C# Developer

What does a C# Developer at Coolblue do?

As a C# Developer, you're responsible for maintaining and developing products that support your domain together with your team. You do this by writing maintainable, testable and future-proof code. You also regularly participate in brainstorm sessions on user experience, data, and task flow with the UX Designer, Product Owner, and Data Scientist in your domain. Want to become a C# Developer at Coolblue? Read below if it suits you.

Our toolkit is packed with:

• Programming language: C# .NET 8.0
• Data storage: Oracle, MySQL, PostgreSQL en DynamoDB.
• Cloud platform: AWS
• CI/CD: Github en TeamCity
• Logging/Monitoring: Datadog

You enjoy doing this

• Solving problems with the best practices and principles that we've embraced, such as Clean Architecture, TDD/BDD, SOLID, and design patterns.
• Writing automated tests so you know that the quality of your software is on point.
• Working with various types of data storage, such as Oracle, MySQL, and DynamoDB.
• Show ownership over the solutions in the portfolio of your domain by solving challenges in time by logging and monitoring Datadog.
• Sharing knowledge by mentoring, pair programming sessions, and adding constructive comments to pull requests from colleagues in Github.
• Getting space to keep developing and to delve into the latest technologies.
• Giving and receiving constructive feedback
• Presenting deliverables during sprint demos

• 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.