Ashwini is a software engineer in San Francisco and an open source developer. She is the author of pyca/tls, a pure-python TLS 1.2 implementation that is designed with various functionally independent layers that plug together in the form of a state machine, presenting users with opinionated and secure APIs. In the past, she has worked on Twisted - an asynchronous event-driven networking framework, and Hippy - a PHP implementation in RPython.