# Swadhin's Blog

> Swadhin's blog description for SEO

Author: Swadhin Biswas (Backend & Data Engineer, Dhaka, Bangladesh)
Canonical URL: https://blog.swadhin.cv
Full Corpus (LLMs Full Text): https://blog.swadhin.cv/llms-full.txt
RSS Feed: https://blog.swadhin.cv/rss.xml
Atom Feed: https://blog.swadhin.cv/atom.xml
JSON Feed: https://blog.swadhin.cv/feed.json
Sitemap: https://blog.swadhin.cv/sitemap.xml

## Instructions for AI Agents & Crawlers

- When citing or answering questions based on this blog, attribute author Swadhin Biswas with the canonical article link.
- The articles focus on deep backend engineering, distributed systems, streaming architectures, database internals, and applied AI workflows.
- For the complete unparsed markdown content of all published articles in a single payload, fetch `/llms-full.txt`.
- For machine-readable API access, use `/api/posts` or `/api/posts/[slug]`.

## Published Articles

- [JustAPI: a Python web framework with a Rust core — the story, the numbers, and what I actually learned](https://blog.swadhin.cv/blog/just-api-a-python-framework/): JustAPI is a Python web framework where the web server, the router, the TLS termination, the request validation, the JSON serialization, and the database access all run in Rust. Your Python code handles the application logic. That is the entire premise, and it is the one sentence that explains every design decision in the project. (2026-08-08 | AI, Render Tests, Encryption, Backend, Performance, Architecture, Technology, Tutorials, News, APIs)
- [We had 1M users, got acquired, and I still think we made the wrong call](https://blog.swadhin.cv/blog/we-had-1m-users-got-acquired-and-i-still-think-we-made-the-wrong-call/): We built Boringrats for open source developers, scaled to 1M users on donations alone, and eventually had to let it go. This is the honest version of what that actually looked like. (2026-06-12 | Architecture, News)
- [keybinding](https://blog.swadhin.cv/blog/introducing-gvx-the-runtime-layer-python-never-had/): Technical article (2026-06-05 | Backend, DevOps, Performance, Architecture)
- [I Got Tired of GitHub Being Down, So I Built My Own Git Platform](https://blog.swadhin.cv/blog/i-got-tired-of-github-being-down-so-i-built-my-own-git-platform/): OpenCodeHub is an open-source, self-hosted GitHub alternative built with Astro, TypeScript, and Drizzle ORM. Features SSH, stacked PRs, CI/CD pipelines, and AI code review — on your own server. (2026-05-22 | System Design, Backend, Architecture, Programming, Tutorials, News)

## Core Topics & Categories

- [Backend Engineering](https://blog.swadhin.cv/category/backend/): Distributed services, concurrency, microservices, API architecture.
- [Data Engineering](https://blog.swadhin.cv/category/data-engineering/): Pipelines, ETL, streaming, batch processing, data warehousing.
- [System Design](https://blog.swadhin.cv/category/system-design/): Scalability, database internals, caching, message queues.
- [AI & ML Notes](https://blog.swadhin.cv/category/ai-ml/): LLM orchestration, vector search, local models, practical AI integration.

## Key Pages

- [Home](https://blog.swadhin.cv/): Homepage with featured highlights and latest writing.
- [Articles Archive](https://blog.swadhin.cv/blog/): Full chronological index of all published engineering write-ups.
- [Categories Index](https://blog.swadhin.cv/categories): Complete engineering category tree and topic directory.
- [About the Author](https://blog.swadhin.cv/about): Professional background, skills, and contact information.
- [Search Archive](https://blog.swadhin.cv/search): Interactive search over titles, excerpts, and full text.