Senior Software Engineer – .NET APM

What You’ll Do

• Build and maintain .NET application instrumentation using OpenTelemetry.

• Implement distributed tracing, metrics, and logging for .NET applications.

• Develop and enhance auto-instrumentation using CLR Profiler and .NET diagnostics APIs.

• Build custom instrumentation for frameworks, libraries, databases, and messaging systems.

• Ensure compatibility across .NET Framework, .NET Core, and .NET 5/6/7/8+.

• Analyze and optimize instrumentation performance and overhead.

• Integrate telemetry with OTLP Collector, Jaeger, Prometheus, Grafana, and observability platforms.

• Develop reusable .NET libraries, SDKs, sample applications, and developer tooling.

• Work closely with application, DevOps, and platform teams to drive observability adoption.

Must Have

• 3+ years of experience in C# / .NET / .NET Core development.

• Strong understanding of .NET runtime internals and CLR.

• Hands-on knowledge of CLR Profiling / CLR Profiler and Diagnostics APIs.

• Understanding of APM, distributed tracing, metrics, logging, and observability.

• Experience with microservices and distributed systems.

• Familiarity with OpenTelemetry concepts and SDKs.

• Exposure to OTLP, Jaeger, Prometheus, Grafana, or similar observability tools.

Good to Have

• Experience with OpenTelemetry .NET Auto-Instrumentation.

• Knowledge of DiagnosticSource, Activity, ActivitySource, EventListener, and .NET diagnostics.

• Experience building reusable .NET SDKs or libraries.

• Docker / Kubernetes and CI/CD experience.

• Experience with databases, message queues, and cloud platforms.

• Contributions to OpenTelemetry or other open-source projects.

• Understanding of cross-language distributed tracing.