portfolio / 2026

Moni Kumari

Shipping code & shooting hoops.

student · full-stack dev · UI/UX designer · AI builder · basketball player

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01 / about

More than just
a developer.

I'm a full-stack developer and UI/UX designer who loves building AI-powered mobile and web apps. I've shipped 3 live deployed products — including a monetized React Native app with 20+ users and real paying subscribers. I design in Figma and ship to production.

3live apps
8.86CGPA
💸paying users
🏀baller
INNOVATEX 4.0·NMIT Sparklab Designathon·Open to internships
resume ↗
PROJECTS PROJECTS PROJECTS
02 / work

Selected
projects.

01

RetryRight

Failed-payment recovery for Razorpay subscriptions. An LLM reads the gateway error; deterministic policy decides whether money actually moves.

  • 99.5% accuracy over 208 payments
  • 0 unsafe actions
  • 1,040 → 145 inference calls
TypeScriptVercel AI SDKGroqZodRazorpayVitest

Helps college students track attendance without refreshing their ERP portal 47 times a day.

  • 20+ active users
  • Paying subscribers
  • 15 min → 30 sec onboarding
React NativeExpoFirebaseRazorpayGemini APINext.js
03

Quarry

A SQL query engine written from scratch that runs analytical queries 5× faster than SQLite.

  • 5× faster than SQLite
  • 731ms → 53ms GROUP BY
  • 68 tests passing
PythonNumPySQLSystems Programming

Aggregates tech events, hackathons, and meetups across India so you never miss one.

  • 3 event sources aggregated
  • Daily automated ingestion
Next.js 16SupabaseMapLibre GLTailwind CSSVercel
05

LitterLens

Detects illegal garbage dumps from satellite imagery and notifies the government in under 30 seconds.

  • Alerts in under 30s
  • Ward-level mapping
  • Team of 2
React NativeExpoYOLO/RoboflowFirebaseGoogle Maps API
06

Two-Do

A gamified RPG to-do app for duos. Turn chores into quests, earn XP, and level up with your partner instead of nagging each other.

  • 10 XP levels, 15 achievements
  • Real-time partner sync
  • QR + code pairing
React NativeExpo SDK 54TypeScriptFirebaseFirestoreReact Navigation
03 / skills

Tools I
wield.

Languages

C++PythonTypeScriptSQL

Frontend

React NativeNext.jsReactExpoTailwind CSSFramer Motion

Backend

Node.jsExpress.jsREST APIsFirebase AuthRazorpayWebhooksIdempotency

AI / ML

Google Gemini APIVercel AI SDKStructured Outputs (Zod)LLM EvaluationYOLO/RoboflowOpenCVMediaPipe

Systems & Data

NumPyQuery OptimizationVectorized ExecutionPerformance Profiling

Databases

FirebaseSupabaseMongoDB

Tools & Platforms

GitFigmaVercelRazorpayClaude CodeCursorNotion
04 / experience

Hackathons &
milestones.

Google Solution Challenge 2026

Hackathon

Built SahayakAI — an AI-powered crisis response system for hospitality using Gemini 2.5 Flash. Handled multilingual SOS triage, CCTV crowd analysis, and auto-generated compliance reports.

Team of 2 (404 Coders)·2026

INNOVATEX 4.0 — Presidency University

Hackathon

Built LitterLens (satellite-based garbage detection) and Syntrix (city-scale resource optimization for 20.4M population across 9 zones with AI demand prediction).

Team of 2·2026

NMIT Sparklab Designathon 2025

Design Event

Designed UI mockups and user flows under time constraints. First exposure to competitive UI/UX design sprints.

Team of 4·2025

Shipped a Monetized Product

Milestone

UniTrack has real paying subscribers via integrated Razorpay payments (₹19/mo). Built the entire payment flow, subscription logic, and role-based access from scratch.

Solo·2026

3 Live Deployed Applications

Milestone

Shipped and maintained production apps: unitrack-web.vercel.app, goirl-tau.vercel.app, and this portfolio.

Solo / Team·2025–2026
SAY HI
04 / contact

Got an idea?
Let's talk.

Open to internships, collaborations, and hackathons. Or just wanna talk basketball and art? Hit me up.

designed & built by moni — with curiosity & a little chaos © 2026