Founding Engineer @ Ardent.ai

I make developer
experiences better.

14 years shipping software across robotics, VR, infrastructure, and developer tools. Currently building AI assistants at Ardent.

juan.ts
/NOW

What I'm up to.

Last updated: January 2026

Building Ardent

Founding engineer at an early-stage AI startup. Building an AI assistant desktop app where users can build their own tools and teams can collaborate efficiently with AI.

Full-Stack AI

Owning the full stack—from AI model integrations and sandboxed extensibility to the data layer and a custom UI component library.

Agentic Architecture

Deep in the AI infrastructure—Deno sandboxing, code-mode execution, MCP integrations, and real-time streaming.

Writing & Sharing

Documenting lessons learned from building developer tools and AI systems. Topics include agentic patterns, infrastructure optimization, and making complex systems simpler.

EXPERIENCE

Where I've shipped.

14 years of building products that people actually use.

2025 — PresentArdent.aiArdent.aiFounding Engineer
  • Building an AI assistant where users can extend it with their own tools
  • Owning the full stack—from AI infrastructure to the data layer and UI
AI/LLMElectronTypeScript
2021 — 2025
Stripe
Senior Software Engineer
  • Tech lead on Radar fraud detection platform
  • Founding engineer on Internal Docs—transformed it from a top 5 pain point to a highly-rated tool
  • Developer Experience: GitHub Enterprise consolidation (8+ hr backups → 30 min), Stacked PRs system
DevToolsInfrastructureRuby
2019 — 2021Advanced.farmAdvanced.farmSenior Software Engineer
  • Led robotics team shipping autonomous navigation and collision avoidance
  • Built harvesting simulator that reduced testing cycles from 5+ hours to 15 minutes
RoboticsPythonSimulation
2017 — 2019FacebookFacebookSoftware Engineer, VR
  • Built social VR experiences in Facebook Spaces used by millions
  • Shipped Groups integration, multiplayer video/music playback, and 360° photo portals
VRUnityGraphQL
2013 — 2017SunpowerSunpowerSoftware Engineer
  • Built tools to automate solar plant layouts, reducing design time from days to minutes
  • Developed AWS infrastructure and real-time monitoring for plant performance
AngularJSPythonAWS
2012 — 2013
GreenboticsGreenbotics
Software Engineer
  • First role out of college—developed control firmware for robotic solar panel cleaners
  • Deployed to 100+ units. Acquired by Sunpower
RoboticsC++Arduino
WRITING

Thoughts & learnings.

Essays on engineering, AI, and building products.

view all posts
Jan 15, 2026

Building Developer Tools That Get Adopted

What I learned transforming Stripe's internal docs from a pain point to a tool people actually like using.

DevToolsStripe
Read post
Dec 28, 2025

From Robots to Code Review

How building simulators for strawberry-picking robots prepared me for optimizing developer workflows.

CareerRobotics
Read post
Nov 12, 2025

The Case for Boring Infrastructure

Why sometimes the best engineering is the most invisible. Reducing backup times from 8 hours to 30 minutes.

InfraEngineering
Read post
Pilot
YouTuber
Cars
Dad
ABOUT

Beyond the code.

Dad of two amazing girls. Private and instrument rated pilot. Glider pilot. Former giant scale RC aerobatics competitor. YouTube creator teaching aerobatic flying. Car enthusiast with a racing sim in the office. Endlessly curious about how things work.