> Markdown version of [/jobs/ext/4099069-developer-c](https://www.wearedevelopers.com/jobs/ext/4099069-developer-c). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Developer C# - **Company:** Coolblue B.V. - **Location:** Rotterdam, Netherlands (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Multitier Architecture, Agile Methodology, Automation of Tests, C Sharp (Programming Language), Software Quality, Software Design Patterns, Amazon DynamoDB, Github, MySQL, Oracle (Applications), Pair Programming, Scrum Methodology, Datadog, Data Logging, Data Storage Technologies, Information Technology - **Published:** October 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=74dc5de6e9d2140f ## About the Role * You have at least 3+ years' experience as a developer at medior level or 6+ years' experience at senior level. * You have a Bachelor's or Master's degree in Computer Science or a comparable field. * You feel completely at home working with Scrum/Agile. * You speak English very well. ## Description As a Developer, you and your team are responsible for maintaining and developing products that support your domain. You do this by writing well-maintainable, testable and future-proof code. You also regularly take part in brainstorming sessions about user experience, data and task flow with the UX Designer, Product Owner and Data Scientist in your domain. Want to become a Developer at Coolblue? Read on to find out whether it's a good fit for you., * Solving problems with the best practices and principles we have embraced, such as Clean Architecture, TDD/BDD, SOLID and design patterns. * Writing automated tests so you know your software quality is on point. * Working with different types of data storage, such as Oracle, MySQL and DynamoDB. * Taking ownership of the solutions within your domain's portfolio by resolving challenges on time using logging and monitoring in Datadog. * Sharing knowledge through mentoring and pair programming sessions and adding constructive comments to colleagues' pull requests in Github. * Having the space to continue developing yourself and deepening your knowledge of the latest technologies. * Giving and receiving constructive feedback. * Presenting deliverables during sprint demos.