Tom Tan
Principal Software Engineer at Microsoft
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolTom Tan is a Principal Software Engineer based in Redmond with 13 years of experience focused on observability and distributed tracing at Microsoft. He drives OpenTelemetry efforts, contributing to major clients in .NET, C++, and integrations like Jaeger while also maintaining related C++ packaging in vcpkg. His background in performance engineering shows through past work optimizing the ChakraCore JavaScript engine and specializing hot paths such as Math.pow. Tom combines deep systems-level coding with practical tooling and documentation improvements, making instrumentation easier to adopt across large codebases. Collected from both production services and open-source projects, his contributions reflect a pragmatic balance of performance, interoperability, and developer experience.
13 years of coding experience
14 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Nanjing University
English, Chinese
Github Skills (35)
cpp-library10
debugging10
debug10
c-language10
lib10
distributed-tracing10
net10
dotnet10
cmake10
asp-net10
api10
sdk10
javascript-engine10
performance-optimization10
c-libraries10
Programming languages (21)
Github contributions (5)
open-telemetry/opentelemetry-cpp
Aug 2020 - Jan 2023
The OpenTelemetry C++ Client
Role in this project:
Backend Developer
Backend DeveloperContributions:13 releases, 1334 reviews, 154 commits in 2 years 4 months
Contributions summary:Tom primarily focused on updating the codebase related to OpenTelemetry C++ Client. They modified several files, including test files and header files. Their work involved updating sample decisions, removing unnecessary code, adding event support, and fixing type conversions. Furthermore, the user worked on integrating Jaeger exporter and adding support for the schema URL.
apitracingsdktelemetryotel
chakra-core/ChakraCore
Mar 2016 - Mar 2017
ChakraCore is an open source Javascript engine with a C API.
Role in this project:Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:140 commits, 59 PRs, 274 comments in 1 year
Contributions summary:Tom primarily contributed to the ChakraCore JavaScript engine, focusing on performance improvements and bug fixes within the back-end components. Their work included optimizing the handling of variable lifetimes, specializing the `Math.pow` function for integer exponents, and improving code generation. Additionally, the user addressed several bugs and implemented unit tests to ensure code correctness and stability within the engine.
javascript-enginechakracoreruntimemicrosoftc-api
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