Lily He is a software engineer, focusing on scalable and reliable infrastructure.

Current Role

May 2023-Present

I am a software engineer at Squarespace on the Traffic team. I keep traffic to 3 million Squarespace websites moving quickly.

HTTPS Protocol Security

Encrypt HTTP connections to protect customer privacy. Issue and renew TLS certificates.

Defense

Protect Squarespace customers from malicious actors who launch denial-of-service (DoS) attacks to take down websites.

Edge Caching

Make pages load faster by caching popular websites at the edge.

HTTP Routing

Direct requests coming into Squarespace to the appropriate internal services.

Past Experiences

Twitter

I started at Twitter as a software engineering intern. As a full-time engineer for two years, I maintained the Scala/Java microservice framework (Finagle) and observability data ingestion pipeline for thousands of services at the company.

StreetCred Labs

I was a software engineering intern at StreetCred when the startup just raised the seed round funding. I learned about rapid prototyping for a minimal viable product (MVP) and starting greenfield projects. In 2021, StreetCred was acquired by Snap, Inc.

Hobbies