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Shahzaib

Full-Stack & AI Engineer

Next.js Platforms · Autonomous AI Agents · Technical SEO & GEO

Full-Stack & AI Engineer with 4+ years of hands-on experience architecting high-performance SaaS platforms, autonomous multi-agent workflows, and scalable cloud backends. Specializing in Next.js, Python, FastAPI, Node.js, custom Model Context Protocol (MCP) integrations, and GoHighLevel (GHL) automations. Proven track record optimizing systems for Technical SEO, AEO, and Generative Engine Optimization (GEO).

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0+
Years Experience
0+
Production Projects
stack: Next.js + FastAPI + MCP
Lahore, Pakistan
Master of Science in Artificial Intelligence (MSAI) - UMT | Bachelor of Science in Computer Science (BSCS) - Virtual University
Specialized Services

Engineering Solutions Available for Hire

Need a battle-tested engineer to take complete ownership of your project? I deliver robust, production-ready software with end-to-end reliability.

Most Requested

Full-Stack SaaS & Web Applications

From concept to scalable, revenue-generating production software.

Next.js 14/15/16 App Router with Server Components & TypeScript
Resilient Node.js & FastAPI backend microservices
PostgreSQL (Prisma/Drizzle) & MongoDB high-concurrency schemas
Stripe subscriptions, metered usage billing & team RBAC
✓ Sub-second load times & 99.9% uptime architecture
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Trending High

Autonomous AI Agents & Multi-Agent Swarms

Self-governing agent teams that research, decide, and execute.

LangGraph cyclic state-graphs with supervisor control
CrewAI & AutoGen multi-agent specialized role collaboration
Dynamic context memory & pgvector / Pinecone RAG pipelines
Deterministic tool execution with parameter validation schemas
✓ Reduces repetitive cognitive labor by 80%+
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Enterprise

Custom MCP Servers & n8n Workflows

Unified tool execution connecting LLMs to your private data & APIs.

Official Model Context Protocol (MCP) server development in TypeScript/Python
Enterprise tool bridges allowing Claude & OpenAI to query databases safely
Self-hosted n8n workflow pipelines with automated webhooks and retries
Zero-trust credential storage and end-to-end execution audit logs
✓ 100% deterministic, audit-logged tool calls
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High ROI

GoHighLevel (GHL) AI Systems & Voice Receptionists

Turnkey agency automation snapshots with 24/7 conversational voice.

Custom GHL Snapshots for Healthcare, Real Estate & Home Services
Sub-second latency inbound/outbound AI voice agents (Vapi & Bland.ai)
Automated appointment booking directly synced with calendars
Two-way SMS reactivation workflows recovering dead database leads
✓ Never miss a customer call, day or night
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Privacy First

Private Local AI & Hermes Deployment

Air-gapped, zero-data-leakage LLM infrastructure on your own hardware.

On-premises Nous Hermes 3, Llama 3, and DeepSeek deployments
High-throughput inference with vLLM PagedAttention & Ollama runtimes
Drop-in OpenAI-compatible API gateway running behind secure reverse proxy
Local document RAG with local embeddings and private vector storage
✓ Zero cloud GPU fees & complete privacy compliance
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Deep Tech

Domain LLM Fine-Tuning & Data Pipelines

Custom-trained models tailored to your exact industry vocabulary.

Proprietary dataset ingestion, deduplication, and quality filtering
Automated synthetic instruction pair generation with self-consistency checks
Parameter-efficient LoRA & QLoRA fine-tuning on custom GPU nodes
Rigorous benchmark evaluation and weights packaging for production serving
✓ Outperforms larger foundation models at 1/4 the cost
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Growth Engine

Technical SEO, AEO & Generative Engine Optimization (GEO)

Dominate search rankings across Google, ChatGPT Search & Perplexity.

Core Web Vitals remediation targeting 95-100 scores on Google Lighthouse
Rich JSON-LD Schema microdata targeting Answer Engine (AEO) rich snippets
Generative Engine Optimization (GEO) ensuring LLMs cite your brand
Full architectural audit: indexing, crawl budgets, SSR/SSG rendering
✓ Drive high-intent organic traffic without recurring ad spend
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Featured Case Studies

Production Case Studies & Systems

Explore 14+ end-to-end production architectures, AI agent swarms, voice models, and full-stack platforms engineered for scale and speed.

AI & LLMs
Featured
Fiddi.ai — AI Financial Intelligence & Automated Report Builder
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Fiddi.ai

Fiddi.ai — AI Financial Intelligence & Automated Report Builder

82% Faster Report Generation

Autonomous financial intelligence platform transforming raw financial records into audit-ready executive reports and interactive visualizations.

Next.js 14FastAPIOpenAI GPT-4oPinecone+3
AI & LLMs
Featured
Voxento — Real-Time WebRTC Audio, Voice AI & Transcription Engine
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Voxento

Voxento — Real-Time WebRTC Audio, Voice AI & Transcription Engine

<300ms Glass-to-Glass Latency

Ultra-low-latency real-time voice communication platform featuring instant AI transcription, speaker diarization, and interactive learning modules.

React.jsFastAPIWebRTCOpenAI Whisper+3
AI & LLMs
Featured
Enterprise MCP Servers & Autonomous n8n Workflow Hub
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Enterprise Automation Client

Enterprise MCP Servers & Autonomous n8n Workflow Hub

85% Manual Workflow Automation

Custom Model Context Protocol (MCP) server architecture connecting enterprise databases and SaaS tools with autonomous n8n workflows.

Model Context Protocol (MCP)n8nNode.jsTypeScript+3
AI & LLMs
Featured
Hermes Local AI & On-Premises Private LLM Infrastructure
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Privacy-First Enterprise / Local AI Setup

Hermes Local AI & On-Premises Private LLM Infrastructure

100% Data Confidentiality

Air-gapped, zero-data-leakage local AI deployment running Nous Hermes 3 and Llama 3 on private GPU hardware with high throughput.

Nous Hermes 3Llama 3OllamavLLM+4
AI & LLMs
Featured
Autonomous Multi-Agent Teams & AI Coaches Architecture
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EdTech & Executive Coaching Platform

Autonomous Multi-Agent Teams & AI Coaches Architecture

4x Workflow Throughput

Collaborative multi-agent swarm architecture where specialized AI personas collaborate to research, critique, and coach users in real time.

LangGraphCrewAINext.js 14Claude 3.5 Sonnet+3
AI & LLMs
Domain LLM Fine-Tuning & Curated Data Preparation Pipeline
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Vertical AI Solutions

Domain LLM Fine-Tuning & Curated Data Preparation Pipeline

+34% Domain Accuracy Lift

Automated ETL pipeline that scrapes, sanitizes, dedupes, and synthesizes domain-specific datasets for LoRA / QLoRA model fine-tuning.

LoRAQLoRAPyTorchHugging Face+3
Full-Stack SaaS
Featured
Stack Digital Card — Dynamic NFC & Digital Identity SaaS
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Stack Digital Card

Stack Digital Card — Dynamic NFC & Digital Identity SaaS

15,000+ Profiles Created

Modern NFC and digital profile management SaaS allowing professionals and enterprises to exchange contacts, showcase portfolios, and capture leads.

Next.js 14Node.jsExpress.jsMongoDB+3
Full-Stack SaaS
Featured
RecoverPay — WhatsApp Lead Recovery & Conversational CRM SaaS
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RecoverPay.cloud

RecoverPay — WhatsApp Lead Recovery & Conversational CRM SaaS

38% Abandoned Cart Recovery

Automated WhatsApp re-engagement platform reclaiming abandoned carts and stalled leads through AI-driven conversational checkout workflows.

Next.js 14Node.jsSocket.IOWhatsApp Cloud API+2
Full-Stack SaaS
Featured
Mudrsec / Madrasa LMS — Scalable Arabic Educational Marketplace
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Mudrsec & Madrasa.io

Mudrsec / Madrasa LMS — Scalable Arabic Educational Marketplace

5,000+ Active Students

Comprehensive educational marketplace and LMS serving over 5,000 active students with Arabic localization, live tutor booking, and course streaming.

React.jsNext.jsNode.jsExpress.js+4
Full-Stack SaaS
Lotty — High-Throughput Lottery & Betting Management Platform
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Lotty International

Lotty — High-Throughput Lottery & Betting Management Platform

10,000+ Bets / Min Peak Capacity

High-security transaction processing and game management system executing thousands of automated lottery draws with cryptographic auditing.

Node.jsExpress.jsMongoDBRedis+2
Full-Stack SaaS
Featured
NavDar — Enterprise Indoor Wayfinding & Venue Navigation
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NavDar Indoor Wayfinding

NavDar — Enterprise Indoor Wayfinding & Venue Navigation

Sub-Meter Navigation Precision

Interactive 2.5D/3D indoor mapping and turn-by-turn navigation platform for commercial shopping malls, medical campuses, and airports.

Next.js 14React 19Three.js / WebGLGeoJSON+2
Automation & GHL
Featured
GoHighLevel (GHL) AI Agency Systems, Voice AI & Snapshot Architecture
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Healthcare & Home Services Agencies

GoHighLevel (GHL) AI Agency Systems, Voice AI & Snapshot Architecture

68% Booking Automation

End-to-end GoHighLevel automation infrastructure featuring conversational AI receptionists, 2-way SMS nurturing, and automated appointment booking.

GoHighLevel (GHL)Bland.aiVapi Voice AIn8n+3
E-Commerce
K-Tex Store — High-Conversion E-Commerce & Inventory Management
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K-Tex Retail

K-Tex Store — High-Conversion E-Commerce & Inventory Management

42% Checkout Conversion Lift

Headless e-commerce platform with ultra-fast search, dynamic multi-variant inventory control, and frictionless checkout optimization.

Next.js 14Shopify Storefront APINode.jsTailwind CSS+2
Automation & GHL
Featured
Full-Stack Technical SEO, AEO, GEO & Performance Optimization Suite
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Enterprise SaaS & E-Commerce Brands

Full-Stack Technical SEO, AEO, GEO & Performance Optimization Suite

99/100 Core Web Vitals Score

Comprehensive audit and technical remediation system elevating search rankings across Google, Perplexity, ChatGPT Search, and Google AI Overviews.

Technical SEOAEOGEOCore Web Vitals+3

Technical Skills & Expertise

Core technologies and toolchains powering modern production software

AI & Multi-Agent Systems

Model Context Protocol (MCP)2y
LangGraph / CrewAI Agents2y
OpenAI GPT-4o / Claude 3.53y
RAG & Vector DBs (pgvector/Pinecone)2y
Voice AI (Whisper / ElevenLabs / Vapi)2y
Hermes Local AI / Ollama / vLLM2y
LLM Fine-Tuning (LoRA / QLoRA)1y

Backend & Distributed Systems

Node.js4y
Python / FastAPI3y
Express.js4y
PostgreSQL3y
MongoDB4y
Redis Caching3y
REST & WebSockets4y

Frontend & UI Engineering

Next.js 14/15/164y
React 194y
TypeScript4y
Tailwind CSS v44y
Three.js / WebGL2y
Framer Motion3y

Automation, GHL & Search Optimization (SEO / AEO / GEO)

GoHighLevel (GHL) AI Snapshots2y
n8n Workflow Automation2y
Technical SEO & Core Web Vitals3y
AEO (Answer Engine Optimization)2y
GEO (Generative Engine Optimization)2y
Stripe Billing & Webhooks3y

Cloud & Infrastructure

AWS (EC2, S3, CloudFront)3y
Docker & Containerization3y
CI/CD & GitHub Actions3y
Nginx Reverse Proxy3y
Linux & macOS IT Systems4y

AI-Augmented Engineering & Continuous Optimization

I combine modern AI tooling (Claude Code, Cursor, MCP protocols) with production architectural discipline — building deterministic APIs, resilient RAG pipelines, air-gapped local LLMs, and measurable SEO/AEO/GEO ranking signals.

Work Experience

My professional journey

Full-Stack & AI Engineer

TKTurners

Mar 2024 - Present

On-site

  • Architected production AI SaaS platforms with Next.js, FastAPI, PostgreSQL, and AWS, serving enterprise client bases.
  • Engineered multi-agent systems and custom Model Context Protocol (MCP) servers connecting enterprise tools with Claude and OpenAI.
  • Built real-time voice and transcription pipelines with OpenAI Whisper, WebRTC, and ElevenLabs.
  • Spearheaded Technical SEO, AEO, and GEO optimization, lifting organic AI search visibility and achieving 99+ Core Web Vitals.

Freelance Full-Stack Developer

Freelance | Self-Employed

Jul 2022 - Mar 2024

Hybrid / Remote

  • Delivered 10+ custom web apps, SaaS platforms, and CRM automation solutions for international startups.
  • Engineered GoHighLevel (GHL) voice AI receptionists and autonomous n8n workflows for lead qualification and calendar booking.
  • Optimized client platforms for search engine discoverability through technical SEO, structured JSON-LD schemas, and fast page loads.
  • Managed end-to-end client communication, requirements scoping, and cloud deployments on AWS and Docker.

Full-Stack Developer

Vietech

Apr 2023 - Feb 2024

On-site

  • Maintained and scaled Madrasa.io educational marketplace serving 5,000+ active students and instructors.
  • Engineered robust RESTful APIs in Node.js/Express with MongoDB aggregation pipelines, cutting latency by 40%.
  • Implemented secure JWT authentication, role-based access control (RBAC), and multi-currency checkout gateways.
  • Built responsive course player with RTL Arabic localization and video streaming integration.

Associate Full-Stack Developer

Firm Tech Services

Jan 2023 - Mar 2023

On-site

  • Developed dynamic user interfaces and converted complex Figma designs into responsive React.js components.
  • Engineered CRUD REST APIs with Node.js and Express.js for internal business management applications.
  • Collaborated in daily agile standups, bug triage, and cross-browser testing.

IT Engineer

Visual Soft Global

Feb 2020 - Oct 2022

On-site

  • Managed corporate IT infrastructure, operating systems (Windows, macOS), and hardware workstations across company departments.
  • Configured local networks, peripheral hardware, software installations, and system diagnostic routines.
  • Troubleshot system outages and maintained continuous hardware reliability for operational business units.
Frequently Asked Questions

Architecture & Engagement FAQ

Answers regarding AI agents, local LLM infrastructure, full-stack delivery, and technical search optimization.

I specialize in architecting high-performance SaaS platforms, autonomous multi-agent workflows, and scalable backends. My core stack includes Next.js 14/15/16, React 19, TypeScript, Python, FastAPI, Node.js, PostgreSQL, and MongoDB. On the AI side, I design custom Model Context Protocol (MCP) servers, LangGraph multi-agent teams, pgvector/Pinecone RAG pipelines, and real-time voice applications.

Let's Connect

I'm always open to new opportunities

Whether you have a project in mind, a question, or just want to say hello, I'd love to hear from you. Let's build something amazing together.

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