Available for hire

Himujjal Upadhyaya

Senior Software Engineer

Guwahati, India · Remote preferred

linkedin.com/in/himuup · github.com/Himujjal · himuatri.xyz

6+ yrs scaling startups; built offline-first high-reliability sync engine and world's largest real-time A/B DB

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// core strengths

React ElectronJS Expo React Native TypeScript NodeJS SQL MongoDB AWS Shell Software Architecture AI Agent Workflows

// experience

Littlebird.ai — Senior Product Engineer

May 2025 – August 2025

Remote

  • • Own end-to-end Meeting Record Notes: Swift screen-recorder ↔ Whisper live transcription ↔ React/Electron UI.
  • • Shipped LLM agents that auto-summarize, action-item and email notes within 60s of meeting end.

WokayHQ — Head of Product & Engineering

March 2024 – May 2025

Hyderabad

  • • Launched offline-first task manager (10k DAU) with highly reliable sync; 45% uplift in task completion.
  • • Built 2-way Google Calendar integration, cutting scheduling time 60%.

Spiralyze — Senior Software Engineer

Jul 2021 – Feb 2024

Remote

  • • Scaled world's largest real-time A/B dataset (3B+ rows/day, <100ms P95 reads, PostgreSQL & Dynamo).
  • • Orchestrated 20k Playwright tests/day on AWS spot fleet; reduced CI cost 40%.
  • • Led 4-engineer squad; shipped Figma plugin that reverse-engineers design systems from any webpage.

GraspIO — Software Intern

Jul 2019 – Dec 2019

Bengaluru

  • • Released SIP-based video-calling Android app (Kotlin) supporting 20k cumulative downloads.
  • • Deployed BLE indoor-navigation module in Ionic, guiding users <2m accuracy in 50k ft² malls.

Plopnow — Frontend & React Native Intern

Jun 2017 – Aug 2017

Bengaluru

  • • Built React-Redux storytelling platform.
  • • Introduced rich-text animations adopted by 300+ writers.

// education

M.Sc. Mathematics

BITS Pilani · 2015 – 2020

Don Bosco Senior Secondary School

2013 – 2015

// open source

Ekam

TypeScript-like programming language that compiles to Zig

zig-json5

JSON5 parser in Zig

tree-sitter-svelte

Syntax highlighter used by Zed & Neovim

More links from GitHub, Codeberg and GitLab coming soon.