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Devang GuptaSoftware Engineer

I build things that do things.

Mobile.Systems.AI.
Autonomous agents & production platformsScroll to explore
STARZ Mobile Application Overview

01 / 06STARZ AI EngineFLAGSHIP SUITE

The Agent Architecture

01 / 04

The suite on a phone, whole

Engineered a synchronized ecosystem of AI agents that independently manage local search ranking, web presence, and customer conversation from a single unified interface.

02 / 04

Three agents, each running on its own card

Architected multi-agent orchestration layer

03 / 04

Onboarding into the workspace

Built responsive mobile and web dashboard client

04 / 04

Shared telemetry, read across every agent

Integrated cross-agent shared telemetry state

  • Next.js
  • Python
  • FastAPI
  • Meta Graph API
  • Tailwind CSS
STARZ AI Rank Dashboard

01 / 06STARZ AI EngineLOCAL SEARCH AGENT

AI Rank Optimization

01 / 04

The local search audit console, whole

Audits Google Business Profile health, tracks local search visibility, and generates the keyword and content changes that move a listing up the local pack.

02 / 04

Profile health scored, with monthly reach

Implemented DIBIL profile health score and audit view

03 / 04

Keyword audit against ranked competitors

Built geo-ranking keyword audit and competitor grid

04 / 04

Map queries and action telemetry

Integrated map and action telemetry metrics

  • Next.js
  • FastAPI
  • Maps API
STARZ AI Pages Generator

01 / 06STARZ AI EngineWEB AGENT

AI Landing Page Generator

01 / 04

The page generator, whole

Generates complete conversion-focused landing pages from a business profile, with integrated lead capture and mobile-first layouts, ready to publish.

02 / 04

A landing page generated on the canvas

Built landing page generation and visual builder canvas

03 / 04

Leads landing in the capture rail

Constructed integrated lead capture telemetry

04 / 04

The mobile-first preview container

Engineered responsive preview container

  • Next.js
  • Tailwind CSS
  • FastAPI
STARZ WhatsApp and Review Automation Panel

01 / 06STARZ AI EngineCONVERSATIONAL AGENT

WhatsApp & Review Automation

01 / 04

The conversation console, whole

Answers inbound WhatsApp conversations automatically and posts replies to Google Business Profile reviews and comments, keeping every thread handled and scored without a human in the loop.

02 / 04

Inbound WhatsApp, answered as it streams

Built WhatsApp automation with streaming generated replies

03 / 04

Review and comment replies posted back to Google

Automated Google Business Profile review and comment responses

04 / 04

Lead qualification, scored 85 out of 100

Constructed lead qualification scoring across both channels

  • Next.js
  • WhatsApp API
  • WebSockets
  • FastAPI
Starz ecosystem — conclusion

Three AI systems. One product ecosystem.

From Google Business Profile ranking to generated landing pages to automated WhatsApp and review replies — all unified in one full-stack architecture.

Built as part of Starz Ventures. All rights reserved by the company.

02 / 06ReadoraMOBILE ARCHITECTURE

Engineered For Pure Reading

01 / 04

The reader running, whole

Built an offline-first mobile reading experience with SQLite local storage, fast EPUB/PDF document indexing with PyMuPDF, and seamless theme inversion.

02 / 04

A local library, parsed and indexed on device

Engineered offline document parsing pipeline with PyMuPDF & FastAPI

03 / 04

State held in SQLite, no network in the loop

Implemented local library state synchronization using Zustand & SQLite

04 / 04

Gestural page turns and theme inversion

Built smooth gestural reading interface in React Native & Expo

  • React Native
  • Expo
  • TypeScript
  • Zustand
  • SQLite
  • FastAPI
  • Python
  • MongoDB Atlas
  • PyMuPDF
Outbound Calling Agent Workspace

03 / 06Outbound Calling AgentREAL-TIME VOICE AI

Real-time Telephony Pipeline

01 / 04

The outbound calling workspace, whole

Engineered an outbound calling platform integrating Pipecat and Gemini Live over Twilio telephony channels with automated call outcome extraction.

02 / 04

Audio moving both ways over one socket

Constructed low-latency audio streaming pipeline over WebSockets

03 / 04

Turn-taking as the agent holds a call

Integrated Pipecat voice pipeline with Gemini Live

04 / 04

A CSV of leads becoming a dial queue

Built outbound calling dashboard with CSV lead ingestion

  • FastAPI
  • Python
  • Twilio
  • Pipecat
  • Gemini Live
  • WebSockets
EstateX Property Marketplace Dashboard

04 / 06EstateXPROPERTY PLATFORM

Verified Real Estate Platform

01 / 04

The broker property dashboard, whole

Architected a live commercial and residential property platform with structured Indian Rupee (₹) price formatting, locality indexation, and verified inquiry flows.

02 / 04

864 verified listings, filtered live

Built high-density property grid and search indexing

03 / 04

Rupee packages, formatted to the lakh

Constructed localized currency formatters and data models

04 / 04

Type, category and locality controls

Developed responsive web portal and mobile app architecture

  • Flutter
  • Dart
  • Firebase
AI Reel Agent Video Editing Software

05 / 06AI Reel AgentVIDEO PIPELINE

Automated Short-Form Video Pipeline

01 / 04

The video pipeline workspace, whole

Created an automated short-form video generation tool that parses speech with Whisper, generates animated word-by-word subtitles, and renders 1080×1920 MP4 outputs via FFmpeg.

02 / 04

Upload, transcribe, caption, render

Built 4-stage sequential video rendering pipeline

03 / 04

Whisper splitting speech word by word

Integrated Whisper automated speech transcription

04 / 04

Captions burned to a 1080 × 1920 cut

Engineered FFmpeg caption burning and aspect ratio formatting

  • Flutter
  • FastAPI
  • Python
  • FFmpeg
  • Whisper
06 / 06PeerlyTalent marketplace

Marketplace, Chat & Payment Rails

Built a full-stack freelance platform featuring category talent discovery, real-time WebSocket chat messaging, and native Razorpay checkout payment integration.

  1. 01Talent discovery

    Engineered talent discovery catalog and service listing schemas

  2. 02Real-time chat

    Constructed real-time WebSocket chat messaging system

  3. 03Razorpay checkout

    Integrated Razorpay payment gateway and webhook verification

  • React
  • Node.js
  • Express
  • MongoDB
  • JWT
  • WebSockets
  • Razorpay
Peerly Talent Discovery Dashboard
Peerly Real-time Chat Interface
Peerly Razorpay Payment Checkout
MORE BUILDS

Experiments, prototypes and everything in between.

About — philosophy

Engineering systems that operate with autonomy, speed and craft.

I build mobile applications, real-time voice and telephony pipelines, and coordinated multi-agent AI systems.

Offline-first mobile databases, full-duplex conversational voice, verified property platforms at scale — different problems, one habit: direct execution and clean interfaces.

Get in touch

Have something worth building? Let's talk.

Open to engineering roles, systems architecture, and high-impact software builds.

© 2026 Devang Gupta. All rights reserved.