Skills & Tech Stack Abubakkar Sajid

⚙ tech_stack // Full toolkit

Skills & Tools I Use in Production

50+ technologies · 9 skill areas · 3+ years daily use · production-first stack

I work across the full stack from interfaces users see to APIs, databases, servers, and AI integrations behind them. Here's the complete toolkit I use to ship real products.

Languages

Core languages I write production code in

TypeScript JavaScript Python PHP HTML5 CSS3

Frontend

Interfaces, animations & responsive layouts

React Next.js Tailwind CSS GSAP Responsive Design Vite

Backend & APIs

Server logic, auth & real-time features

Node.js Express.js FastAPI REST APIs JWT Auth WebSockets Socket.io

Databases

Data storage, caching & schema design

MongoDB Redis Mongoose Indexing Aggregation

DevOps & Cloud

Deployment, servers & infrastructure

Docker Linux VPS Nginx SSL/TLS CI/CD Vercel AWS Git

AI & Automation

LLMs, vision APIs & workflow bots

OpenAI API Gemini AI Claude API n8n WhatsApp API AI Vision

Design & UI

Wireframes, prototypes & visual assets

Figma Adobe XD Photoshop UI/UX

Integrations

Payments, messaging & third-party APIs

Stripe Web3Forms WhatsApp Business OAuth Webhooks

Security

Secure apps & production hardening

OWASP HTTPS Input Validation RBAC bcrypt

◎ proficiency // Depth of experience

cat proficiency.json

Node.js · Express · REST APIs expert

MongoDB · Redis · Database design expert

React · Next.js · TypeScript expert

Linux VPS · Nginx · Docker · CI/CD advanced

FastAPI · Python backends advanced

AI APIs · WhatsApp chatbots · n8n advanced

PHP · Legacy systems proficient

Figma · UI design · Prototyping proficient

▶ built_with // What this stack ships

saas

SaaS Platforms

API Test Lab, subscription billing with Stripe, auth, dashboards, and multi-tenant architecture.

ai

AI Chatbots

ForiSay WhatsApp Business API + Gemini/OpenAI for 24/7 customer auto-replies and lead capture.

backend

Marketplace APIs

Madadgaar REST APIs, MongoDB, WebSockets, real-time chat, and VPS infrastructure at scale.

fullstack

Web Applications

React/Next.js frontends wired to Node.js or FastAPI backends with TypeScript end-to-end.

mobile

Mobile Backends

EchoRead API architecture, database design, and server logic for web + mobile clients.

automation

Workflow Pipelines

n8n automations for lead routing, email sequences, data sync, and AI-powered smart routing.

$ ./view_all_projects.sh →

⌁ daily_workflow // How I use these

cat workflow.sh

01 Design APIs and database schemas before writing frontend code
02 Build with TypeScript across React, Node.js, and shared types
03 Test APIs with Postman, then automate with API Test Lab patterns
04 Deploy to Linux VPS with Nginx, SSL, and Docker containers
05 Integrate AI features via Gemini, OpenAI, or Claude based on use case
06 Monitor production logs, optimize queries, and harden security

📚 learn_more // Related articles

ls ~/blog skills

→ MERN Stack Guide → RESTful APIs Best Practices → React UI Optimization → AI in Web Development 2026 → Linux for Developers → Deploying on Vercel & AWS

$ ./view_all_articles.sh →

🎓 certified_in // Verified training

ls ~/certifications/

Certified Full-Stack Web Application Development

HTML, CSS, JavaScript, React, Node.js, databases, and deployment

Certified Cyber Security

OWASP, secure auth, HTTPS, and application hardening

Certified AI Engineer & Automation

LLM APIs, AI integration, n8n workflows, and intelligent automation

$ ./view_about.sh →

✉ hire_for_stack // Need this expertise?

./hire_abubakkar.sh --stack full

I bring this entire stack to client projects whether you need a backend API, a full SaaS product, an AI WhatsApp chatbot, or someone to manage your servers and deployments.

Available for remote and freelance work worldwide. Based in Lahore, Pakistan replies within 24 hours.

Technical Skills & Tech Stack