Hi, I'm Hamza NasarAI Agents, SaaS & Realtime Systems
I build AI agents, voice workflows, SaaS platforms, admin dashboards, and realtime systems with Next.js, Python, NestJS, OpenAI, WebRTC, PostgreSQL, and MongoDB. Focused on reliable product architecture, polished UX, and business workflows that can scale.
Current Engineering Profile
Focused on AI, SaaS, realtime interfaces, and production backend systems.
AI Products
Agents, assistants, voice flows
SaaS Systems
Auth, billing, dashboards
Realtime UX
WebRTC, sockets, LiveKit
Backend Depth
APIs, data, deployment
Building AI agents, SaaS platforms, and realtime product systems
I'm Hamza Nasar, a Full Stack AI & SaaS Engineer from Karachi, Pakistan. I design and engineer production-minded products across AI agents, voice systems, realtime workflows, SaaS dashboards, and data-heavy business platforms.
My recent work spans local personal voice agents, LiveKit and WebRTC avatar validation, AI tool directories, real-estate intelligence platforms, streaming products, and healthcare plus social systems. I blend polished frontend execution with backend architecture, automation, and practical deployment workflows.
Engineering Capabilities
A practical stack shaped by recent AI, SaaS, realtime, and backend-heavy product work.
Frontend
Backend
AI and Agents
Realtime
SaaS Product
Delivery
Current Tech Stack
Tools I use across AI agents, SaaS products, realtime apps, and backend systems
Services
Practical product engineering for AI-first businesses, SaaS teams, and realtime workflows
AI Agents & Workflow Automation
Custom assistants, command routers, business automations, and AI workflows that connect directly to real tools and data.
- OpenAI and Gemini Workflows
- Voice Commands
- Tool Calling Patterns
- Business Process Automation
Realtime Voice & Avatar Systems
Realtime product experiences with WebRTC, LiveKit, WebSocket audio bridges, live chat, and streaming interfaces.
- WebRTC and LiveKit
- Socket.IO and WebSocket
- Audio Streaming
- Live Dashboards
SaaS MVP & Platform Engineering
Product-ready SaaS platforms with auth, dashboards, payments, analytics, admin workflows, and SEO foundations.
- Stripe Checkout and Webhooks
- NextAuth and OAuth
- Admin Consoles
- Analytics and Revenue Tracking
Backend & Data Platforms
APIs, databases, migrations, queues, and validation layers for data-heavy products and internal systems.
- FastAPI and NestJS
- PostgreSQL and MongoDB
- Prisma, TypeORM, SQLAlchemy
- Redis and BullMQ
Internal Tools & Dashboards
Operational software for teams: admin panels, inventory interfaces, moderation tools, reports, and workflow consoles.
- RBAC and Protected Routes
- Forms and Validation
- Charts and Reporting
- Testing with Playwright and Vitest
Deployment & Product Hardening
Production-focused delivery with Docker, environment setup, security headers, rate limits, and deployment checks.
- Docker Compose
- Vercel, Railway, Render
- Security Headers
- SEO and Performance Checks
Selected Product Work
Recent AI, SaaS, realtime, and backend-heavy systems presented as focused case-study cards.
Personal Voice Agent - Local AI Assistant
Windows-first personal AI agent with a Next.js dashboard, Python backend bridge, realtime voice input, OpenAI command routing, optional ElevenLabs replies, SQLite memory, and safe local action approvals.
Kayanne Live Avatar - Realtime AI Avatar System
Realtime avatar validation platform with NestJS API, Next.js console, LiveKit video, WebRTC, backend WebSocket audio bridge, PCM 24kHz streaming, lipsync validation, and runtime metrics.
Toolverse Atlas - AI Tools SaaS Directory
Production-ready AI tools directory with search, filters, submissions, favorites, admin analytics, paid featured listings, Stripe checkout, webhooks, SEO pages, and MongoDB Atlas pipelines.
Beyond the Code
A snapshot of my impact and activity
Engineering Momentum
Recent work spans AI agents, realtime systems, SaaS platforms, backend architecture, and production validation across several active codebases.
AI Product Focus
Building practical agent, avatar, assistant, and automation systems with real product workflows.
My Workflow
How I transform ideas into high-performance digital products
01. Discovery & Strategy
I dive deep into your business goals, target audience, and technical requirements to map out the perfect solution.
02. Design & Architecture
Designing scalable system architectures and user-centric interfaces that are both beautiful and performant.
03. Develop & AI Integration
Writing clean, efficient code and integrating cutting-edge AI features to give your product a competitive edge.
04. Launch & Scale
Rigorous testing, optimized deployment, and strategic scaling to ensure your product grows with your users.
AI-Powered Solutions
AI capabilities I use to build practical assistants, automations, and product workflows
AI Voice Agents
Intelligent voice assistants that support customer inquiries around the clock with natural language understanding and context awareness.
AI Chatbots
Advanced conversational AI with memory, personalization, and seamless handoff to human agents when needed.
Document Intelligence
AI-powered document processing with OCR, extraction, and intelligent categorization for automated workflows.
Predictive Analytics
Machine learning models for forecasting, trend analysis, and data-driven decision making.
Content Generation
AI-powered content creation for videos, text, images, and marketing materials with brand consistency.
Process Automation
Intelligent automation that learns from patterns and optimizes workflows for maximum efficiency.
Build Practical AI Into Real Workflows
I focus on AI features that connect to actual business tasks: support flows, dashboards, data extraction, voice commands, routing logic, and measurable operational improvements.
Get Your Free AI AssessmentMy Journey
The path that led me here
Intermediate in Computer Science(ICS)
Board of Karachi • 2023Completed Intermediate in Computer Science, focusing on programming fundamentals, data structures, and introductory web development.
Full Stack Foundations
Online Bootcamp + Project Practice • 2024Built a strong foundation in React, Next.js, Node.js, MongoDB, Express, deployment, and production web fundamentals.
Full Stack AI & SaaS Engineer
Freelance and Contract • 2023 - PresentBuilding AI agents, SaaS platforms, realtime systems, dashboards, and backend-heavy products with Next.js, Python, NestJS, PostgreSQL, MongoDB, OpenAI, and WebRTC.
AI Product Engineering
Recent Projects • 2025 - PresentExpanding into local voice agents, realtime avatar systems, AI tools SaaS, real-estate intelligence, and streaming platform architecture.
Why Work With Me?
Core philosophies that drive my development process
AI-First Approach
"I don't just build apps; I build intelligent systems that leverage the latest in AI to solve complex business problems."
Performance & Scale
"Architecture designed to handle growth. From day one, I focus on sub-second load times and scalable infrastructure."
User-Centric Design
"Code is secondary to the user experience. I craft intuitive interfaces that drive engagement and business results."
Enterprise Security
"Security isn't an afterthought. Every line of code is written with modern security best practices in mind."
Frequently Asked Questions
Got questions? I've got answers. Everything you need to know about my services and expertise.
Let's Work Together
Get in touch and let's create something amazing
Have a project in mind or want to discuss an idea? Fill out the form or reach me directly:
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