Senior Software Engineer

Himujjal Upadhyaya

Startup speed. Polymath energy. Deep focus.

Guwahati, India · Remote preferred

LinkedIn · GitHub · X · Instagram · himuatri.xyz

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

// 01

Core Strengths

Frontend

React ElectronJS Expo React Native TypeScript

Backend & Infrastructure

NodeJS SQL MongoDB AWS Shell

Architecture & AI

Software Architecture AI Agent Workflows

// 02

Littlebird.ai

Senior Product Engineer · Remote

May 2025 – August 2025

→ Owned 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.

// 03

WokayHQ

Head of Product & Engineering · Hyderabad

March 2024 – May 2025

→ 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%.

// 04

Spiralyze

Senior Software Engineer · Remote

July 2021 – February 2024

→ 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.

// 05

Early Career

GraspIO

2019

Software Intern · Bengaluru

• SIP video-calling Android app, 20k downloads
• BLE indoor-navigation, <2m accuracy in 50k ft² malls

Plopnow

2017

Frontend Intern · Bengaluru

• React-Redux storytelling platform
• Rich-text animations, 300+ writers

// 06

Education & Open Source

Education

M.Sc. Mathematics

BITS Pilani · 2015 – 2020

Don Bosco Senior Secondary School

2013 – 2015

Open Source

Ekam

TS-like language compiling to Zig

zig-json5

JSON5 parser in Zig

tree-sitter-svelte

Syntax highlighter used by Zed & Neovim

More from GitHub, Codeberg & GitLab coming soon.

// 07

Let's Talk

Available for senior engineering roles — remote preferred.

LinkedIn GitHub X Instagram Telegram Signal

← Resume

himuatri.xyz / resume-slides