Rotterdam
14 Apr 2026

C# Developer
Coolblue
Rotterdam
14 Apr 2026
C# Developer
C# Developer role at Coolblue in Rotterdam, focusing on designing, developing, and maintaining software using C# .NET 8.0 and AWS. Requires 3+ years of experience for medior or 6+ years for senior level, with a degree in Computer Science. Offers a hybrid work model, competitive benefits, and a collaborative international environment.
HybridFull-timeMid LevelC#.NET 8.0
C# Developer
C# Developer role at Coolblue in Rotterdam, focusing on designing, developing, and maintaining software using C# .NET 8.0 and AWS. Requires 3+ years of experience for medior or 6+ years for senior level, with a degree in Computer Science. Offers a hybrid work model, competitive benefits, and a collaborative international environment.
HybridFull-timeMid LevelC#
Salary
Not specified
Core Qualifications
Technical (Must-have)
C#.NET 8.0Web APIMVCRESTGraphQLmicroservicesAWSScrumAgile
Soft Skills
communicationteamworkmentoringproblem solvingownershipfeedback
Tools (Must-have)
OracleMySQLPostgreSQLDynamoDBGithubTeamCityDatadog
Preferred Qualifications
Technical (Nice-to-have)
ReactJavaScriptHTML5CSS
Key Responsibilities
- Design, realize, and maintain software
- Write maintainable, testable, and future-proof code
- Participate in brainstorm sessions on user experience, data, and task flow
- Solve problems with best practices and principles like Clean Architecture, TDD/BDD, SOLID, and design patterns
- Write automated tests
- Work with various types of data storage
- Show ownership over solutions by solving challenges with logging and monitoring in Datadog
- Share knowledge through mentoring, pair programming, and pull request comments
- Keep developing and delve into latest technologies
- Give and receive constructive feedback
- Present deliverables during sprint demos
C# DeveloperComputers and Electronics ManufacturingEngineeringInformation TechnologyC#.NETAWSMicroservicesAgileHybrid