Hello, I am Raja Usman Murad
Full Stack AI Engineer
I build scalable, secure, and high-performance AI-powered web applications from real-time voice agents and RAG systems to multi-tenant SaaS platforms. 4+ years of experience delivering complex systems from concept to production.
About Me
Full Stack Software Engineer with 4+ years of professional experience in web development, specializing in MERN stack applications, AI-powered systems, and modern JavaScript frameworks. Proven experience building scalable, secure, and high-performance SaaS, CRM, AI, e-commerce, cloud-native and multi-tenant platforms. Strong background in RESTful APIs, real-time systems, AI Agents, Voice AI, RAG, distributed backend architecture, third-party integrations, authentication systems, system design, and production-grade deployments on AWS and GCP. Experienced in delivering complex systems from concept to production.
What I Do
- Build AI-powered SaaS platforms with Next.js, NestJS, and TypeScript
- Develop real-time voice agents using WebRTC and OpenAI Realtime API
- Implement RAG pipelines with Qdrant, pgvector, and vector search
- Architect multi-tenant systems with PostgreSQL, Redis, and BullMQ
- Integrate third-party services: Stripe, Twilio, WhatsApp, AWS, GCP
- Deploy production-grade applications on AWS and GCP
Skills & Technologies
Frontend
Backend
Databases
AI & Integrations
Cloud & DevOps
Tools
Other
Featured Projects
Professional Experience
Full Stack Developer
Feb 2026 — Present- Designed and developed AI-powered SaaS and operational platforms using NestJS, Next.js, and TypeScript across multiple client projects.
- Built real-time and voice-based AI systems using WebRTC, the OpenAI Realtime API, and RAG pipelines powered by Qdrant and pgvector.
- Architected multi-tenant backend systems with PostgreSQL, Prisma/TypeORM, Redis, and BullMQ for scalable async processing.
- Integrated third-party services including Stripe billing, WhatsApp Business Cloud API, Twilio, SendGrid, and GPS/fleet-tracking APIs.
- Collaborated with cross-functional teams to deliver production-ready systems from architecture through deployment.
Innspeed – AI Guest Communications Platform
Next.js, Fastify, TypeScript, PostgreSQL, Supabase, AWS Bedrock (Claude), pgvector
Rock County Sealcoat – Field Operations Platform
Next.js, NestJS, PostgreSQL, Prisma, Redis, BullMQ, Socket.IO
Chappo – AI Voice Agent (Voice Chatbot)
NestJS, Next.js, WebRTC, OpenAI Realtime API, Qdrant
Senior Full Stack Developer
Sep 2023 — Jan 2026- Developed and maintained large-scale MERN and Next.js applications with secure authentication, role-based access, and complex business logic.
- Designed RESTful APIs, integrated third-party services, and optimized database performance.
- Built responsive dashboards, real-time systems, and AI-powered applications.
- Deployed and maintained applications on AWS and GCP with containerized architectures.
- Led feature development, bug fixing, and performance optimization across frontend and backend.
UMA – Physical Space Booking Platform
Next.js, TypeScript, RTK Query
BookWriter – Collaborative Book Authoring Platform
React.js, Node.js, Express.js, MongoDB
Egressif – Domain & Email Management Platform
MERN Stack, BullMQ
Tempo CRM – Client & Scheduling Management System
React, Redux, AWS Cognito
Call Master – AI-Powered Telephony System
Node.js, Express.js, SvelteKit, PostgreSQL, OpenAI, Twilio
EMS ChatBot – Slack-Based RAG System
Node.js, Express.js, LangChain, OpenAI, MongoDB Atlas
Customer Backbone Service – Dispute Management System
Python, Flask, GCP, Microservices
Sprixle – Wellness Journey Platform
Next.js 15, TypeScript, Supabase
Fortix AI – Intelligent Video Surveillance Platform
Next.js 14, Node.js, Express.js, FastAPI, YOLO, AWS
Associate Software Engineer / Full Stack SFCC Developer
Jul 2021 — Aug 2023- Developed and customized Salesforce B2C Commerce (SFCC) applications using SFRA, SiteGenesis and Headless PWA kit.
- Integrated third-party services, payment gateways, and custom cartridges.
- Customized PDP, PLP, checkout flows, and loyalty features.
- Wrote batch jobs, unit tests, and worked extensively with Business Manager.
Jaguar & Land Rover (USA)
React, SFCC APIs
FatFace (UK/US)
SFCC, Adyen
Itabus
SFCC
Halfords
SFCC
Get In Touch
I am always open to discussing new projects, creative ideas, or opportunities to be part of your vision. Feel free to reach out!
Connect With Me
Find me on professional networks and platforms.