DeepCS
BuiltTwo people get matched and solve the same CS question together in real time, typing into one shared document. Six services behind a gateway I wrote myself.
TypeScriptYjs
PostgreSQLRedisCloud Run
Open to a 6-month SWE internship · from early 2027
William Nayar
backend & distributed systems
Final-year Computer Science at NUS. I like solving hard problems, whatever they are, and the ones I keep coming back to are in backend and distributed systems.
What I'm building
Three systems
Each card says how far along it is, because half-finished work described as finished helps nobody.
Recall
In progressA search engine over my own notes that answers with sources, and refuses when it isn't confident. Written from scratch in Go, no search library.
GoBM25Python
Docker
Airlock
BuiltAI agents install packages unattended. Airlock runs each one in a throwaway sandbox first and blocks it if it misbehaves. Won the Daytona HackSprint.
PythonDaytonaSandboxing
Elsewhere
A few other things
- 1st place, Daytona HackSprint NUS Singapore, July 2026, for Airlock.
- Certificate of Distinction Software Engineering focus area, NUS School of Computing, off a 4.50 GPA.
- Three merged pull requests into open source Into mongoose and node-redis, 27k and 17k stars, found by reading the source.
- Teaching CS3219 at NUS The microservices module, August to December 2026.
Get in touch
Looking for a 6-month internship from early 2027
Backend, distributed systems, infrastructure. Based in Singapore.