Profile picture Jing Rong Lim

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

~/jingrong
> Tell me about Jing Rong
Schlepping...
Builder who ships fast and fails fast.
(Good swe but maybe not a good boat builder)

Find me on the links below!
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.
SeasonOverall Rank (OR)Total PlayersPercentile
2024/202528,65411.5mTop 0.25%
2023/202448,27210.91mTop 0.45%
2022/20238,36511.45mTop 0.07%