Open-Source Software Engineer - .NET / C#

    • Flexible / Remote
    • Paris, France
    + 1 more

About Datadog: 

We're on a mission to build the best platform in the world for engineers to understand and scale their systems, applications, and teams. We operate at high scale—trillions of data points per day—providing always-on alerting, metrics visualization, logs, and application tracing for tens of thousands of companies. Our engineering culture values pragmatism, honesty, and simplicity to solve hard problems the right way. 


The opportunity: 

Datadog is building a world-class APM product that traces requests as they flow across complex systems. We are looking for an expert C# developer who can help push our tracing tools to the next level. Come and join us to build amazing open source software. 


You will: 

  • Write open source code that instruments thousands of C# applications around the world. 
  • Drive our open source C# projects and engage with the community to find and address the most important challenges. 
  • Join a great team building software the right way. 



  • You’re a master C# programmer. You've written high-performance, concurrent applications leveraging the Task Parallel Library and squeezed every bit of performance from your system. You've written piles of clean, correct, well-tested, performant, idiomatic C# code. 
  • You are a great community ambassador and can drive hard technical conversations towards a good solution. 
  • You have solid experience with widely used frameworks and libraries like Asp.NET, ServiceStack or NancyFx. 
  • You want to work in a fast, high growth startup environment. 
  • You have a BS/MS/PhD in a scientific field. 


Bonus points: 

  • You have significant experience with Python, Go or C++. 
  • You have experience with code telemetry and introspection. 
  • You have debugged your managed code with WinDbg or the Profiling API to write your own CLR profiler.

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