Ultra AI
2024One gateway for every AI provider, with semantic caching, prompt versioning, model fallbacks and rate limits behind a single API.
178 ProductHunt upvotes · #11 of the day
The domain lapsed and now points at a parked page.
Vaibhav Acharya,
engineer. Vaibhav Acharya
I work at the seam where product, design and engineering stop being separate jobs.
engineer + (product & design)
whatever gets us close to product-market fit
hello
Currently working at Netlify as an engineer.
I like going 0 to 1, shipping often, and operating independently. Most of what I care about lives where the web, AI and tools for builders overlap. Off hours, still building small products to find out whether they deserve to exist.
writings
sort
- 01
What the f**k is a monad again?
13 May 2026Monads in plain JavaScript: Maybe, map, chain, Promise, and why the weird box thing turns out to be useful.
- 02
MCPs, Skills and CLIs
31 Jul 2026A teammate asked if Skills replace MCP. They don't, and the CLI half of that argument turned out to be the interesting part.
- 03
Building a Tiny Reactive System
9 May 2026Signals, effects, and computed values built from scratch in plain JavaScript
9 more, folded ↓ fold back ↑
- 04
Caching Strategies from Scratch
17 Apr 2026LRU, LFU, TTL, write-through, write-back, and cache stampedes explained with interactive demos
- 05
QUIC, TCP Rebuilt on UDP
20 Jun 2026What you get when you rebuild TCP's reliability on top of UDP in user space, and drop the parts that hurt.
- 06
HTTP Versions, From 0.9 to 3
20 Jun 2026Every HTTP version exists to fix the bottleneck the last one created. The whole arc, briefly.
- 07
TCP vs UDP, and When to Reach for Each
20 Jun 2026TCP is a reliable byte stream, UDP is fire-and-forget messages. The short version, with Node socket examples.
- 08
The Thing in Between
31 May 2026We build tools to stay beneath us and children to surpass us. AI is the first thing we have made that sits between the two, and we have not picked a word for it yet.
- 09
JavaScript Closures and Scope
7 May 2025The scope chain drawn out, then closures at work as private counters and run-once functions, with the var loop and memory traps.
- 10
Deep Dive into JavaScript Array Methods
4 May 2025Map, forEach, filter, reduce explained from scratch
- 11
Deep Dive into JavaScript Sorting
6 May 2025Array.prototype.sort explained, custom comparators, and stability quirks
- 12
Functional Programming in JavaScript
4 May 2025Pure functions, immutability, higher-order helpers, reduce and composition, ending in a small project that uses all of them.
fun shipping on the side
sort
- 01
Ultra AI
2024One gateway for every AI provider, with semantic caching, prompt versioning, model fallbacks and rate limits behind a single API.
178 ProductHunt upvotes · #11 of the day
The domain lapsed and now points at a parked page.
- 03
SaaSData.app
1,000+ visits · 2023Database of 30,000+ SaaS companies & 25,000+ founders.
in 3 days · growing Google index ranking
15 more, folded ↓ fold back ↑
- 04
Intelcave.com
100+ users · 2024Chat with your database, create insightful collections and write SQL queries in plain conversational language.
in a week · used internally at the company every day
- 07
json-mason
on npm · 2024A library for safe, predictable structured modifications on JSON data.
361 npm downloads
- 08
ChatGPT Everywhere
2022A Chrome plugin that uses the OpenAI API to rewrite the text in input fields on any webpage.
14 GitHub stars
14post
- 09
- 10
RaterBay.com
30,000+ visits · 2022A platform for receiving and providing resume reviews.
80+ users · 68 ProductHunt upvotes · #16 of the day
post 
- 11
Jobilist.com
20,000+ visits · 2022Job search engine that connects job seekers with top employers across the world.
30+ jobs · 63 ProductHunt upvotes · #27 of the day
post 
- 12
plz
2026Natural language to shell commands, powered by Claude Code on your system.
- 13
PerfectAcademia.com
2022Crowd-sourced reviews and ratings of universities, anywhere in the world.
9,700+ universities · 204 countries · anonymous reviews
The domain lapsed and the deploy no longer boots.
post - 14
AIProductTools.com
5,000+ visits · 2023AI powered product tools for your e-commerce success.
The domain expired and someone else grabbed it.
- 15
Interesting Cuts
yet to market · 2025Turn long-form content into short-form gold. AI-powered video editing that cuts perfect clips for any platform in minutes.
- 16
Email AI
2024Craft beautiful, responsive HTML emails that actually work everywhere. Zero design skills required.
- 17
Quizming
2020Quiz creation & management web application.
- 18
Writtic
2021Store & share your notes securely over the web.
Code-GPT
10,000+ installs · 2023A VS Code extension that gives you instant explanations for your code using AI.
352 GitHub stars · 227 ProductHunt upvotes · #8 of the day
Taken down over a trademark complaint about the name.
SaaSData.app
1,000+ visits · 2023Database of 30,000+ SaaS companies & 25,000+ founders.
in 3 days · growing Google index ranking
Intelcave.com
100+ users · 2024Chat with your database, create insightful collections and write SQL queries in plain conversational language.
in a week · used internally at the company every day
Gist Snip
250+ installs · 2022Use your GitHub gists as autocomplete snippets in VS Code.
10 GitHub stars · 85 ProductHunt upvotes · #13 of the day
oneprompt
on npm · 2024A super framework for prompt engineering.
15 GitHub stars · 798 npm downloads
json-mason
on npm · 2024A library for safe, predictable structured modifications on JSON data.
361 npm downloads
ChatGPT Everywhere
2022A Chrome plugin that uses the OpenAI API to rewrite the text in input fields on any webpage.
14 GitHub stars
Get OG
2023Design eye-catching open graph images in seconds.
RaterBay.com
30,000+ visits · 2022A platform for receiving and providing resume reviews.
80+ users · 68 ProductHunt upvotes · #16 of the day
Jobilist.com
20,000+ visits · 2022Job search engine that connects job seekers with top employers across the world.
30+ jobs · 63 ProductHunt upvotes · #27 of the day
plz
2026Natural language to shell commands, powered by Claude Code on your system.
PerfectAcademia.com
2022Crowd-sourced reviews and ratings of universities, anywhere in the world.
9,700+ universities · 204 countries · anonymous reviews
The domain lapsed and the deploy no longer boots.
AIProductTools.com
5,000+ visits · 2023AI powered product tools for your e-commerce success.
The domain expired and someone else grabbed it.
Interesting Cuts
yet to market · 2025Turn long-form content into short-form gold. AI-powered video editing that cuts perfect clips for any platform in minutes.
Email AI
2024Craft beautiful, responsive HTML emails that actually work everywhere. Zero design skills required.
Quizming
2020Quiz creation & management web application.
Writtic
2021Store & share your notes securely over the web.
experience
- 01
Netlify
currently software engineerBuilding product surfaces across the Netlify platform, from the UI down to the systems behind it. Currently focusing on Agent Runners: Claude Code, Codex and Gemini run against live projects from the browser alone, and every change arrives as a deploy preview to review.
agent runners - 02
Supernova AI
product engineerOne of four engineers on an AI spoken-English tutor for India. Built the payment and analytics integrations, the A/B experiment system, and the optimized chat UI the lessons run on.
- 03
Skcript
web engineerBuilt product after product across the company: helpOS, a centralized email engine, a widget framework, and an OG image generator among them.
- 04
InvocationX
co-founderTook on projects for a range of clients. Learned a lot about marketing, and about how differently every business needs to be served.
- 05
Uniboat
co-founder10-minute grocery delivery. Missed Zepto so much we started our own.
2,000+ visits · 25+ orders · 180+ products
post
- 06
Dukaan
junior engineerCloser to an internship than a tech role. Learned how things actually work inside a company.
Netlify
currently software engineerBuilding product surfaces across the Netlify platform, from the UI down to the systems behind it. Currently focusing on Agent Runners: Claude Code, Codex and Gemini run against live projects from the browser alone, and every change arrives as a deploy preview to review.
Supernova AI
product engineerOne of four engineers on an AI spoken-English tutor for India. Built the payment and analytics integrations, the A/B experiment system, and the optimized chat UI the lessons run on.
Skcript
web engineerBuilt product after product across the company: helpOS, a centralized email engine, a widget framework, and an OG image generator among them.
InvocationX
co-founderTook on projects for a range of clients. Learned a lot about marketing, and about how differently every business needs to be served.
Uniboat
co-founder10-minute grocery delivery. Missed Zepto so much we started our own.
2,000+ visits · 25+ orders · 180+ products
Dukaan
junior engineerCloser to an internship than a tech role. Learned how things actually work inside a company.
education
Aryan International College
2021 → 2023Bachelors in Computer Application (B.C.A.)