


About Me
8+ Years of Full Stack Excellence
Senior Full Stack Engineer with 7+ years of experience building and scaling production-grade web and mobile applications for iOS & Android. Proven expertise in React, React Native, Node.js, TypeScript, and Next.js, delivering solutions that serve millions of users.
Specialized in implementing complex features including Apple/Google/Stripe in-app subscription systems, AI-driven capabilities (retrieval-augmented generation pipelines, LLM integrations), and scalable cloud infrastructure on AWS. Experienced in fast-paced startup environments, following Agile methodologies, and collaborating with remote teams across multiple time zones.
Passionate about writing clean, maintainable code and building architectures that scale. From mobile app submissions to CI/CD pipelines, I handle the full development lifecycle with precision and attention to detail.
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Featured Personal Projects
Exploring the cutting edge of AI with practical tools that solve real-world problems. Built with OpenAI and Google Gemini integrations.
Why Work with Me
Transforming Ideas into Reality
Full-Stack Mastery
8+ years building production-grade web and mobile apps with React, React Native, and Node.js. From scalable backends to pixel-perfect UIs—I handle the complete development lifecycle with expertise.
AI & Advanced Features
Specialized in implementing cutting-edge capabilities: custom RAG pipelines, LLM integrations (OpenAI, Gemini), subscription systems (Apple IAP, Google Play, Stripe), and cloud infrastructure on AWS.
Production-Ready Code
I write clean, maintainable, and scalable code following best practices. Experienced in code reviews, TDD, CI/CD pipelines, and delivering solutions that serve millions of users reliably.
Startup Velocity
Thrive in fast-paced environments. Agile methodologies, remote collaboration across time zones, and delivering complex features on tight deadlines—all while maintaining quality and innovation.


Freelance Full-Stack Engineer
Remote
Jan 2018 - Jan 2021 · 3 yrs
Delivered 15+ web and mobile applications for global clients. Built sports management platforms and NFT minting dApps with smart contract integration.


MERN Stack Developer
Hatch Techs / Jagahonline, Karachi, Pakistan
May 2021 - Mar 2023 · 1 yr 10 mos
Built and launched JagahOnline and JO Ustad, serving 1,000,000+ users. Developed cross-platform applications and performed code reviews for scalable architecture.


Full-Stack Engineer
Wisoft Solutions, Dubai, UAE
Mar 2023 - Sep 2024 · 1 yr 6 mos
Developed mobile and web apps for Heights Papers, UpGrad, ATSS, and more. Achieved 95+ PageSpeed scores and collaborated in Agile teams.


Senior Full Stack Engineer
CodeCraft Studios LLC, Dubai, UAE
Sep 2024 - Present · 1 yr 4 mos
Led development of iOS/Android apps for SaaS startup, launched 2 products with AI features (RAG, OpenAI, Gemini). Implemented Apple/Google/Stripe subscriptions, CI/CD pipelines, and managed AWS infrastructure.
Repositories
Discover my open-source projects and contributions, showcasing my skills and passion for coding.
Let's Build Something Great
Looking for a Senior Full Stack Engineer to bring your vision to life? Whether it's a production-grade mobile app, scalable web platform, or AI-powered solution—I'm here to help. Fill out the form and I'll get back to you promptly. Let's discuss your project!
Email: crhamza7@gmail.com
Phone: +971 523 125 845
Location: Dubai, UAE 🇦🇪
Have any quick questions?