Thomas Watson
Staff Engineer at Datadog
Copenhagen, Capital Region of Denmark
Summary
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RockstarThomas Watson is a Staff Engineer with 17 years of experience building and hardening Node.js systems, currently focused on dynamic code instrumentation at Datadog. Formerly a tech lead and principal engineer at Elastic, he drove Node.js APM and Kibana developer experience work, and helped scale observability across large platforms. A long-time Node.js Core member and Diagnostics WG contributor, he’s published hundreds of Node modules and made notable fixes to widely used projects like sequelize, autocannon and mongojs. He blends deep backend expertise with DevOps and test-infrastructure improvements, often improving robustness, error handling and cross-platform compatibility. Thomas is an experienced public speaker and community organizer who translates field feedback into practical tooling and performance features. Based in Copenhagen, he pairs entrepreneurial roots—founding consultancies and startups—with an enduring open-source streak that surfaces in both tooling and protocol-level contributions.
17 years of coding experience
24 years of employment as a software developer
Danish, English
Stackoverflow
6,557reputation
369kreached
22answers
29questions
zsh
top-5%
homebrew
top-5%
rubygems
top-5%
ruby-on-rails
top-5%
Github Skills (90)
json-schema10
testing10
databases10
bash10
refactoring10
backend10
streaming10
tapi10
monitoring10
javascript10
validation10
api10
sdk10
sql10
cheat-engine10
Programming languages (16)
Github contributions (5)
elastic/apm-agent-nodejs
Apr 2017 - Dec 2020
Role in this project:
Back-end Developer
Back-end DeveloperContributions:684 commits, 1263 PRs, 907 pushes in 3 years 8 months
Contributions summary:Thomas was a back-end developer who primarily focused on refactoring the code base. They made changes that involved renaming configuration options, specifically changing `appId` to `appName`. They also made additional changes to various test files, and other changes including modifications to the API host and port and added support for different versions of Redis. The commits suggest a focus on maintaining and refactoring the core functionality of the project.
performance-monitoringagentapmdevopselastic
watson/bonjour
Oct 2015 - May 2018
A Bonjour/Zeroconf protocol implementation in JavaScript
Role in this project:Back-end Developer
Back-end DeveloperContributions:104 commits, 9 PRs, 51 pushes in 2 years 7 months
Contributions summary:Thomas primarily focused on fixing and improving the core functionality of the Bonjour/Zeroconf implementation. They addressed issues related to responding to queries, especially those of the ANY type, and ensured correct service type settings. Furthermore, the user implemented the discovery functionality and properly encoded TXT record data. They also added tests to validate the functionality of the project.
mdnsdns-sdbonjourjavascriptdiscovery
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