RHDevs

We build the software Raffles Hall runs on.

Used by about 600 residents. Endorsed by the JCRC and hall admin.

RHDevs is a 25-person student engineering and design team at Raffles Hall, National University of Singapore.

RHApp booking hub: a September calendar beside the day's room bookings, with a Book a Facility button.
Finance bot in Telegram: the claims dashboard with counts by stage, treasurer reminders and the latest claims.
Heartfelt bot in Telegram: the welcome message explaining how to request anonymous support, step by step.
RHApp and two of our Telegram bots, in use at Raffles Hall.
  • RHApp~600 residents
  • Finance bot100% of CCA claims
  • Heartfelt bot~100 conversations
  • Announcement bot674 subscribers

In use today

~600 residents use RHApp. 100% of the hall's CCA claims run through the Finance bot, from 70+ CCA leaders.

Work

4 products · all maintained

Four products, shipped and still running.

Web platform

RHApp

new.rhapp.lol

~600residents use it

Problem
Residents need one place to apply for CCAs, register for events and book rooms.
What it does
The hall's one-stop platform for CCA applications, event registration and room booking.
Who uses it
About 600 Raffles Hall residents.

Endorsed by the JCRC and hall admin as the main way to apply for CCAs, register for events and book rooms.

RHApp booking hub: a September calendar beside the day's room bookings, with a Book a Facility button.
Finance bot claims dashboard: claim counts by stage, from review to reimbursed, with reminders for treasurers.

Telegram bot

Finance bot

100%of the hall's CCA claims

Problem
Every CCA claim has to reach the hall's finance team and go through approval.
What it does
Handles the hall's CCA claims and is part of the finance team's approval workflow.
Who uses it
70+ CCA leaders and the hall finance team.
Heartfelt bot welcome message in Telegram explaining how to request anonymous support from a companion.

Telegram bot

Heartfelt bot

~100conversations opened

Problem
Residents need a simple way to reach Heartfelt members and peer student supporters.
What it does
Opens conversations between residents and Heartfelt members and peer student supporters.
Who uses it
Residents, and 30+ Heartfelt members and peer student supporters.
Announcement bot reply in Telegram confirming an approved sender can broadcast to the channel.

Telegram bot

Announcement bot

674channel subscribers

What it does
Broadcasts posts from approved senders to the Raffles Hall Announcements channel, spaced out by a cooldown.
Who uses it
Approved senders and the JCRC post through it.

Hackathon · Upcoming · in planning

New Frontiers

A 36-hour AI hackathon for about 200 NUS students.

Co-organised with

  • CDE Club
  • Eusoff Hackers
  • RMI Club
  • Sheares Hall
  • KEVII Hall

Dates (proposed)

Fri 19 to Sun 21 Feb 2027

Format
36 hours, kickoff Friday, pitches Sunday
For
About 200 NUS students
Main track
Startup Viability
Subtracks
AI and Agentic Systems, Robotics, Open Innovation

How we work

Cohort 26/27

We train people first, then put them on real teams.

Every member starts in the design or engineering track. In the second semester, designers and engineers work together in mixed project teams.

Semester 1

Training

Design track

Engineering track

Semester 2

Project teams

Mixed designer and engineer teams

Team

3 leads · 25 members

Led by 3.
Built by 25.

Vice Heads

  • Zhiyuan, Vice Head, Design

    Zhiyuan

    Vice Head, Design

  • Ram, Vice Head, Engineering

    Ram

    Vice Head, Engineering

25

members across the design and engineering tracks.

Join or get in touch

Telegram, email or LinkedIn

Want to build with us?

Message Patrick to ask about the next intake.

Patrick, Head of RHDevs. Sponsoring New Frontiers? Same channels, or read the sponsor brief.