Available for new opportunities
Hi, I'm Chetan.
I build things for the web.
Senior Full-Stack Developer — I build scalable, AI-powered web applications with React, Next.js, Node.js and Azure — 12+ years of shipping products end-to-end.
About Me
12+ years of turning complex ideas into products
Full-stack developer with 12+ years of experience building scalable web applications using React, Next.js, Node.js, .NET (C#), and SQL Server. Skilled in API integrations, real-time apps, and AI tools including OpenAI. Strong expertise in cloud-native development with Microsoft Azure (AKS, Functions, Cosmos DB, Container Apps), CI/CD with Azure DevOps, and Docker. Adaptable, delivery-focused, and experienced in handling complex, end-to-end projects.
Full-Stack Ownership
From pixel-perfect frontends in React/Next.js to Node.js and .NET backends, databases and cloud infra — I ship complete products end-to-end.
AI-First Engineering
OpenAI and Azure AI integrations in production: AI chat assistants, structured GPT pipelines, sentiment analysis and automated summaries at scale.
Cloud-Native on Azure
AKS, Azure Functions, Container Apps, Cosmos DB, Terraform IaC and Azure DevOps CI/CD — production infrastructure done right.
Real-Time Systems
Socket-driven trading platforms, live sports analytics, SignalR chat — I build systems that stay fast and stable under high traffic.
Career
Experience
12+ years growing from junior developer to leading complex, end-to-end product delivery.
Jun 2020 — Present
Senior Full-Stack Developer
DivTech System
- Leading end-to-end delivery of AI-driven SaaS platforms built on Next.js, Supabase and Azure.
- Architected multi-tenant systems with role-based access, real-time pipelines and OpenAI integrations.
- Owning cloud-native infrastructure: AKS, Azure Functions, Cosmos DB, Docker and Azure DevOps CI/CD.
Mar 2018 — May 2020
Senior Full-Stack Engineer
Pratsware Technologies Pvt. Ltd.
- Built real-time trading and e-commerce frontends in React with socket-driven live data.
- Integrated 7+ payment gateways and 12+ stock-market broker APIs (Zerodha, Angel One, Dhan, 5Paisa).
- Delivered complex drag-and-drop builders and data-heavy dashboards used in production SaaS.
Apr 2015 — Feb 2018
Senior Full-Stack Developer
Key Concepts LLP
- Developed .NET (C#) + React platforms including a single-handedly built chatbot SaaS product.
- Implemented live chat with SignalR, WhatsApp/Telegram bots, and Zapier/Shopify integrations.
Apr 2014 — Mar 2015
Junior Web Developer
Acceligent Technologies LLP
- Started professional journey building responsive web applications and honing full-stack fundamentals.
Academics
Education
Formal grounding in computer science that underpins 12+ years of hands-on engineering.
2012 — 2015
Master of Computer Applications (MCA)
Sinhgad Institute of Technology, Pune
Focused on software engineering, data structures, database management and application development.
2009 — 2012
Bachelor of Computer Applications (BCA)
Bhagwan Mahaveer College of Computer Application
Foundations in programming, web technologies and computer science fundamentals.
Toolbox
Skills & Technologies
The stack I use to design, build, ship and operate production software.
Languages
Frontend
Backend
Databases
DevOps
Payments & Integrations
AI & Tools
Portfolio
Featured Projects
Production systems I've architected and shipped — AI platforms, real-time trading, sports analytics and SaaS products.
Doctours
Medical-tourism platform connecting patients with verified clinics (initially hair restoration). Handles clinic matching, pricing transparency, travel and accommodation logistics, scheduling, payments and post-treatment care in one place.
- Real-time sync (Convex) unifying patient, clinic and admin workflows
- AI-assisted photo assessment and automated email/SMS reminders
- Coordinator dashboards: packages, payouts, tasks and recovery tracking
Legal-tech platform connecting green-card applicants with law firms and attorneys. Multi-tenant case management with AI-powered reports, insights and summaries, secure 2FA and PDF analysis.
- AI-generated reports, insights and case summaries
- Tenant isolation via Supabase Row-Level Security + 2FA
- PDF analysis and CRM integration with Clio
Flirtbate
Live video-streaming platform offering one-to-one video calls with per-minute billing, in-call chat, and a role-based admin panel for payouts, moderation and 24/7 support.
- One-to-one video calls with per-minute billing via Zego Cloud
- Role-based admin for payouts, moderation and ticketing
- Core Web Vitals-optimized with analytics & funnel tracking
SekureMe Dashboard
Centralized merchant and model management dashboard with multi-role authentication, merchant onboarding, real-time chat and notifications, analytics and integrated payments.
- Multi-role authentication and role-based access
- Real-time chat and notifications via CometChat
- Analytics dashboards with Stripe & Razorpay payments
Lucky Backyard
Global multi-currency property platform with live forex conversion, transaction-specific rate locking, multi-step property creation and unified currency reporting.
- Live forex conversion with transaction-specific rate locking
- Multi-step property creation and checkout
- Unified multi-currency reporting
AI-powered SaaS platform for managing chatbots with multi-provider authentication, org/user management, an AI chat interface and dynamic role-based access control.
- Multi-provider auth: Google, GitHub, email via Clerk
- Org/user management and AI chat interface
- Subscription and role-based access control
Real-time football league & player stats platform: live match details, player and team comparisons, live leaderboards and interactive charts across multiple leagues.
- Real-time match details with live updates
- Player/team comparisons and interactive charts
- League, team and player management dashboards
AI platform that auto-fetches and classifies YouTube comments by sentiment and category in real time on a collaborative live dashboard.
- Asynchronous processing pipelines with Inngest
- GPT sentiment/category classification at volume
- Real-time multi-tenant dashboard secured by Supabase RLS
Super-Club & Super-Creator
Business campaign management platform with a campaign/catalog builder, meeting scheduling, document generation and integrated payments for creators and clubs.
- Campaign builder and catalog design tools
- Zoom + Google Calendar meeting scheduling
- PDF/Word document generation with Razorpay payments
FileXTool
All-in-one file conversion and utility suite: file, media, document and audio conversion across formats, plus advanced PDF tasks like merge, split, watermark, repair and lock.
- File / media / document / audio conversion across formats
- Advanced PDF tools: merge, split, watermark, repair, lock
- Sample-file library and handy frontend utilities
Chrome extension + web app that centralizes job postings from LinkedIn, Indeed and Google Jobs into one dashboard, with GPT-based summaries and application tracking.
- Centralized job management across multiple platforms
- Chrome extension with search/filter and add-to-save
- GPT summaries and application tracking
Multipurpose chatbot builder SaaS with a drag-and-drop conversation designer, live chat, payment gateways and WhatsApp/Telegram bots — built single-handedly.
- Full drag-and-drop flow designer with conditional branching
- 7 payment gateways and 10+ integrations (Zapier, Shopify)
- Real-time live chat on SignalR
Algorithmic trading platform where customers build option and equity bots with complex rules, backtest them, and trade in real time via 12+ integrated brokers.
- Two complex bot builders (options & equity)
- Real-time prices and P&L over sockets
- OAuth with 12+ brokers: Zerodha, Angel One, Dhan, 5Paisa
GoShop
Full-featured e-commerce platform: multi-option payments, order tracking, refunds, loyalty points, coupons, gift cards and gamified rewards.
- Payment gateways, refunds to source or wallet points
- Order lifecycle: creation, tracking, cancellation
- Unit-tested UI with Jest and mocks
Testimonials
What clients say
A few words from clients I've worked with on Upwork.
Chetan is a highly talented full-stack developer. Very dedicated, determined, and punctual — he delivered exactly what we needed.
Excellent with JavaScript, Node and React. A true professional and a valuable resource for any team.
Pro-level developer. Quick and prompt — completed the job exactly as promised.
Qualified frontend developer, perfect for projects. He has real leadership and initiative.
Contact
Let's build something great together
I'm currently open to senior full-stack roles and challenging product work. My inbox is always open — I'll get back to you as soon as I can.