I build things.
Pierre Besson. Web and AI engineer since 2011, from Microsoft and Walmart to AI products I launched myself.
Things I've built
- 2011
Where it started
I start building for the web and never really stop.
- 2012
Umpqua Bank
Full stack on client facing software at a bank, where a bug comes with a dollar sign.
- 2018
T-Mobile
Led full stack work across enterprise and consumer apps. Node, Python and Go on AWS.
- 2021
Microsoft Azure
Outlook, Teams and browser add-ins that pull Azure into Microsoft 365.
- 2022
Walmart
React at a scale where a small mistake gets famous fast.
- 2023
State of Utah
Led the frontend of a healthcare app that Utah residents depend on.
- 2025
Microsoft Purview
Put Copilot inside compliance screens used across enterprise tenants.
- 2026
The unnamed client
Access control from Entra and Workday, audit trails, AI rewriting. Keeping the name quiet is part of the job.
- 2026
OptimumListing
AI that rewrites Etsy listings, with Stripe billing built in. I launched it solo, then paused it to build for clients.
- 2026
- 2026
LilBizee
Kids run real storefronts in a monitored sandbox. Parents approve anything public.
See it live - 2026
- 2026
What I'll build for you
AI agents and automation
Sprint from $10,000
AI inside your product
Sprint from $10,000
Private company AI
Sprint from $10,000
Custom web applications
From $10,000
Websites that bring in customers
From $7,500
E-commerce and marketplaces
From $7,500
Yours is next
Tell me what your business needs built and what it costs you every month that it stays unbuilt. You will hear from me, the person who would build it.
Start a project