01
Technical Leadership
Scaling teams, driving technical strategy, and partnering across engineering, data, and marketing.
Technical strategy · Mentorship · Hiring · Design review · Incident response
IndexGusto / Growth Engineering
ColinHarris.
Growth Engineering Tech Lead / Gusto
8+ years architecting Growth platforms that drive acquisition, conversion, and retention at scale. Building gusto.com's web infrastructure, shaping our analytics libraries, and driving experimentation and personalization systems.
Partnering with marketing, sales, data science, and leadership to turn strategy into systems and scale the teams that own them. Figuring out AI one prompt at a time.
Capabilities
02
Web Platform
Building the infrastructure that keeps web apps fast, reliable, and easy to ship.
Edge rendering · Caching strategy · Core Web Vitals · Technical SEO · CMS architecture
03
Experimentation Platform
Architecting A/B testing systems that product teams actually trust to make decisions.
Experiment design · Power & MDE · Guardrail metrics · Feature flags & rollouts · Server-driven personalization
04
Analytics Infrastructure
Building data pipelines and tracking platforms that turn user behavior into actionable insights.
Event schemas · Data contracts · Tracking plans · Pipeline reliability · Consent & privacy
Stack
Languages04
- TypeScript
- JavaScript
- Ruby
- SQL
Frameworks04
- React
- Next.js
- Ruby on Rails
- Node.js
Data03
- Snowflake
- Airflow
- Snowplow
Infrastructure04
- Cloudflare Workers
- Vercel
- Supabase
- Sidekiq
Growth03
- Optimizely
- Hightouch
- Contentful
Interfaces03
- React Native
- Expo
- Tailwind CSS
How I Work
01
Platforms earn trust before they earn adoption.
02
If a team can't self-serve it, it isn't a platform.
03
Measure only what you'll act on.
04