Platform & infrastructure engineer. I build the systems other engineers (and now AI agents) build on, currently the code-execution infrastructure behind Meta's AI coding agents.

currently --:-- here

i work on AI agent infra sandboxed execution distributed systems developer platforms
Lilly Wang
10 yrs
at Facebook, Instagram and Meta
CU ♔
Engineering, CS major, Psych minor
5 / 7
continents visited, and counting
MDW ✈︎
midwest raised, east coast based

the short version

🤖
current role
Infra Tech Lead, Interactive Compute & AI Agent Infrastructure
I lead the infrastructure side of Meta's notebooks, sandboxed environments and AI coding agents: server architecture, deployment pipelines, kernel management, and the protocol agents use to call tools.
📍
time zone
Eastern Time
East Coast based, remote-friendly.
🎓
education
Columbia University
B.S. Computer Science, minor in Psychology.
🧱
what i like building
The layer everyone else stands on
GraphQL client infra, a server-driven UI framework, an ML training platform, and now agent infrastructure. I've spent my career on the foundations product teams depend on, and on making them faster, cheaper and harder to break.

where i've been

The infrastructure behind Meta's notebooks and sandboxed environments, which is also where Meta's AI coding agents run their code.

  • Designed how AI agents call tools and run code on remote machines.
  • Lead the infrastructure side of the team: servers, deployments and keeping things up.

A platform that lets product teams train, tune and ship ML models without needing to be ML experts.

  • Moved teams onto a modernized training stack.
  • Spent a lot of time on hyperparameter tuning and experimentation tooling.

Products about representation and fairness on Instagram, like helping people find and support underrepresented communities and businesses.

  • Took a community discovery feature from an early idea to launch.
  • Built internal tools to help partner teams debug.

Instagram's server-driven UI framework. The server describes the screen and the app draws it, so features can change without an app update.

  • Owned the server side of the framework.
  • Worked on making it faster and harder to break.

The backend for Instagram Shopping: product catalogs, tagging, shops on profiles and tools for sellers.

  • Built product launches ("drops") with reminders, end to end.
  • Worked on product search and sorting and filtering in profile shops.

The GraphQL networking and data layer inside Facebook's iOS and Android apps.

  • Built a pagination framework that product teams across the company adopted.
  • Helped build a new GraphQL networking stack from scratch.

when i'm not at a keyboard

🐶
dog parent
The real boss of the house.
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scuba
Adventure certified.
🃏
掼guàn蛋dàn
Mahjong too. Always down for a game.
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learning to sew
Next on the list.