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suleman2244/README.md

Sulaman Khan

Senior Full-Stack Engineer Β· Technical Architect Β· Berlin, Germany πŸ‡©πŸ‡ͺ

Building high-scale systems trusted by 50M+ users across FinTech, HealthTech, and AI.

LinkedIn Portfolio Email


About

I'm a software engineer with 4+ years of experience building products from zero to scale. My work spans mobile (Flutter, React Native) and web (React, Next.js, Angular) β€” with deep experience in FinTech, HealthTech, and AI-powered systems.

I've led engineering efforts at Visionet Systems and Systems Limited, delivering enterprise solutions for global clients. My portfolio includes apps used by 50M+ users (JazzCash) and 5M+ users (myABL), where I architected secure, high-performance systems from the ground up.

What I bring to the table:

  • πŸ—οΈ Architected mobile + web platforms at massive scale (JazzCash, myABL)
  • πŸš€ Zero-to-one product builder β€” from concept to production
  • πŸ€– Building with AI/LLM β€” agentic workflows, intelligent automation
  • πŸ”§ Full ownership mindset β€” I ship, deploy, monitor, and iterate

Tech Stack

Frontend & Mobile

React Next.js TypeScript Flutter React Native Angular Tailwind

Backend & Infrastructure

Python Node.js FastAPI PostgreSQL AWS Azure Docker

AI & Tooling

LangChain OpenAI Git GitHub Actions Figma


Featured Work

🏦 JazzCash β€” Pakistan's #1 Digital Wallet

Led native mobile development (Android/iOS) for the country's largest digital wallet serving 50M+ users. Architected offline-first payments, biometric auth, and real-time transaction processing.

Kotlin Swift Java

πŸ₯ Nar'aakom β€” National Healthcare App

Cross-platform HealthTech app connecting patients with doctors. Built with React Native, enabling appointment booking and digital health records for a national healthcare provider.

React Native Redux HealthTech

🏦 myABL β€” Digital Banking for 5M+ Users

Core contributor to Allied Bank's mobile banking platform. Implemented secure transaction flows, real-time notifications, and biometric authentication for millions of daily active users.

Flutter Dart BLoC

οΏ½ JobAgent Pro β€” AI-Powered Job Discovery

Autonomous AI agent that scrapes, analyzes, and ranks job opportunities using agentic workflows. Full-stack: React frontend + FastAPI backend, deployed on Vercel.

Python FastAPI React


Open Source Contributions

I actively contribute to the developer community, focusing on Flutter, React, and AI tooling.

  • πŸ”­ Maintained enterprise-grade Flutter packages for internal banking frameworks
  • 🌱 Contributor to open-source UI libraries and state management tools
  • πŸ’¬ Mentor for junior developers at Visionet Systems on scalable architecture

Engineering Philosophy

Ship fast, learn faster. I believe in tight feedback loops and iterating in production.

Own the outcome. I don't stop at code β€” I care about the user experience, the metrics, and the business impact.

Build for scale. Every system I design is built to handle 10x the current load.

Automate everything. If I'm doing it twice, I'm writing a script.


GitHub Activity

GitHub Streak

Currently open to senior full-stack and founding engineer roles in Berlin or remote.

Let's build something extraordinary.

Pinned Loading

  1. jazzcash-case-study jazzcash-case-study Public

    Case study: JazzCash native mobile app β€” Android (Java/Kotlin) & iOS (Swift). Role: Lead Developer

  2. my-abl-mobile-app my-abl-mobile-app Public

    High Level Case Study of my abl Mobile app which is used by million of users

  3. Nar-aakom-mobile-app Nar-aakom-mobile-app Public

    Nar’aakom is a cross-platform healthcare mobile app built using React Native to connect patients, doctors, and healthcare providers seamlessly. The app enables users to manage appointments, access …

  4. job-agent-pro job-agent-pro Public

    Autonomous AI Growth Engine for high-velocity job discovery and career optimization. Built with LangGraph, Python, and Agentic Workflows.

    Python