Tim Glaser
Building Stuff, Co-ceo at PostHog
United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolTim Glaser is a co-founder and Co-CEO at PostHog with 11 years of hands-on engineering and product experience building self-hosted analytics, feature flags, and session recording tools. He bridges full-stack development and product strategy, contributing to core PostHog repos across Python, TypeScript and JavaScript while shipping UI, API and performance improvements. Tim’s work on posthog-js (autocapture, Turbolinks fixes, Sentry integration and feature flags) and on the main PostHog platform shows a pragmatic focus on reliability, observability and developer experience. Previously he progressed from engineer to product manager at Arachnys and cut his teeth in front-end development at Cloud9 IDE, bringing both executional grit and product empathy to a growing YC-backed company. An affinity for fixing tricky integration bugs and improving demo and documentation surfaces a tendency to care about both first impressions and production robustness.
11 years of coding experience
6 years of employment as a software developer
W20, W20 at Y Combinator
English, Dutch, German, French
Github Skills (28)
javascript10
back-end-development10
apidoc10
python10
css10
typescript10
fullstack-development10
feature-flags10
full-stack10
tailwind10
api10
front-end-development10
tailwindcss10
typescript-types10
typescripts10
Programming languages (15)
Github contributions (5)
PostHog/posthog
Jan 2020 - Jan 2023
🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.
Role in this project:
Back-end Developer & Full-stack Developer
Back-end Developer & Full-stack DeveloperContributions:574 reviews, 1503 commits, 2295 PRs in 3 years
Contributions summary:Tim's contributions focused on enhancing the PostHog platform, mainly by implementing new features and improving existing ones. This involved adding demo data to the Hogflix feature, implementing the ability to build and manage annotations on the dashboard, and fixing various performance issues throughout the platform. The user also made various other small bug fixes and improvements to the system, including adjustments to API endpoints. The changes are in Python, Javascript, and Typescript.
pythonabtestingdata-warehouseself-hostjavascript
PostHog/posthog-js
Feb 2020 - Dec 2022
Send usage data from your web app or site to PostHog, with autocapture.
Role in this project:Front-end Developer
Front-end DeveloperContributions:18 reviews, 125 commits, 79 PRs in 2 years 10 months
Contributions summary:Tim primarily focused on front-end development tasks within the JavaScript-based PostHog library. They addressed a cookie-related bug on Heroku applications and fixed issues related to Turbolinks integration, ensuring proper functionality within the framework. The user also implemented feature flag support and integrated Sentry for error tracking, indicating a focus on improving the library's reliability and features. They also made changes related to autocapture and session recording.
analyticsjavascriptnpmusage-datatypescript
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