The MongoDB Customer Observability Team is a diverse group of contributors working together to help our users manage MongoDB at global scale…
Senior Software Engineer
Skills & Technologies
Job Description
Our Database Experience (DBX) Team
The Database Experience team builds the libraries and tools that developers use day-to-day working with MongoDB. Our mission is to increase developer adoption, satisfaction and retention by providing a reliable, enjoyable interface for developers and other end-users.
Our senior engineers are typically specialists in a particular programming language, but are capable of contributing to projects in other languages as well.
For this role, we're looking for someone who enjoys designing, writing, and supporting open source libraries for developers using MongoDB and who is passionate about increasing the use of MongoDB within the .NET/C# community. This is an opportunity to make a major strategic impact at MongoDB through the .NET ecosystem which garners almost half a million daily downloads.
You might be right for this role if you…
Advocate for testing and agile development best practices
Can make pragmatic design tradeoffs while balancing features, maintainability, and delivery time
Are fascinated by, and have experience working with concurrency, parallelism and distributed systems
Communicate well, internally and externally, both in writing and face-to-face
Enjoy collaborating with and elevate the skills and expertise of those around you
Are excited about open source software development and communities
Are excited by our mission and values
For this role you must have…
Have 5+ years of experience writing high-quality software
Have substantial, demonstrable experience writing high-quality software in C#
Proficiency in data structures, algorithms, networking, and concurrent programming
Experience with databases, relational or non-relational
Good written and spoken English communication skills
It helps if you have…
Experience contributing to open source projects
Familiarity with the latest .NET frameworks and modern .NET paradigms such as ASP.NET Core, .NET Aspire, Native AOT, source generators, spans/memory
Experien
Company & Role Analysis
JobSeeker+Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.
£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)
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