Hi, I'm Hasaan 👋
AI Engineer & Full-Stack Developer building AI Agents, RAG systems, and LLM workflows for ERPs, CRMs, and SaaS. Founder of Nexus Core. 20k Instagram · 1k YouTube @hasaandotdev.
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About

AI Engineer and Full-Stack Software Engineer with 3+ years of experience shipping production SaaS, ERP platforms, and agentic AI systems. Founder of Nexus Core—an AI-powered multi-tenant ERP with copilots, tool-calling agents, and RAG over business data. Specialized in AI Agents, multi-agent workflows, RAG pipelines, chatbots, and LLM orchestration using Gemini, ChatGPT/OpenAI, LangChain, and Python. Led delivery of high-scale commerce and workshop platforms handling 3,000+ orders/month, while mentoring teams and shipping CI/CD-backed infrastructure. Strong focus on clean architecture, performance, and cross-functional collaboration. BS Software Engineering at COMSATS Islamabad (GPA: 3.5/4.0). Building in public on YouTube (1k subscribers) and Instagram (20k followers).

Work Experience

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DevoraOne
Team Lead

Jul 2025 - Present
Team Lead and Software Engineer
Team Lead shipping 3+ production platforms spanning ERP, logistics, and eCommerce (incl. StarParts at 3,000+ orders/month). Own architecture, AI agent workflows, CI/CD pipelines, and cloud ops. Mentor engineers and ship with global stakeholders on modern DevOps stacks.
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Nexus Core
Founder

2024 - Aug 2026
AI Engineer & Full Stack Architect
Founded and architected a multi-tenant AI SaaS ERP with 4+ modular apps (HR, payroll, CRM, inventory). Built AI Agents, RAG copilots, and tool-calling chatbots for ops automation and real-time analytics. Stack: Next.js, PostgreSQL, Prisma, WebSockets, DNS multi-tenancy, OpenAI/Gemini.
D

Decimal Solutions

Jul 2025 - Sep 2025
Software Engineer
Hardened 2+ production web apps with clean architecture, modular boundaries, and maintainable TypeScript patterns—cutting tech debt and improving delivery velocity for the engineering team.
S

SBM Consultants

Nov 2024 - Jun 2025
Full-Stack Engineer
Shipped SBM's official site + MDX blog in Next.js/Tailwind with SEO-first content architecture—improving discoverability and cutting page loads for a consultancy audience.
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YouTube
1k subscribers

2024 - Ongoing
Tech Content Creator
1k+ subscribers. Content on Next.js, AI Agents, RAG, and full-stack engineering—tutorials and project walkthroughs for developers building LLM-powered apps.
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Instagram
20k followers

Jul 2024 - Ongoing
Digital Creator
20k+ followers. Short-form tech content on AI engineering, agents, and web development—reaching a growing developer audience with practical build tips.

Skills

AI Agents
Multi-Agent Systems
RAG Systems
LangChain
LLM Orchestration
Tool Calling
Prompt Engineering
Vector Embeddings
OpenAI
Gemini
ChatGPT
Python
TypeScript
JavaScript
Next.js
React
Node.js
Express.js
PostgreSQL
Prisma
MongoDB
Workflow Automation
AI Chatbots
Semantic Search
Function Calling
React Native
TailwindCSS
ShadCN
Zustand
Drizzle
WebSockets
Docker
CI/CD
GitHub Actions
Nginx
Auth.js
REST APIs
Vercel
Railway
VPS Management
My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

StarParts

StarParts

EU auto-parts marketplace (B2B + B2C) processing 3,000+ orders/month from day one. Dual admin panels, multi-currency checkout, supplier feeds, BNPL, and workflow automation for catalog ops and fulfillment—built for launch-scale traffic across Europe.

Next.js
TypeScript
PostgreSQL
Stripe
BNPL
Workflow Automation
Role-based Admin
Multi-currency
WeMec

WeMec

Workshop management SaaS for EU garages—customers, vehicles, estimates, work orders, schedules, invoices, parts, and tire storage in one system. Automation-ready workflows connecting office, floor, and clients with multilingual UX.

Next.js
TypeScript
PostgreSQL
SaaS
Workflow Automation
Multi-language
TailwindCSS
Nexus Core

Nexus Core

Founder-built AI SaaS ERP with AI Agents, RAG copilots, and tool-calling chatbots over HR, payroll, CRM, and inventory. Multi-tenant routing, DNS white-labeling, and real-time analytics—designed so teams query and act on business data in natural language.

AI Agents
RAG
LangChain
OpenAI
Gemini
Tool Calling
Next.js
PostgreSQL
Prisma
WebSockets
Multi-tenancy

SBM Consultants

Consultancy site + MDX blog engineered for SEO and content velocity. Modern Next.js stack with fast loads and a maintainable content pipeline for client acquisition.

Next.js
TailwindCSS
TypeScript
MDX
SEO
Vercel

TaxSoft

Tax management platform for data entry and reporting workflows. Responsive Next.js UI on PostgreSQL—built for accuracy, speed, and multi-device use.

Next.js
TypeScript
PostgreSQL
TailwindCSS
Vercel

GoTaskify

SaaS skip-tracing & lead management with Stripe subscriptions. Optimized for fast UI, clean UX, and maintainable full-stack architecture for a US client.

Next.js
Firebase
TypeScript
NextAuth
Stripe
TailwindCSS
Contact

Get in Touch

Want to chat? Just shoot me a dm with a direct question on Instagram and I'll respond whenever I can. I will ignore all soliciting.

View / Download my CV