Manthan Thummar
good day, i'm /surat, in /

CTO & DevOps. I build SaaS that ships daily and stays up.

see work↓ hi@mnthan.com→
ops · live hi@mnthan.com
6+years shipping
99.9%uptime
CTOhappy pet tech
5products shipped
§ 01

about

I started in 2019 building frontends, spent a few years running my own Shopify agency, then became CTO at Happy Pet Tech, where I also run DevOps: the layer that keeps a product alive when nobody is at the keyboard.

These days the job is giving the team room to build, and making sure what they build stays up.

stateonline
roleDevOps & CTO
focusDevOps · SaaS · AI
locationSurat, India
local time
availabilityopen to consulting
Next.jsReactTypeScriptNode.jsExpressFlutterMongoDBPostgreSQLRedisSupabasePrismaDockerAWSCI/CDGitCloudflareRailwayShopifyHydrogenLiquidLLM APIsRAGEmbeddingsVector searchAI agentsMCP
§ 02

selected work

/all →
01April 2025 - Present

Happy Pet Tech

Cloud software for pet businesses: grooming salons, mobile groomers, boarding, daycare, pet shops and vet clinics, live in five countries. I'm the CTO, and I also run the infrastructure.

Next.jsNode.jsExpress
→
02April 2025 - Present

Pet Parent App

A consumer app for pet parents: health records, weight and nutrition tracking, expenses, family sharing, and an in-app AI companion called Lorem. I run the platform behind it.

FlutterDartNode.js
→
03Jan 2025 - Apr 2025

PetsFirst Health

PetsFirst's healthcare platform: home vaccinations, at-home blood tests, surgery and hospital booking, and an online pharmacy for pets in Bengaluru. I built the platform and the app behind it.

Next.jsNode.jsExpress
→
04Dec 2024 - Apr 2025

Roosthaven

A real-estate platform for buyers, sellers, and agents, with an AI co-pilot that analyzes disclosures, offers, and listings. I built it solo, front end to infrastructure.

Next.jsNode.jsNeonDB
→
05Apr 2024 - Feb 2025

Sethi Couture

A full Shopify redesign for Sethi Couture, a fine-jewelry brand built around stacking rings. We rebuilt the store on Dawn with a custom app, and I maintained both as their freelance developer.

ShopifyLiquidDawn
→
06Sep 2024 - Nov 2025

Renaissance Jewel

Speed and SEO work on the Shopify store of Renaissance Jewel, a New York lab-grown diamond jeweler on Fifth Avenue. I worked there full-time as their Sr. Shopify Expert, remote from India.

ShopifyLiquidJavaScript
→
§ 03

new game

live now

Startup City

I built a whole city to drive a taxi through: downtown towers, a winding river, a train, and the sea all round. Every street of it runs in your browser.

buildings
337
districts
5
landmarks
16
bridges
7
vehicles
143
start playing↗

no sign-up · keyboard or phone

city.mnthan.comscreenshot, 7 October 2026 Startup City from the air at dusk: downtown high-rise towers around the Manthan T. HQ, labelled city places, and the river with its bridges behind
§ 04

now

→Growing the Happy Pet Tech engineering teamTeam
→AI features inside the productAI
→CI/CD and infra automationCI/CD
→Headless Shopify builds with HydrogenShopify
updated september 2026
§ 05

writing

/all →
01 Building a help search that finds the right article, without a search server Sept 26 02 How I made help.happypet.tech load in 0.1 seconds Sept 26 03 Our deploys caused 5 seconds of downtime: fixing it with PM2 cluster mode Sept 26 04 Never show a database error to a user: how errors travel in our API Sept 26 05 Making a 175-screen web app work on a phone Sept 26
§ 06

experience

2025CTOHappy Pet Tech
2024Sr. Shopify expertfreelance
2023Founder & Shopify expertTameta Tech
2021Partner & Shopify expertMicraSol LLP
2019Frontend developerWhite Orange Software
§ 07

as cto

team hiring · mentoring · ownership
product idea → spec → shipped
process reviews, releases, fewer surprises
infra CI/CD · AWS · uptime
ai automation where it saves real time
§ 08

ask ai about me

Not sure what I do? Ask your AI assistant. Each button opens it with this site and a request for a plain-language summary.

opens with the prompt chatgpt↗ opens with the prompt claude↗ opens with the prompt gemini↗ opens with the prompt perplexity↗
§ 09

contact

Let's build
something.

Collaborations, consulting, hard infrastructure problems.

github github.com/themanthan9↗ x x.com/themanthan9↗ linkedin linkedin.com/in/themanthan9↗ email hi@mnthan.com↗