
Jing Rong Lim
swe
Singapore
Software engineer who enjoys dipping his toes in every tech stack he gets his hands on. A decade of building products across startups and scale-ups — now building public service tech
interface Developer {
name: string;
skills: string[];
interests: string[];
};
interface TechStack {
frontend: string[];
backend: string[];
};
type ContactType = 'github' | 'linkedIn';
const techStack: TechStack = {
frontend: [
'React',
'Next.js',
'Astro',
'TypeScript',
'Tailwind CSS',
'React Native'
],
backend: [
'Node.js',
'NestJS',
'PostgreSQL',
'AWS',
'Firebase'
]
};
// Developer profile
const me: Developer = {
name: 'Jing Rong Lim',
skills: [
...techStack.frontend,
...techStack.backend
],
interests: [
'Startups',
'Innovation',
'A.I',
'Fantasy Premier League',
'Public Good'
]
};
// Contact function
const contact = (type: ContactType): string => {
switch (type) {
case 'github':
return 'https://github.com/jjingrong';
case 'linkedIn':
return 'https://linkedin.com/in/limjingrong';
default:
return 'Send a carrier pigeon.';
}
};
// TODO: Touch grass occasionally
Open Government Products
Senior Software Engineer
Aug 2025 — Present
Delivering recruitment excellence for Singapore's public service.
Impact ≠ valuation. Scale can mean society.
Kaidee (Carro)
Head of Engineering
Jan 2023 — Aug 2025
Led engineering for Thailand's marketplace ecosystem. Built & scaled AI-powered hiring features.
DX is a force multiplier.
RateS
CTO & Co-Founder
May 2019 — Jun 2023
Series A startup. Social commerce, focusing on T2/T3 cities in Indonesia. Acquired 2023.
Speed is important. Sustainability matters more.
RateX
CTO & Co-Founder
Apr 2016 — Jun 2023
Series A startup. Chrome extension for FX payments & Coupon Codes for Singaporeans. Pivoted to RateS later on.
Annoying problems require creative solutions.
Fitness
HIIT and strength training
Did Hyrox Singles (i.e. suffered) in June 2025.
- - Metamorfitus
- - 24/7 Fitness
- - BFT Bukit Timah (on pause)
Food
The way to live
- - Comfort food: Fried Rice and soup
- - Fast food: McSpicy, fries with Chick-fil-A sauce
- - Favorite asian dish: Sweet & Sour Pork
- - Hawker food: 白鸡腿饭,加蛋
- - Favorite beverage: Coke Zero
Coffee
Morning Machine: Experimenting
Bought the Tanchen x Morning Machine in Lilac on a whim, after my kid turned 1 month. I figured if I was going to be sleep deprived, might as well upgrade from my Nespresso setup.
- - Current setup: Morning Machine (Lilac)
- - Previously: Nespresso
- - Mission: Try every pod worth trying
Keyboards
The rabbit hole that never ends.
- - Started with: Rosewill 100% (Red switches)
- - Then: Ducky One V2 TKL (Brown switches)
- - Daily driver: WOBKEY Zen65
- - Slim profile: Keychron K3
- - Gaming: Wooting 60HE
Hi there
I'm Jing Rong, and my family name's Lim. Most people address me as "JR"
- 💙 🇸🇬 I'm currently working as a Software Engineer at Open Government Products, focusing on delivering recruitment excellence for the public service
- 🇹🇭 Before that, I was the Head of Engineering at Kaidee (Carro)
- 🚀 I was also the Technical Co-Founder/CTO of Rate (RateX, RateS). RateS was acquired in 2023
- 🌱 💬 I'm currently learning how to contribute to the public good for my community/country.
- 📫 How to reach me: LinkedIn
- ⚽ Fun fact: I love playing Fantasy Premier League, and have consistently placed in top 0.5% of all players globally every year.
| Season | Overall Rank (OR) | Total Players | Percentile |
|---|---|---|---|
| 2024/2025 | 28,654 | 11.5m | Top 0.25% |
| 2023/2024 | 48,272 | 10.91m | Top 0.45% |
| 2022/2023 | 8,365 | 11.45m | Top 0.07% |