Runtime
Duolearn
Jul 2022 to Apr 2024
Full stack. Education platform shipped in 14 days, then grown. GraphQL over Postgres. AI mock interviews next to lessons.
TypeScript, GraphQL, Postgres
Fourteen days
Shipped the core platform in two weeks so teaching could start, then kept building on that base.
Graph
GraphQL over Postgres for the product surface. Lessons, users, and interviews on one API.
Mock interviews
AI mock interviews sat next to lessons, not as a side demo.