Hey, I’m Sindhu.

Me on a street in New York, next to a subway entrance.Since 18, I’ve tinkered with random ventures, from blogging to coaching businesses on social media. I thought I’d stay in marketing, until a year at a New York startup made me want to start my own startup.

Me speaking to a room with a microphone.While my friends took high-paying jobs, I spent almost two years building without pay. It was scary, but nothing else would make me grow as fast.

When my cofounder left, I took on the technical side too. In under a month, I went from non-technical to shipping features to real users by myself.

I love solving problems and making life better for the world. Here’s a peek into that.

Welcome,Sindhu

My Snowball profile, with walls of pizza, a seagull by the Golden Gate Bridge, my dog and books

Snowball

A consumer social app that reached 1,800+ users with no paid acquisition.
users, with no paid acquisition
1,800+
App Store rating
4.9★
Snowball IRL members
1,190

I took over engineering as a solo founder after the CTO left, and was shipping production features within a month. In 8 months I wrote 862 commits across 339 merged pull requests, over half the codebase’s activity, and built 10+ major features end to end with AI tools like Claude Code.

I also owned the product design, set the roadmap, ran releases, and hired 9 interns from 320+ applicants.

Snowball IRL, the community side, grew through 7 free in-person events, and every one was oversubscribed. After 9 iteration attempts, I made the call to wind Snowball down.

React Native, Expo, Supabase, Express, Prisma, Google Cloud Run

Live on the App Store and Play Store ·snowball.day

A cafe full of people playing chess at a Snowball IRL event. People sitting on the grass by a lake at sunset. A group posing under curved arches after a walk. A big group selfie in the city. A group photo on a field. A group posing by a railing with the city skyline behind them.
Snowball IRL events
My Gym Coach home screen with a 3D figure doing a pull-up

My Gym Coach

A workout app I built to get my first pull-up at home.

It shows a 3D demo of each exercise, tracks sets and runs a rest timer.

Open the app · GitHub

Sunny, a smiling sun mascot, celebrating a finished walking plan

Sunny

An AI walking coach I made for my mum.

An iPhone app built to help elderly parents build a regular walking habit. It was the first time I designed for this target audience so it was a fun experience to prioritise accessibility and ease of use.

Expo, Next.js, Supabase, Claude API

JEN’s sign-in screen with a glowing ring logo: “You don’t have to manage your time alone anymore.”

JEN

An AI time management assistant (won $10,000 grant)

I co-founded it, designed the full app and did the prompt engineering behind its recommendations. We won a $10,000 VIP grant and got into The Hangar, NUS’s startup incubator.

After beta tests with 30+ people, we decided to pivot because we had no defensible moat.

A promo video from when JEN was still called NOVA
Me on stage with a microphone, pitching JEN in front of the JEN slide.
Pitching JEN

SIXR Marketing

My marketing agency, which grew out of social media coaching.
social media project
$100,000
other client projects
8+
followers on my own TikTok
12,000+
of coached owners went viral
90%

I started out coaching business owners on Instagram and TikTok. About a year in, I legally incorporated SIXR to offer social media management too, and kept coaching alongside it.

The biggest win was the Singapore Computer Society’s 12-month social media project, worth $100,000. I led a team of 4 to present a 60-slide proposal. We closed 8+ other projects worth more than $20,000 in total, and partnered with another agency to make TikTok content for HBO Asia, SquirrelSave and more.

On the coaching side, close to 10 business owners went through the 3-month program I built, and 90% of them made videos with over 100k views. I also coached Beauty Insider’s marketing team of 6, who hit 1,000 TikTok followers in a month.

On my own TikTok, my most viral video, the first in a series on starting a small business, hit 2 million views. Growing it got me invited to a live interview on CNA938 to talk about social media management.

Me doing a peace sign on a video coaching call with two business owners I coached. A client giving two thumbs up on a video call with me.
Coaching calls, 2021
My Firework welcome kit: a cap, mug, notebook, t-shirt and pouch, all with the Firework logo, and a “Welcome to Firework” card.

Firework

My year in New York, doing B2B marketing ops.

I worked onsite in the New York office. It was my first and only time in B2B SaaS, and where I learnt marketing ops properly, running the company’s HubSpot, GA4 and other tools.

I also wrote and sent 2 newsletters a week to 100,000+ subscribers.

My laptop on the meeting-room table in the Firework New York office, with two coworkers working beside me. Working on an email at a café, next to a latte with “Sindo” written on the cup.
New York, 2023
A Fairing LinkedIn post I made: a “Wait don’t leave, there’s more!” meme about people quitting survey forms halfway Another Fairing post: a meme of someone peeking out from behind a wall, about visitors who leave a website after one second

Fairing

LinkedIn posts and growth ideas for a New York startup.

When I got back to Singapore, my supervisor from Firework, who had moved to Fairing, invited me to work with him as an independent contractor. It was a short stint, alongside the rest of my semester.

My content plan for a #SubwaySpotlight series of LinkedIn and Twitter posts.
Planning the #SubwaySpotlight posts
A Fairing LinkedIn post I wrote comparing Fairing to dry shampoo: you start using it out of laziness, then it becomes your go-to for everything.
“We are kinda like dry shampoo”
The portfolio dashboard, with every figure blurred out

Portfolio Tracker

A dashboard for my investments.

Brokerage apps never made it easy to see the whole picture, so I built my own. It shows what everything is worth against what I’ve put in, what I own and how each year went, so I can check in and plan my next move in a minute.

Private, so there’s no public link

Musings