Abdul Qadeer

Mobile App Developer & AI Integration Specialist

Contra • Freiberufler

Oct 2024 - Present • 1 yr 9 mos

Established a powerful independent presence on Contra, delivering cutting-edge full stack mobile app development and AI powered solutions to innovative clients, startups, and product teams across the globe. Every project was approached with full ownership, technical depth, and an obsession for building things that truly matter. Crafted stunning cross-platform mobile applications using Flutter and React Native, engineered premium native iOS experiences with Swift & SwiftUI, and architected robust scalable backends using Node.js, Express.js, Firebase, REST APIs, GraphQL, and FastAPI all supercharged with the latest AI and machine learning capabilities. Integrated cutting-edge AI technologies into mobile and web products leveraging OpenAI GPT-4, Claude API, Gemini AI, LangChain, TensorFlow Lite, ML Kit, Hugging Face, and Pinecone to build intelligent, context-aware, and truly next-generation applications. From AI chatbots and smart recommendation engines to computer vision, voice recognition, and natural language processing brought the power of AI directly into the hands of everyday users. Deployed and managed cloud infrastructure on AWS, Google Cloud, and Firebase utilizing Docker, CI/CD pipelines, and serverless architectures to ensure apps were fast, reliable, and infinitely scalable. Delivered complete end-to-end solutions packed with real-time features, payment gateways (Stripe, PayPal), push notifications, authentication systems (OAuth, JWT), third-party API integrations, and AI driven features across high impact industries including e-commerce, fintech, healthcare, social networking, booking systems, on-demand services, and AI SaaS platforms.

Full Stack Mobile App Developer

Freelancer.com • Freiberufler

Aug 2023 - Present • 2 yrs 11 mos

Delivered world class full stack mobile app development on Freelancer.com, working with ambitious clients globally to turn their boldest ideas into powerful, production-ready applications. Not just a mobile developer a complete solution provider, handling everything from pixel perfect frontend to robust, scalable backend architecture. Engineered stunning cross platform mobile applications using Flutter and React Native, and crafted premium native iOS experiences with Swift & SwiftUI while simultaneously building and managing powerful backends using Node.js, Firebase, REST APIs, GraphQL, and cloud platforms like AWS and Google Cloud. Took complete ownership of every project from database design and API architecture to mobile UI development and final deployment ensuring clients received a fully working, scalable, and maintainable product every single time. Delivered end-to-end solutions packed with real-time features, payment gateway integrations, push notifications, authentication systems, third-party APIs, and much more across high impact industries including ecommerce, fintech, healthcare, social networking, booking systems, and on-demand service platforms. Built lasting relationships with clients through crystal clear communication, on-time delivery, and results that consistently exceeded expectations.

Mobile App Developer

Upwork • Freiberufler

Nov 2021 - Present • 4 yrs 8 mos

Thrived as a freelance mobile app developer on Upwork, delivering exceptional mobile solutions to clients across the globe. Built high performance cross platform apps using Flutter and React Native, and crafted native iOS experiences with Swift & SwiftUI consistently earning client trust, repeat contracts, and top-rated reviews. Worked directly with clients worldwide understanding their vision, solving real challenges, and delivering polished, scalable apps on time and within budget. Every project was more than just code it was a commitment to quality and client success. Delivered full cycle mobile development including REST API integration, Firebase, payment gateways, push notifications, real-time features, and third-party services across industries like e-commerce, fintech, healthcare, social networking, booking systems, and on demand services.