C# Developer
Monkey and River B.V. · Amsterdam, Noord-Holland
- Location
- Amsterdam, Noord-Holland
- Work location
- Hybrid
- Posted
- Today
About the job
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C# Developer
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C# Developer
C# Developer
•
Hybrid, Software Developer
•
Development
We work with C# Developers to build secure, scalable and high-performance backend systems across a range of industries. This role typically requires a Bachelor?s degree in Computer Science or a related field, along with experience delivering production-ready applications using the .NET ecosystem.
What you could do with us
- Design and develop backend services and APIs using C# and .NET (6 and above)
- Build scalable, secure solutions for web and, where applicable, desktop applications
- Collaborate with front-end developers, QA engineers and DevOps teams to deliver complete solutions
- Write clean, maintainable code that follows SOLID principles and modern best practices
- Work with databases such as SQL Server or PostgreSQL using Entity Framework or Dapper
- Write unit and integration tests to ensure software reliability and maintainability
- Improve existing systems through refactoring, performance optimisation and automation
What we look for
- 2 or more years of experience in C# and .NET development
- Strong understanding of object-oriented programming and software design principles
- Proficiency with ASP.NET Core, RESTful API development and MVC architecture
- Experience working with relational databases and ORMs such as Entity Framework
- Familiarity with version control systems like Git, CI/CD pipelines and deployment workflows
- Strong problem-solving skills and the ability to debug effectively across systems
Why join us?
Opportunity for
career advancement
and skill development.
Competitive salary
and benefits.
Hybrid work policy
(2 days at the office,
3 days remote).
About the team
As a C# Developer at Monkey and River, you?ll join a backend-focused team that values clean architecture, performance and long-term maintainability. You?ll work alongside front-end developers, designers and QA engineers to build reliable systems that scale, integrate cleanly and deliver value across industries.
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Talent Network
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when this position becomes available!
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🎉
Application Received!
Thank you for applying to the Monkey and River x Momentum Life Insurance Hackathon 2025!
We’ll review your application and will be in touch.
Done
Thank You for Registering!
You’re officially booked to donate blood on
Wednesday, 9 July 2025
Anytime between 09:00 – 15:00
Monkey and River Offices, Eco Park, Centurion
If you have any further questions, feel free to call us on [phone removed] or email us at [email removed]
Done
Thank You for Registering!
You’re officially booked to donate blood on
•
Wednesday, 5 November 2025
•
Anytime between 11:00 – 14:00
•
Monkey and River Offices, Eco Park, Centurion
If you have any further questions, feel free to call us on [phone removed] or email us at [email removed]
Done
Monkey & River
Hackathon 2025
Please complete the form below to register for the Hackathon.
Fill out your details*
Blood Donation
Registration Form
Please complete the form below to register for the Blood Drive happening on Wednesday, 9 July 2025, at Monkey and River Offices, Eco Park, Centurion.
Fill out your details*
Got a question?
From Monkey and River B.V.'s own posting, which is always the source of truth. Apply there.