Muhammad Hassaan R.

I help banks, fintechs, and startups design and deliver AI-powered solutions that are secure, scalable, and future-ready. Whether you need a chatbot powered by LLMs, a digital wallet, or a microservices-based enterprise system, I bring the right mix of technical depth and business understanding to turn ideas into real products. Core Expertise Artificial Intelligence & LLMs: Integration of GPT/LLM APIs, custom AI agents, NLP chatbots, model training, embeddings, vector databases. FinTech Solutions: Digital banking, wallets, core banking integrations, payment gateways (Stripe, PayPal, Mastercard, Visa), fraud detection, KYC/AML compliance. Mobile & Web Development: Kotlin, Flutter, Java Spring Boot, REST APIs, secure mobile banking apps. Enterprise Architecture: Microservices, event-driven systems, cloud (AWS), UML & ArchiMate diagrams, API documentation, TOGAF-aligned frameworks. Proof of Impact Built AI chatbot that reduced call center load by 40%. Designed digital wallet architecture for a bank serving 20M+ active customers. Delivered enterprise solutions that processed $100B+ annual payment volume. Developed mobile apps with 2M+ downloads and 4.7★ ratings. Why Work With Me 10+ years in enterprise-grade systems across fintech, e-commerce, and telecom. Hands-on solution delivery from requirements → architecture → development → go-live. ⭐⭐⭐⭐⭐ Upwork client ratings for on-time delivery and high technical quality. Strong focus on business alignment: I don’t just build software, I build revenue-driving products. Let’s Build Together If you’re looking for someone who can combine AI innovation, fintech expertise, and enterprise-class delivery, let’s talk. I can help you turn complex ideas into scalable digital products — faster, smarter, and aligned to your goals.