Ayan Parvaiz
Full-Stack Developer & AI Engineer
I architect and deliver production-grade, AI-powered applications that solve real problems at scale. With 5+ years of hands-on experience and 36+ apps shipped, I specialize in building end-to-end solutions — from pixel-perfect Flutter frontends to robust Node.js/Firebase backends — integrated with cutting-edge AI models like GPT-4, DeepSeek, and TensorFlow.
+ 36+ apps shipped across mobile & web
+ 100K+ DAU on enterprise applications
+ Full-stack: Flutter to Node.js
+ AI specialist: LLMs, vision, voice
Professional Experience
Senior Full-Stack Developer (Remote)
Jan 2025 – Present
DevCenter.dev
- Leading architecture of enterprise-grade Flutter apps serving 100K+ daily active users
- Designed scalable microservices backend with Node.js, PostgreSQL, and Redis caching layer
- Integrated GPT-4 chatbots, real-time image generation, and voice AI assistants
- Mentoring 4 junior developers, conducting code reviews, establishing coding standards
- Reduced API response times by 60% through query optimization and GraphQL data layer
Flutter Developer (Remote)
Feb 2024 – Dec 2024
DevCenter.dev
- Developed and optimized 15+ cross-platform Flutter applications for global clients
- Implemented Firebase Auth, Firestore, Push Notifications, and Cloud Functions
- Built complex UI animations using GetX with pixel-perfect responsiveness
- Improved app performance by 40% through caching strategies and lazy loading
Freelance Mobile & Web Developer
Jun 2023 – Jan 2024
Self-Employed (Upwork & Fiverr)
- Delivered 10+ end-to-end mobile and web applications for international clients
- Built full-stack solutions with Flutter, React, Node.js, and Firebase with CI/CD pipelines
- Developed AI-integrated apps with OpenAI API, DeepSeek, and TensorFlow Lite
- Maintained 5-star rating with 100% client satisfaction
Junior Flutter Developer
Jan 2023 – May 2023
Tech Starter Labs
- Shipped 5 production-ready Flutter apps to Google Play Store
- Implemented GetX, Provider, Bloc state management and clean architecture
- Integrated Google Maps, Stripe Payments, and social authentication
Education
BSc in Computer Science
Full-Stack Development & Software Engineering
Data structures, algorithms, system design, and software architecture
Intermediate in Science
Pre-Engineering (Physics, Chemistry, Mathematics)