raghav rajeshSUTD computer science and design ’29

i automate the work people still do by hand.

about me

i’m raghav, a year 2 computer science and design undergraduate student at SUTD in singapore.

most of what i build starts with a chore i got stuck doing. as treasurer of the badminton club, i was chasing people for fees and checking their screenshots against a bank statement, so i wrote a telegram bot that does it for me. that is what got me hooked on backend work: the APIs, databases and servers that keep things running when nobody is looking. away from the laptop, i am usually tinkering with a raspberry pi or an ESP32, or waiting on a 3D print.

tools and tech

languages: python, javascript, C
cloud and databases: AWS, GCP, postgreSQL
frontend: react, vite
hardware and IoT: raspberry pi, ESP32, 3D printing
workflow and AI: git, claude code, codex, openclaw

outside work

sport: active in sport, mostly badminton
hobbies: building lego sets and car spotting
downtime: urban exploration, solo travel and indie music

selected projects

clubsync
a web app that runs membership, payments and attendance for 90 SUTD clubs. members pay their club fees over paynow and upload the transfer screenshot. an OCR pipeline reads the amount and reference, checks them against the fee record and catches receipts that were already used. anything it is unsure about goes to a club exco, and only audited server functions can record a payment.
next.js · typescript · firestore · cloud functions
wanderbin
an autonomous recycling robot, built over two terms of SUTD’s IDEA module. the ESP32 on board broadcasts its own wifi network and serves a small JSON REST API, so the companion web app talks to the robot directly, with no router and no internet. the lid opens only when the app has approved the item and the ultrasonic sensor sees a hand, and that approval expires as soon as the lid closes.
C++ · ESP32 · platformio · REST API
shuttlebuddy
a telegram bot that collects fees for the SUTD badminton club. it sends each member a paynow QR code with a reference unique to them, then checks the receipt screenshot they send back: gemini reads the fields, python checks the amount, reference and timestamp against the fee record, and an SQLite store rejects any receipt that has been used before. it runs around the clock on a raspberry pi 4.
python · telegram bot API · gemini API · sqlite

work experience

backend developer

clubsync · part-time · feb 2026 – aug 2026

shipped the web app that runs membership, payments and attendance for 90 SUTD clubs.
built an OCR pipeline that checks paynow receipt screenshots against member fee records, so approvals no longer need a human.

technical researcher

pitchme · internship · jan 2026 – jun 2026

cut per-run cloud analysis cost by 80–90% by moving mediapipe processing into the browser.
built a multimodal video-analysis pipeline that turns speech, body language and delivery into structured feedback.