and design patterns.
  • Lead from the front. You guide by example, not just by words.
  • Money.
  • Over 30 training courses at our own Coolblue University.
  • Travel allowance and a retirement plan.
  • 25 leave days. As long as you promise to come back.
  • Travel allowance, a pension plan and where-you-work-money.
  • A discount on all our products.
  • Relocation assistance: from A to Z. We will make sure it goes well and give full support.
  • An extraordinarily good work environment with colleagues from all over the world who make you happy, epic Coolblue parties,pubquizzing, and other activities.
  • Room for new initiatives and ideas. We’re always open to those, whether you’ve been with us for a week, a month, or a year.
  • A job at one of the fastest-growing companies in the Benelux.
  • A picture-perfect office at a great location. You could crawl to work from Rotterdam Central Station. Though we recommend just walking for 2 minutes.
  • At this moment we have a hybrid way of working: a combo between working from home and at the office. Of course we take care of a home office supplies. Including a desk chair, laptop and blue colored decoration.
  • You have over 6 years work experience as a C# developer and get bonus points if you have experience with PHP and/or front-end technology such as React or Javascript.
  • You have leadership experience and strong people management skills
  • You have experience with giving feedback, motivating and coaching developers with their technical and soft skills..
  • You are able to balance architectural and business value and can actively promote reducing technical debt while delivering value.
  • Scrum/Agile comes naturally to you.
  • You have experience with different types of data stores such as Oracle, or AWS.
  • You have worked in teams with different nationalities.

As Team Lead C# at Coolblue, you’re responsible for establishing and overseeing a team that continuously grows.

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