# Muhammad Owais Warsi — Portfolio & Blog

> Full Stack developer. Building products across full-stack applications, SDKs, and developer tools. Currently a Founding Engineering Intern at Cueron and an undergrad pursuing a Bachelor's degree.

## Site

- [Home](https://owais.is-a.dev/): Portfolio home page with hero, about, experience, projects, and open source sections.
- [Blog](https://owais.is-a.dev/blog/): Collection of technical blog posts.
- [RSS Feed](https://owais.is-a.dev/rss.xml): Subscribe to new blog posts.
- [Sitemap](https://owais.is-a.dev/sitemap-index.xml): Full site sitemap.

## About

Muhammad Owais Warsi is a full stack developer who builds products across the stack — from frontend to SDKs and developer tools. He writes about systems, databases, networking, and software engineering.

## Work Experience

- **Founding Engineering Intern** at Cueron (Remote) — Dec 2025 to Present

## Projects

- **Agent Scope**: Security layer for agents tool permissions. [GitHub](https://github.com/Muhammad-Owais-Warsi/agent-scope) (TypeScript)
- **Better Pay**: The payment layer for modern applications. [GitHub](https://github.com/Muhammad-Owais-Warsi/Better-Pay) (TypeScript)
- **Flux**: Postman alternative built in Rust. [GitHub](https://github.com/Muhammad-Owais-Warsi/flux) (ReactJS, Rust)
- **ChimpType**: Race your friends. Type like a chimp. 1 v 1 MonkeyType. [GitHub](https://github.com/deboneil07/ChimpType) (ReactJS, ExpressJS, Pusher, Supabase, TailwindCSS)
- **Dodo Payments Rust SDK**: Rust SDK to interact with Dodo Payments API. [Docs](https://muhammad-owais-warsi.github.io/dodopayments_rust_sdk_docs/) (Rust)
- **zurl**: A faster, simpler curl alternative — built in Rust. [GitHub](https://github.com/Muhammad-Owais-Warsi/zurl) (Rust)

## Open Source Contributions

- **Zed**: High-performance, multiplayer code editor from the creators of Atom and Tree-sitter. [PR](https://github.com/zed-industries/zed/pull/52740)
- **0.mail**: Open source alternative to Gmail. [PR](https://github.com/Mail-0/Zero/pull/591)
- **Nimbus**: Open source alternative to Google Drive. [PRs](https://github.com/nimbusdotstorage/Nimbus/pulls?q=is%3Apr+author%3AMuhammad-Owais-Warsi)
- **Hacktoberfest**: Contributed to the Hacktoberfest official site. [PR](https://github.com/Hacktoberfest/hacktoberfest-2022/pull/87)
- **Call**: Open source alternative to Google Meet and Zoom. [PRs](https://github.com/call0dotco/Call/pulls?q=is%3Apr+author%3AMuhammad-Owais-Warsi)
- **Val Town**: Collaborative website to write and run code. [PR](https://github.com/val-town/val-town-docs/pull/245)
- **Arcjet**: A security SDK for developers. [PRs](https://github.com/arcjet/arcjet-docs/pulls?q=is%3Apr+author%3AMuhammad-Owais-Warsi+)
- **Git Cliff**: Highly customizable Changelog Generator. [PRs](https://github.com/orhun/git-cliff/pulls?q=is%3Apr++author%3AMuhammad-Owais-Warsi)
- **kmon**: Linux Kernel Manager and Activity Monitor. [PR](https://github.com/orhun/kmon/pull/174)
- **Contribhub**: Platform to find and contribute to open source projects. [PR](https://github.com/graphicmade/contribhub/pull/36)

## Blog Posts

- [How Apache Cassandra reads and writes data](https://owais.is-a.dev/blog/apache-cassandra-working/): Blog on apache cassandra working. (April 5, 2026)
- [How websites check whether a username exists in just milliseconds](https://owais.is-a.dev/blog/bloom-filters/): Bloom filters end to end. (June 3, 2026)
- [Why do databases even use B-Trees](https://owais.is-a.dev/blog/b-tress/): Blog on B-Trees. (Jun 13, 2026)
- [Exploring the Power of Community](https://owais.is-a.dev/blog/communities/): Blog on communities. (Aug 12, 2023)
- [Virtual Machines vs Containers: An In-Depth Comparison](https://owais.is-a.dev/blog/containerziation-vs-virtualisation/): Blog on virtual machines and containers. (Oct 29, 2023)
- [Introduction to Arcjet](https://owais.is-a.dev/blog/introduction-to-arcjet/): Blog on arcjet. (Dec 9, 2024)
- [How databases get switch on the fly when crashes](https://owais.is-a.dev/blog/keepalived-vrrp/): Blog on databases switching on the fly. (March 17, 2026)
- [The gradient that changed everything. A practical introduction to neural networks](https://owais.is-a.dev/blog/neural-networks/): A practical introduction to neural networks. (May 24, 2026)
- [Partitioning and Sharding: Why and when do companies need them](https://owais.is-a.dev/blog/partitioning-vs-sharding/): Blog on partitioning and sharding. (Feb 06, 2026)
- [Using Postman for Real-World Traffic Testing](https://owais.is-a.dev/blog/postman-testing-traffic/): Blog on testing traffic using postman. (Aug 15, 2024)
- [Getting started with val.town](https://owais.is-a.dev/blog/val-town/): Blog on val.town. (Sept 11, 2024)