8 min read
Concurrency: From Race Conditions to Distributed Locks
Suppose we have an ecommerce app with an endpoint to buy a product:
Backend · Distributed systems · AI
moon phase — ember gibbous
Hi, I'm Nihal. I build in the dark, ship into the light.
Backend engineer turning complex distributed systems and AI ideas into simple, reliable software.
I'm Nihal, a backend engineer who enjoys turning complex problems into simple, reliable systems. I'm drawn to the intersection of software engineering, distributed systems, and AI, building things, breaking them, and understanding what makes them work at scale.
I spend a lot of my time solving problems with data structures and algorithms, experimenting with new technologies, and turning ideas into projects. I'm always curious about how things work under the hood and looking for the next difficult problem worth solving.
I spend a lot of my time solving problems with data structures and algorithms, experimenting with new technologies, and turning ideas into projects. I'm always curious about how things work under the hood and looking for the next difficult problem worth solving.
01Selected work
04 / 08
xfiles
ReactJsTypescriptTailwindCSSVitePDF.js
Free PDF, image and audio tools that process files on your device. No uploads, accounts or added watermarks.
Local Llama
NextjsReactJsTypescriptTailwindCSSOllama
A GUI for Ollama to run locally on your machine with a simple and clean UI.
Sahayak-AI
NextjsReactJsTypescriptNode.jsTailwindCSSGemini API
A web-app to learn anything with the help of AI
VibeSync
NextjsReactJsJavascriptSocket.io
A chatting application with real-time messaging and group chats.
02Open-source contributions
Small fixes, stronger tools. Selected contributions to the projects I use and build with.
Statuses checked · Oct 11, 2026
All contributions03Competitive record
04Toolkit
Blog
All articles5 min read
Docker : A tool every dev should know about
Docker allows us to package an application along with the things it needs to run, instead of manually installing everything on every machine, we can define the environment once, then someone else can run the same environment on their machine.
5 min read
Redis: From Caching to In-Memory Data Structures
Redis is one of the most popular data stores used for caching. But Redis is not just a cache. It is an in-memory data structure store that can be used for caching, sessions, queues, counters, leaderboards, rate limiting and many other use cases.
05 — Open to work
Have a hard problem? Let's talk.
I'm fastest to reach by email, and I reply within a day.
Designed & Developed by Nihal Gupta
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