Vianney Tran - Staff Engineer at Datadog

Vianney Tran

Staff Engineer at Datadog

New York, New York, United States

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Summary

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Rockstar

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Top School

Vianney Tran is a Staff Engineer in New York with 12 years of experience building high-performance distributed backends at Datadog. He combines hands-on systems engineering — notably maintaining Datadog’s Go wrapper for Facebook’s zstd (adding streaming APIs, boosting decompression performance and addressing buffer/memory vulnerabilities) — with proven leadership, having managed 18 engineers across metrics ingestion, resolution, and real-time usage teams. He has designed high-throughput internal K/V stores, implemented real-time false-positive detection for alerting, and built instrumentation that powers real-time usage billing. Trained at Ecole Centrale Paris, he bridges production performance tuning and team-scale operational delivery while still shipping core open-source performance improvements.

12 years of coding experience

8 years of employment as a software developer

Engineer's degree, Engineering, Engineer's degree, Engineering at Ecole Centrale Paris

Classes préparatoires aux Grandes Ecoles, PCSI/PSI*, Classes préparatoires aux Grandes Ecoles, PCSI/PSI* at Lakanal, Sceaux

English, Russian, French

Github Skills (6)

compression-algorithm10

api-doc10

go10

api10

testing9

performance-optimization9

Programming languages (8)

JavaC++ShellCGoHTMLRubyPython

Github contributions (5)

DataDog/zstd

Feb 2016 - Jun 2022

Zstd wrapper for Go

Role in this project:

Back-end Developer

Contributions:21 releases, 36 reviews, 134 commits in 6 years 5 months

Contributions summary:Vianney focused on developing and improving the `zstd` library wrapper for Go. Their work included implementing a stream API for compression and decompression, enhancing existing API style, and refactoring decompression logic to improve performance with larger files. They also addressed potential vulnerabilities related to buffer size and memory allocation. Furthermore, the user added comprehensive testing and bug fixes to ensure code quality.

golangzstd

Viq111/HemeraEnder3

Aug 2021 - Jul 2024

Mount an Hemera on an Ender 3 Pro - 2021 Edition

Contributions:1 release, 4 PRs, 10 pushes in 2 years 10 months

minecraftmounthemeraenderender-3-pro

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