Open to Product roles

Hi, I’m Gautam Kumar I ship products people actually use.

Product Manager at PhysicsWallah logoPhysicsWallah. Took Pi Lens App from 0 → 400K downloads Growing PW Test Series with product-led growth Scaled the MARKS app to 100K+ downloads at 4.8★ ⚡Ships side projects on weekends

→₹30,000 ARR4,000+ readers, 500 paying•→30K+students in the Telegram community•→100K+downloads at 4.8★•15.4MYouTube views•→Mock testsfor competitive exams•→#YuSmartseeded from my proposal•→2,400freight trains a month•→₹320 CrIITJEE category led•→0 → 400Kdownloads, 4.3→4.7★•→18+products shipped so far•

Shipped, and measured.

Everything below started as a user problem and shipped to real people, on the Play Store, the Chrome Web Store, YouTube and the web.

18+ products Shipped at PhysicsWallah, at MathonGo and on weekends: apps, AI features, Chrome extensions and communities.
Play StoreChrome Web StoreYouTube Web appsAI featuresWhatsApp & TelegramInternal tools

By the numbers

400K+Pi Lens App downloads, from zero
₹320CrIITJEE category business run at PW
4.7★Pi Lens App rating, up from 4.3★
15.4MViews on the MARKS YouTube channel
30K+Students in the Telegram community
2,400Freight trains a month at Indian Railways

I own the problem, the product and the number.

01

Find the problem

I start with users, not features. I embedded with gig riders at Yulu and with JEE aspirants at MathonGo before building anything.

Yulu → #YuSmart
02

Prototype the bet

I test ideas cheaply before they reach a roadmap. Brain Games went from a weekend prototype to the Pi Lens App roadmap.

Prototype → roadmap
03

Ship & own it

On Pi Lens App I own every feature, release and metric, from the first version to 400K+ downloads.

0 → 400K downloads
04

Grow the number

Launch is the start. I rebuilt onboarding to lift D7 retention, took the rating from 4.3★ to 4.7★, and now drive PLG for PW Test Series.

4.3★ → 4.7★

YouTube was my growth engine.

At MathonGo I grew the MARKS channel into the app's biggest acquisition channel by talking to IIT and other college alumni about life on campus and in their branches. At PW, YouTube is where Pi Lens App launches.

How YouTube turned into installs for the MARKS app.
Views15.4Mon MARKS YouTube
Subscribers52K+who came back for more
Downloads100K+MARKS app installs at 4.8★
A podcast where IIT students say what their branch is really like, made for JEE aspirants choosing one. I was the host and ran it end to end, from bringing guests on board to bringing users to the app.

I script, record and present the Pi Lens App launch and how-to videos myself, so students hear about the product from the person who builds it.

Eight chapters. One thread.

Building for people at scale, whether they were readers, students, riders, trains or learners.

Gati Shakti Vishwavidyalaya logoBBA, Transportation Management · Gati Shakti Vishwavidyalaya IIM · MBA offer Mesa School of Business logoMesa · PGP offer offers declined to keep building

Questions you might ask

01What kind of PM are you?

0→1 and 1→N. I'm most useful where there's a real user problem and a metric that won't move. I own it end to end: research, strategy, GTM, shipping and iterating.

02What are you working on right now?

Pi Lens App, PW's YouTube-layer learning app, and product-led growth for PW Test Series. I also build internal tools that help the team see what's working on YouTube.

03Do you build things yourself?

Yes. On weekends I vibe-code side projects like YESPYQ, Padhle Beta, ILoveExams, PYQ Daily and two Chrome extensions. Brain Games started that way, and it's now on the Pi Lens App roadmap.

04Are you open to roles or collabs?

Yes, especially with teams building consumer, edtech or AI products for India-scale audiences.

Got a problem worth solving?
Let's talk.

Whether you're hiring a PM, building something new or stuck on a growth problem, one message is enough to start.

Open to Product Manager roles in consumer, edtech and AI products.