Maya Chen

About

I like building the parts people don't see: storage engines, queues, the API that has to stay up during the 11pm supper rush. Most of what I know I learned by breaking my own projects and writing down why.

Projects

Floor 4 ordercloses in 06:12

SamPad thai$11.50

PriyaBurrito bowl$10.25

MayaRamen$12.00

Campus EatsLets a whole hall block split one supper order. Used during a two-week pilot at my residential college at NUS.Next.jsPostgreSQLStripe test modeRead the case study →

> put user:42 "maya"

ok · wal lsn 1088

> kill -9 · restart

replayed 3 records · 0 lost

> get user:42

"maya"

rustdbA key-value store built on a B-tree, with a write-ahead log and crash recovery tests.RustB-treeWALRead the case study →

PathfinderDraw walls on a grid and watch A* and Dijkstra race to the goal, step by step. Built for CS2040S tutorials.CanvasJavaScriptRead the case study →

fall detected · window 4.2s

Fall DetectTeam of 4 · NUS student projectSpots falls from wrist accelerometer data, for seniors living alone in HDB flats. Year 2 team project with a small labelled dataset.Pythonscikit-learnNumPyRead the case study →

Achievements and awards

1. HackathonSep 2025

   1st place, Best Social Impact

   Campus hackathon at NUS (sample event)

   Built the first Campus Eats prototype in 24 hours with a shared cart and fake payments.

   From the project: Campus Eats →
2. CompetitionNov 2025

   Top 10 of 86 teams

   Inter-university programming contest in Singapore (sample)

   Three-person team; solved 7 of 11 problems.

3. Open sourceMar 2026

   Featured in a systems programming newsletter

   rustdb write-up on crash recovery
   From the project: rustdb →
4. Award2026

   Outstanding Teaching Assistant

   NUS School of Computing (sample)

   Nominated by students in her CS2040S tutorials.

   From the project: Pathfinder →
5. ScholarshipAY2024/25, AY2025/26

   Dean's List

   NUS School of Computing (sample)