Startup & Tech Consultant

Himujjal Upadhyaya

Turning code into happiness one line at a time.

Guwahati, India · Remote preferred

GitHub · Codeberg · LinkedIn · himuatri.xyz

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Who I Am

I'm a tinkerer and product engineer who helps startups build and fix their products. I thrive where speed matters and the rules are made up.

6+ years scaling startups. Built an offline-first high-reliability sync engine and scaled the world's largest real-time A/B testing database. 137 repos on GitHub. Active on Codeberg.

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Tech Stack

Languages

Zig TypeScript Lua Python C

Tools & Platforms

Neovim SQLite PostgreSQL Linux Git

SQLite is the greatest database ever written.

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Projects

Ekam

Multi-purpose programming language compiling to Zig.

tree-sitter-svelte

Syntax highlighter used by Zed & Neovim · 89 stars.

samanya

Local-first framework for any platform.

fileconvert.cc

File conversion lib/UI for all platforms.

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Experience Highlights

→ Offline-first sync engine — 10k DAU, 45% uplift in task completion.
→ Scaled world's largest real-time A/B testing database (3B+ rows/day, <100ms P95 reads).
→ LLM agents that auto-summarize meetings within 60s of meeting end.
→ 20k Playwright tests/day on AWS spot fleet — 40% CI cost reduction.

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Open Source

Ekam

Language compiling to Zig

tree-sitter-svelte

89 stars on GitHub

zig-json5

JSON5 parser in Zig

samanya

Local-first framework

ekon

JSON alternative

fileconvert.cc

File conversion

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Let's Connect

Available for consulting and senior engineering roles — remote preferred.

GitHub Codeberg LinkedIn X Telegram

himuatri.xyz / slide