AI Automation & LLM Integration
Build AI-powered assistants, chatbots, workflow automation, Claude/OpenAI integrations, local LLMs, AI agents, and intelligent business automation.
// hello, i am
Fulaji Thakor
Lead Full Stack Engineer | VoIP & Backend Specialist
Lead Full Stack Engineer with 7+ years of experience building and scaling VoIP-based SaaS platforms and backend systems. Deep expertise in Node.js, Laravel, real-time communication (Socket.IO), and multi-provider VoIP integration (Twilio, Telnyx, SignalWire).
// about me
Who I Am
Lead Full Stack Engineer with 7+ years of experience building and scaling VoIP-based SaaS platforms and backend systems. Deep expertise in Node.js, Laravel, real-time communication via Socket.IO, and multi-provider VoIP integration with Twilio, Telnyx, and SignalWire. Proven ability to architect high-throughput call routing engines, bulk messaging platforms, and live monitoring systems. Complements backend strength with solid frontend skills in Angular, Vue, and React to deliver end-to-end production-ready solutions.
Download CV- experience
- 7+ years
- location
- Gandhinagar, Gujarat, India
- fvthakor11@gmail.com
// what i do
Services
Full Stack Web Development
End-to-end web applications with NodeJS, Angular, Vue, React, Laravel, modern JavaScript, and responsive Tailwind interfaces — from concept to production.
VoIP & Telephony Solutions
Custom VoIP platforms, call routing, IVR flows, and telephony integrations built on Twilio, Telnyx, Signalwire, Vonage, Plivo etc....
API Development & Integration
Robust REST APIs, third-party service integrations, and webhook pipelines with authentication, versioning, and documentation.
Backend Architecture & Optimisation
Database design, query optimisation, queue processing, and caching strategies that keep applications fast at scale.
CI/CD & Cloud Deployment
Design and implement automated CI/CD pipelines with GitHub Actions, Docker, AWS (EC2, ECS, ECR), Azure, DigitalOcean, and Linux servers for fast, reliable, and zero-downtime deployments.
Real-Time Applications
Build scalable real-time systems using WebSockets and Socket.IO for live chat, notifications, call monitoring, dashboards, collaborative apps, and instant data synchronization.
SaaS Platform Development
End-to-end SaaS application development including multi-tenant architecture, authentication, subscriptions, billing, user management, and scalable backend services.
Payment Gateway Integration
Secure payment integrations with Stripe, Razorpay, subscriptions, recurring billing, webhooks, invoices, and payment automation.
Mobile App Development
Cross-platform mobile applications with Flutter, Firebase, REST APIs, push notifications, and offline-first architecture.
// selected work
Projects
// career log
Experience
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Apr 2026 — Present · Gujarat, India
Freelance Full Stack Engineer
Self-Employed
Working independently on VoIP, real-time communication, and full-stack web projects. Building scalable backend systems and integrating multi-provider telephony solutions for clients.
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Aug 2023 — Apr 2026 · Gandhinagar, Gujarat, India
Senior Full Stack Developer / Lead Engineer
Digipine Infotech LLP
Lead backend architecture for VoIP and messaging SaaS platforms. Designed scalable call routing engines and built real-time live monitoring systems.
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Mar 2023 — Aug 2023 · Gandhinagar, Gujarat, India
Senior Associate (Node.js)
DRC Systems
Developed secure and scalable REST APIs using Node.js. Improved database performance and application scalability for production systems.
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Dec 2021 — Feb 2023 · Gandhinagar, Gujarat, India
Full Stack Developer
Xsquare Technology
Built real-time web applications using Node.js, Angular, Vue.js, and Socket.IO. Owned backend API development while actively contributing to frontend UI.
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Mar 2018 — Oct 2021 · Gandhinagar, Gujarat, India
Web Developer
Xsquare Technology
Delivered multiple production-grade web applications using CodeIgniter, Laravel, Node.js, Vue, and Angular. Worked across e-commerce, CMS, VoIP, and communication domains.
// tools of the trade
Tech Stack
APIs
- JWT
- REST API
- Webhooks
- OAuth
- Swagger
Cloud & DevOps
- DigitalOcean
- Nginx
- Linux
- CI/CD
- Azure
- Docker
- GitHub Actions
- AWS
Real-Time
- Socket.IO
- WebSockets
- Live Chat
- Notifications
- Live Monitoring
Payments
- Stripe
- Razorpay
- Billing
- Subscriptions
AI & Automation
- Claude
- OpenAI
- Ollama
- AI Agents
- Deepseek
- Elevenlabs
- Assemblyai
VoIP
- Conference call
- Barge Call
- Listen Call
- Whisper
- Browser call
- Twilio
- Telnyx
- SignalWire
- Plivo
- Vonage
- SIP
- WebRTC
- IVR
Database
- MongoDB
- MySQL
- PostgreSQL
- Redis
Backend
- NestJS
- Express
- Laravel
- CodeIgniter
- AdonisJS
- TypeScript
- Microservices
- Node.js
Frontend
- Angular
- React
- Vue.js
- Next.js
- JavaScript
- TypeScript
- Tailwind CSS
- Bootstrap
// client feedback
Reviews
// say hello
Contact Me
Have a project in mind or a role to fill? Send a message and I will get back to you.
- email fvthakor11@gmail.com
- phone +91 84900 29343