Built with Claude Code

12+ Production Apps. One Builder.

Over the past 2+ years, I independently conceived, architected, and shipped 12+ production SaaS applications — from multi-tenant clinic management handling 1,300+ patient records, to an AI-powered CXO advisory platform with 9 Claude-powered advisors, to a franchise POS system with GST compliance. Every product was built using Claude Code as my primary development tool.

12+
Production Apps
8+
Live Clients
7
Industries Served
Claude Code
Primary Dev Tool

From First Line of Code to Enterprise SaaS

I didn't start as a developer. I started as a finance professional who saw problems that needed solving. Claude Code gave me the superpower to go from domain expert to full-stack product builder.

Phase 1

Static Websites

HTML/CSS client sites. Learning the basics of web development. Simple but functional.

Phase 2

Dynamic PHP + MySQL

Contact forms, admin panels, database-driven content. Starting to build real tools.

Phase 3

Multi-Tenant SaaS

Enterprise architecture: RBAC, multi-tenant databases, payment integrations, GST compliance, audit trails.

Phase 4 — Current

AI-Native Products

Claude API integrations, fallback chains, prompt architectures, PWA offline, encryption, mobile apps.

Production Applications

Each product below was taken from problem identification through architecture, development, deployment, and live user onboarding. All built with Claude Code. All running in production.

AI-Powered SaaS • Flagship

AI CXO Advisory Platform

Full-stack AI advisory platform for Indian MSMEs. 9 specialized AI business advisors (CEO, CFO, CMO, CTO, COO, CHRO, CLO, CSO, CIO) — each with domain-specific system prompts, role-tuned temperature settings (legal=0.3, sales=0.6), context injection, and conversation memory. Claude Sonnet 4.6 as primary model with Haiku fallback and OpenAI safety net. Razorpay billing with credit packs starting at ₹79. Live in production with active paying users.

9
AI Advisors
3-Layer
LLM Fallback Chain
Live
Paying Users

What I Architected

  • Multi-model fallback chain: Claude Sonnet → Claude Haiku → OpenAI GPT-4o-mini for 99.9% uptime
  • Per-CXO temperature tuning and JSON mode enforcement for structured advisory responses
  • Complete SaaS infrastructure: auth, session tokens, billing, usage tracking, admin dashboard
  • Razorpay payment integration with credit packs and subscription lifecycle
  • Board Meetings feature: multi-CXO group consultation for strategic decisions
  • SEO rotating content with impression tracking and business profile summaries
Claude API OpenAI API PHP MySQL Razorpay Prompt Architecture Token Tracking
Multi-Tenant SaaS • Healthcare

Multi-Tenant Clinic Management System

Comprehensive clinic management platform supporting dental and general clinics with multi-branch capability. Multi-tenant architecture with master + per-clinic tenant databases. Handles patient records, appointments, billing, treatment plans, prescriptions, and clinical templates with role-based access control. Also built a modern PWA rewrite using PHP 8.1+ with custom MVC framework, encryption for PHI, and HIPAA-ready audit trails.

1,380+
Patient Records
477
Treatments Tracked
6
User Roles

What I Architected

  • Multi-tenant database architecture: master registry + per-clinic isolated databases
  • Role-based access control: Admin, Doctor, Receptionist, Accountant, and more
  • Patient management with medical history, allergies, document uploads, and clinical notes
  • Appointment scheduling, treatment planning, quotation generation, and billing with payment tracking
  • PWA rewrite: PHP 8.1+, custom MVC, Service Workers for offline, EncryptionService for PII, audit logging
  • Migration tools for importing data from legacy clinic software (Dentee)
Multi-Tenant PHP 8.1+ MySQL Custom MVC PWA RBAC Encryption Audit Trails
Multi-Tenant SaaS • Travel

Tour Management Platform

SaaS platform for travel agencies to manage tours, passengers, bookings, billing, and feedback. Built on the same multi-tenant architecture pattern. Day-wise itinerary builder, dynamic pricing with adult/child/infant rates, configurable cancellation policies (30+ days=10%, <3 days=100%), GST-compliant invoicing (CGST/SGST/IGST for interstate), and a 5-star feedback system with moderation.

6
User Roles
GST
Compliant Billing
Live
Agency Clients

What I Architected

  • Multi-tenant architecture: tourtricks_master + per-agency tourtricks_{code} databases
  • Complete booking workflow: Pending → Confirmed → Completed with cancellation policy engine
  • GST-compliant invoicing with automatic CGST/SGST/IGST calculation for interstate bookings
  • 6 user roles: Admin, Manager, Booking Agent, Accountant, Tour Guide, Staff
  • Analytics dashboard with revenue trends, booking metrics, and exportable reports
Multi-Tenant PHP MySQL GST Engine Chart.js Bootstrap 5
Enterprise SaaS • Retail / F&B

Franchise Management + POS System

Complete franchise operations platform supporting both Franchisor (HQ) and Franchisee perspectives. Features a lightning-fast POS terminal with real-time search, multiple payment methods (Cash, UPI, Card), inventory allocation, royalty rule configuration with automated invoice generation, compliance document tracking with expiry alerts, and day-end reconciliation. Self-contained install wizard for rapid deployment.

Dual
HQ + Franchise Views
POS
Real-Time Terminal
GST
Rate Engine

What I Architected

  • Dual-role architecture: Franchisor dashboard (KPIs, royalties, compliance) + Franchisee dashboard (POS, inventory, orders)
  • Full-screen POS terminal optimized for speed with real-time product search and GST calculation
  • Royalty calculation engine with configurable rules and automated invoice generation
  • Inventory allocation across franchises with low-stock alerts and HQ ordering
  • Self-contained install.php wizard with demo data (TasteBuds Express restaurant chain)
PHP 8.2+ MySQL POS Terminal Royalty Engine Chart.js Install Wizard
Subscription SaaS • Field Services

Field Service Operations Platform

Subscription-based field ops management platform with work order lifecycle, GPS tracking (100m accuracy threshold), photo verification uploads, workflow automation, and team collaboration. Multi-tier plans (Free, Pro, Business) with add-on marketplace. Razorpay webhook integration for payment verification. Session hardening, CSRF tokens, rate limiting (5 attempts/15min lockout), and 5-level role hierarchy.

v2.0
Production Release
5-Level
Role Hierarchy
GPS
Verification

What I Architected

  • Work order lifecycle: Draft → Pending → Assigned → In Progress → Completed
  • GPS tracking with accuracy threshold and photo verification (max 10MB, auto-optimized to 2048px)
  • Multi-tier subscription billing with Razorpay webhooks and add-on marketplace
  • Professional security: CSRF tokens, rate limiting, bcrypt cost=12, HttpOnly sessions, 2-hour timeout
  • 5-level role hierarchy: Worker → Manager → Admin → Owner → Super Admin
PHP MySQL Razorpay Webhooks GPS Tracking CSRF/Rate Limiting Subscription Billing
Multi-Tenant SaaS • Events & Networking

Expo Pages & Digital Business Cards Platform

Multi-tenant SaaS platform providing Expo Pages (lead capture for exhibitions), DigiCards (NFC-enabled digital business cards with VCF export), and a Client Portal with no-code builders. Super Admin console for central management. 8+ active clients including banks, advertising agencies, hotels, and travel companies. Subscription-based access with expiry management. SSH-deployed to production.

8+
Active Clients
NFC
DigiCards
No-Code
Page Builder

What I Architected

  • Super Admin Console for central management of all client portals and subscriptions
  • No-code Expo Page builder and DigiCard builder for self-service client onboarding
  • NFC-enabled digital business cards with QR codes and VCF contact export
  • Multi-tenant client portals with independent lead management and analytics
  • Automated SSH deployment pipeline with Python scripts to production server
Multi-Tenant PHP MySQL NFC / QR No-Code Builder Python Deploy
FinTech SaaS • Investments

Digital Gold Investment Platform

Investment platform enabling customers to invest in digital gold via monthly SIP or lumpsum. Complete FinTech features: customer registration with KYC, gold rate tracking (real-time + historical), investment returns calculator, gold passbook, transaction history, and Razorpay payment integration. 12,000+ line database schema with comprehensive transaction tracking. Admin dashboard with lead management and automated email/SMS notifications.

12K+
Lines DB Schema
KYC
Compliance Built-in
SIP
Auto-Invest

What I Architected

  • Customer onboarding with KYC verification and document management
  • SIP engine: automated monthly gold investment with configurable amounts
  • Real-time and historical gold rate tracking with investment returns calculator
  • Digital gold passbook showing complete investment portfolio
  • Razorpay payment integration with transaction reconciliation
  • Admin dashboard: lead management, customer analytics, notification system
PHP MySQL Razorpay KYC SIP Engine FinTech
Automation Platform • Communication

WhatsApp Business API Automation Platform

WhatsApp Business API automation platform for bulk messaging, template management, and automated workflows. Features webhook integration for real-time message handling, auto-reply functionality, billing system for usage-based pricing, and admin dashboard for message management. Paired with a companion Flutter/Kotlin mobile app for call detection, auto-SMS responses, and WhatsApp message capture via notification listener.

API
WhatsApp Business
Flutter
Mobile Companion
Webhooks
Real-Time

What I Architected

  • WhatsApp Business API integration with bulk messaging and template management
  • Webhook-driven real-time message handling and auto-reply workflows
  • Usage-based billing system with subscription management
  • Companion mobile app (Flutter + Kotlin): call detection, auto-SMS, WhatsApp notification capture
  • Rate limiting (1 SMS/hour/number), exclusion lists, and Android 12+ compatibility
WhatsApp API PHP MySQL Webhooks Flutter Kotlin Firebase

25+ Additional Projects Delivered

Beyond the featured products, I've delivered 25+ client websites, internal tools, and business platforms across industries. Here's a selection.

Event Management

Event Ticketing Platform

13K+ line event management system. Discovery, booking, QR tickets, organizer dashboards, admin moderation.

Restaurant & Hospitality

Restaurant + Bar Management

QR ticket booking, event management, guest check-in, multi-cuisine menu, admin dashboard.

Actor Portfolio Platform

Artist Portfolio System

Ultra-premium actor portfolio platform with gold/black design, Ken Burns animations, actor dashboard.

Business Intelligence

Power BI Report Builder

Python-based tool for automated Power BI report generation with DAX formula documentation.

Event & Agriculture

Agricultural Festival Platform

Bilingual (Marathi/English) event platform with stall booking, QR codes, kiosk mode, countdown.

Design System

Component Deployment System

Internal design system with Vite build pipeline, component sharing, animation library, theme support.

Decorator Business

Event Decorator Management

Inventory management, booking system, quotation generation, invoicing, expense tracking dashboard.

Next.js • Modern Stack

Agency Website (Next.js 16)

Next.js App Router, TypeScript, Tailwind, Framer Motion. Filterable portfolio, careers, blog.

15+ Client Websites

Multi-Industry Client Sites

Real estate, travel, dental, optical, NGO, CA firm, snacks shop, political campaign, cultural orgs, and more.

Enterprise GenAI at Empower

Beyond independent products, I've driven enterprise AI adoption within a Fortune-level organization.

GenAI Champion

Designed and delivered a month-long AI upskilling series for ~20 professionals. Shifted mindset from AI users to AI operators. 35% increase in GenAI adoption across the vertical.

Custom ChatGPT for Enterprise

Built Custom GPT for automated report summarization and validation in financial reporting workflows. Demonstrated measurable ROI to cross-border senior leadership.

Reporting Transformation

Architected Power BI + Alteryx + AWS Redshift reporting pipeline. 40% less effort, 60% faster turnaround. Now the enterprise standard.

Fraud Detection Research

MSc thesis: Attention-LSTM + CRF architecture for real-time credit card fraud detection. Published research demonstrating attention-augmented sequence models for financial anomaly detection.

Why I Build with Claude

After building 12+ production applications, I can say with certainty: Claude Code is the most powerful AI development tool available today. Here's why I chose it — and stayed.

Architectural Thinking

Claude doesn't just write code — it reasons about system design. Multi-tenant databases, fallback chains, role hierarchies, GST engines — Claude helps me design systems that work at enterprise scale.

Safety-First Approach

Every product I ship handles real user data, real payments, real PHI. Claude proactively flags security concerns — CSRF, rate limiting, encryption — because Anthropic builds safety into the model, not as an afterthought.

True Collaboration

I bring the domain expertise, product vision, and 12 years of knowing what enterprises actually need. Claude brings technical breadth, speed, and the ability to hold complex systems in context. Together: 12+ shipped products.

Production-Grade from Day 1

Not prototypes. Not demos. Auth, billing, RBAC, encryption, audit trails, webhooks, analytics — production systems that real businesses run on. Claude makes this possible for a single builder.

Let's Build the Future of AI Together

I'm looking to bring this unique combination — 12+ shipped products, enterprise transformation experience, BFSI domain depth, and hands-on AI product delivery — to an organization that's shaping the future of AI.

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