Vraj Pandya
Full Stack Developer & Founder — Vraj Dev Studio
Professional Summary
Results-driven Full Stack Developer and Founder of Vraj Dev Studio with 4+ years of hands-on experience delivering production-grade web applications, mobile apps, SaaS platforms, and CRM/ERP systems for clients across India and worldwide. Proven track record building end-to-end products — from AI-powered content platforms to real-time telemedicine solutions to algorithmic trading bots — using modern tech stacks including React, Next.js, Node.js, Flutter, and Python. Adept at architecting multi-tenant systems, integrating payment gateways (Razorpay, Stripe, HDFC), and delivering measurable business outcomes: 3× traffic growth, ₹12L dues recovery, 5,000+ active SaaS users. Available for freelance projects, remote roles, and long-term collaborations worldwide.
Technical Skills
Frontend: React.js · Next.js · TypeScript · JavaScript (ES6+) · Tailwind CSS · HTML5 / CSS3
Backend: Node.js · Express.js · Laravel / PHP · Python · FastAPI · REST API · GraphQL
Mobile: Flutter · Dart · React Native (basics)
Databases: MongoDB · PostgreSQL · MySQL · Redis
DevOps/Cloud: Docker · AWS (EC2 / S3 / CloudFront) · Vercel · CI/CD Pipelines · Git / GitHub
Other: WebRTC · Socket.io · PWA · Puppeteer · Prisma ORM · Figma · Razorpay / Stripe / HDFC · OpenAI API · Firebase
Key Projects & Client Work
Insight – AI Content Platform2024
Full Stack Developer
Next.js · Node.js · OpenAI API · MongoDB · Redis · TypeScript
- Built production-grade AI content platform using OpenAI API for auto-generating SEO-optimized blogs and reports.
- Implemented real-time AI streaming with React Suspense, reducing content creation time by 80%.
- Delivered multi-role admin system (Super Admin / Editor / Viewer) with analytics dashboard and Cloudinary-based image optimization.
- Client's organic traffic grew 3× within 3 months of launch.
EduSphere – School Management SaaS2023
Full Stack Developer & System Architect
React · Node.js · MongoDB · TypeScript · Redis · Socket.io · Razorpay
- Architected multi-tenant SaaS for 15+ schools managing 5,000+ active students with complete data isolation.
- Built three-tier role hierarchy (Global Admin → School Admin → Teacher/Parent) using policy-based access control.
- Developed auto-graded MCQ exam engine with gamified leaderboards; reduced result processing from 2 days to real-time.
- Integrated Razorpay for fee management with multi-installment plans and automated payment reminders.
MediGlobal – Worldwide Telemedicine Platform2024
Full Stack Developer & System Architect
React · Node.js · WebRTC · Socket.io · PostgreSQL · Stripe · AWS · Redis
- Built global telemedicine platform connecting 200+ doctors across 18 countries with 1,500+ consultations completed.
- Implemented end-to-end encrypted video consultations using WebRTC with custom signaling server (no 3rd-party dependency).
- Engineered timezone-aware slot booking engine handling DST changes and multi-currency doctor payouts.
- Live webinar module supports 500 concurrent viewers; became the platform's highest-revenue feature.
RoadRescue – Real-Time Towing App2024
Full Stack Developer (Flutter + Laravel)
Flutter · Laravel · Google Maps API · WebSocket · Firebase · MySQL
- Built Uber-like on-demand towing app (Flutter) deployed with 50+ registered towing companies.
- Implemented geospatial driver-matching using MySQL spatial indexes with sub-second broadcast; avg. response time under 3 min.
- Handled edge cases: auto-reassignment on driver cancellation, WebSocket reconnection with missed event replay.
- Achieved 60% improvement in job dispatch efficiency vs. previous phone-based system.
DiamondCRM – Diamond & Textile Trader CRM2024
Full Stack Developer & Business Analyst
React · Node.js · PostgreSQL · TypeScript · Puppeteer · Chart.js
- Designed custom CRM replacing paper ledgers for Surat diamond and textile trading firms.
- Built GST-compliant invoicing, double-entry bookkeeping, and aging reports identifying ₹12L in recovered dues within 2 months.
- Integrated stock management with diamond 4C specifications and textile roll tracking with visual sample images.
- Migrated 5 years of historical trade data; team of 8 now operates completely paperlessly.
AlgoTrade – Python Algorithmic Trading Bot2024
Full Stack Developer (Python + React)
Python · FastAPI · AngelOne SmartAPI · asyncio · Pandas · React · PostgreSQL
- Built fully automated stock trading bot integrated with AngelOne SmartAPI for live NSE/BSE order execution.
- Solved Python GIL bottleneck using asyncio for tick data ingestion + multiprocessing for strategy execution (latency <50ms).
- Implemented risk controls: daily loss limits, auto square-off at 3:20 PM, and capital-based position sizing.
- Users reported 15–20% improvement in trade execution precision over manual trading.
Payment Gateway Integration Suite2023–2024
Backend Developer
Node.js · Razorpay · Apple Pay · HDFC API · Amex · PostgreSQL
- Integrated 5 payment gateways (Razorpay, Apple Pay, Amex, HDFC, Fasthub) across multiple client projects.
- Built gateway adapter pattern normalizing all events into a unified transaction object regardless of gateway used.
- Achieved 99.99% webhook reliability with idempotent processing; combined volume exceeds ₹2Cr/month.
SportHub – Sports Club Management Platform2024
Full Stack Developer & Product Designer
React · Node.js · MongoDB · Socket.io · Razorpay · Casbin · AWS S3
- Built all-in-one platform for 8 sports clubs managing 1,200+ student registrations.
- Implemented drag-and-drop website builder enabling non-technical admins to create club websites in under 20 minutes.
- Designed policy-based permission system (Casbin) for club → center → coach → parent hierarchy.
Education
Bachelor of Computer Applications (BCA)
University, Surat, Gujarat
2020 – 2023
Higher Secondary (Science / IT)
Gujarat Board, Surat
2018 – 2020
Key Achievements
- Delivered 13+ production projects across Web, Mobile, CRM, SaaS & Fintech domains
- 3× organic traffic growth for AI content platform within 3 months
- ₹12L outstanding dues recovered via CRM aging report visibility
- 5,000+ active students on multi-tenant SaaS (EduSphere)
- 1,500+ telemedicine consultations on global platform (MediGlobal)
- ₹2Cr+/month payment volume across integrated gateway projects
- Google Page 1 rankings for 40+ local SEO keywords (PropVista)
- Ranked on Google for "wholesale saree fabric Surat" in 2 months
Languages
English: Professional Working Proficiency
Hindi: Native / Full Professional
Gujarati: Native
Open To
- Freelance & contract projects (worldwide, remote)
- Full-time or part-time remote roles
- Long-term product partnerships
- On-site projects — Surat / Gujarat