Hello, I'm

Sarbesh
Kumar Tiwari.

Full-stack developer & AI/ML engineer

I write code, build web and mobile apps, and explore machine learning. Based in Noida, India, this is a collection of my work and what I've learned along the way.

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Open to opportunities Noida, IndiaSelected work below
01 / SELECTED PROJECTS

Some things I've worked on.

Products I've built recently, and selected work from my professional roles.

01 / SaaSActive

Reachout

Outreach and the job search in one place

I designed and built Reachout end to end: campaigns sent from the user's own email, reply detection that works out what each person wants, application tracking from the inbox, job matches and a no-code website builder.

PythonFlaskMongoDBReactViteCloudinary
Visit live website View the code
My role & project details
THE CHALLENGE

Keep every message personal and sent from the user's own account, while keeping their data private and encrypted.

MY CONTRIBUTION

Product, design & full-stack engineering · Personal product

  • Personal email & WhatsApp campaigns
  • Reply detection & application tracking
  • No-code one-page website builder
  • Encrypted at rest, deployed on Render + Netlify
02 / Ad TechIn Progress

AdPilot

An ad network for AI thinking time

I built a browser extension that detects when ChatGPT, Claude or Gemini start generating and shows one sponsored card, plus the ad server and portals for advertisers, earners and the platform team.

TypeScriptNode.jsExpressPrismaPostgreSQLRedisReactChrome ExtensionRazorpay
View the code
My role & project details
THE CHALLENGE

Turn a few seconds of waiting into a fair, privacy-respecting ad slot: advertisers only ever see aggregates, never an earner's identity.

MY CONTRIBUTION

Architecture & full-stack engineering · Personal product

  • Chrome extension (Manifest V3)
  • Geo targeting down to city and area
  • Prepaid wallets with Razorpay
  • Mandatory TOTP for admin accounts
03 / AI ToolActive

VoicePilot

Talking to terminal AI agents

I built a voice layer that wraps any terminal agent (Claude, Codex, Aider, Ollama), reads its reply aloud when it finishes and types your next spoken prompt. Solo mode controls the computer itself.

Pythonfaster-whisperPTYmacOSWindows
View the code
My role & project details
THE CHALLENGE

Know when an agent has actually finished, without changing how the agent runs, and keep the user's voice on their machine.

MY CONTRIBUTION

Design & engineering · Open source

  • Works with any terminal agent
  • Local speech recognition, no API keys
  • Solo mode with a custom wake word
  • macOS and Windows installers
04 / Quick CommerceActive

Ziptat

A quick-commerce fashion platform

I worked across the whole Ziptat platform: the NestJS API with its background worker and WebSocket gateway, the seller and ops consoles, the marketing site and the Flutter customer and rider apps.

NestJSPostgreSQLPostGISRedisPrismaReactNext.jsFlutter
Visit live website
My role & project details
THE CHALLENGE

Coordinate customers, sellers and riders in real time to deliver clothing within 30 minutes.

MY CONTRIBUTION

Full-stack & mobile engineering

  • Customer & rider Flutter apps
  • Seller studio & ops console
  • Real-time order updates
  • PostgreSQL/PostGIS location logic
05 / AI GamingActive

Arc-AGI-3 Games Platform

My work on an interactive AI games platform

I work on gameplay interactions, user authentication, and activity tracking for a platform built around ARC-AGI-3 games.

PythonJavaScriptDockerMongoDB
My role & project details
THE CHALLENGE

Bring game interactions and player activity into one usable platform.

MY CONTRIBUTION

Full-stack development · Quess Corp

  • Interactive gameplay
  • Multi-user authentication
  • Activity tracking
More web platforms, mobile apps, and experiments.Explore all 30 projects
02 / ABOUT ME

A little about my background.

A LITTLE ABOUT ME

I started with data science.
I kept coming back to
building things with code.

I'm Sarbesh Kumar Tiwari, a developer based in Noida, India, with a B.Tech in Data Science & Artificial Intelligence. I build across the stack—from the interface people touch to the systems that make it work.

At Quess Corp, I work on interactive AI gaming platforms, authentication, and puzzle experiences. My work brings together a foundation in machine learning and hands-on product engineering.

Get my résumé
Noida, IndiaB.Tech · Data Science & AISmart India Hackathon 2022 finalist
03 / THE JOURNEY

Where I've worked.

From mobile products to production web platforms—and now, interactive AI.

Feb 2026 - PresentCURRENT CHAPTER

Quess Corp

Full Stack Developer · Gurugram, India

01

Building interactive AI gaming platforms, multi-user authentication and activity tracking. Working on ARC-AGI-3 games and Pencil Puzzle Bench.

PythonJavaScriptDockerNode.jsMongoDBAWS
Jul 2024 - Feb 2026

Ecorp Infosystems Pvt. Ltd.

Full Stack Developer · Noida, India

02

Developed and deployed 10+ full-stack applications on AWS EC2, improving system scalability and increasing user engagement by 40%.

ReactNext.jsNode.jsMongoDBMySQLTailwindAWSLinuxPM2Nginx
More about this role +
  • Built secure, stateless RESTful APIs using Node.js with JWT-based authentication, reducing identified vulnerabilities by 90%.
  • Automated server provisioning and deployment on Linux environments using shell scripts, reducing manual setup time by 70%.
  • Ensured high availability for Node.js applications using PM2 and configured Nginx as a reverse proxy for load balancing and SSL termination.
  • Improved team efficiency by leading peer code reviews and adhering to Agile practices, accelerating sprint delivery by 25%.
Apr 2024 - Jun 2024

Aayan India

Flutter Developer · Lucknow, India

03

Designed and implemented modern UIs for Flutter and React Native apps, including authentication flows, dashboards, booking modules, and property listing screens.

FlutterReact NativeFirebase
More about this role +
  • Created responsive, pixel-perfect mobile layouts with animations, push notifications, and offline support.
Jun 2023 - Oct 2023

iWashhub

Flutter Developer · Lucknow, India

04

Designed and developed the iWashHub mobile app from scratch using Flutter, delivering a seamless laundry booking experience with authentication, order scheduling, and payment integration.

FlutterNode.jsFirebaseMySQLGoogle Maps APIRazorpay
More about this role +
  • Built a full-stack backend with Node.js & Express, handling user management, booking workflows, and real-time order tracking.
04 / SKILLS

Tools I work with.

Languages, frameworks, and tools I use across my projects and day-to-day work.

AI & Machine Learning

From computer vision to interactive AI platforms.

PythonTensorFlowOpenCVData AnalysisTwilio API

Frontend & Mobile

Interfaces that feel as good as they function.

ReactNext.jsTypeScriptJavaScriptTailwind CSSFlutterReact Native

Backend & Data

The systems behind the experience.

Node.jsExpress.jsREST APIsMongoDBMySQLFirebaseJWT

Cloud & Delivery

From local development to production.

AWSDockerLinuxNginxPM2Git
05 / PERSONAL PROJECTS & AI

What I've been exploring.

Exploring how machine learning can turn everyday interactions into more useful experiences.

COMPUTER VISION × MUSIC

Emotion Music Player

My Emotion Music Player uses webcam-based emotion detection to recommend music that matches a listener's mood. It connects computer vision with an everyday experience.

PythonOpenCVTensorFlow
01Webcam input
02Emotion detection
03Music recommendation
PROJECT WORKFLOW · NO LIVE CAMERA ACCESS
ALSO EXPLORING
02 / CONVERSATIONAL EXPERIENCES

Food Order WhatsApp Chatbot

A Python and Twilio chatbot that makes food ordering conversational.

View AI projects
The foundations: IBM machine learning & data science
06 / GET IN TOUCH

Want to say hello?

If you'd like to talk about a role, collaborate on a project,
or ask about my work, I'd love to hear from you.

Let's talk