AmirHossein Teymoori

Developing and maintaining SBAB's mobile banking application (4.8★, 100K+ downloads) while serving as AI consultant in the company's DEV AI forum, advising on AI/LLM integration strategies and tool selection.

• Develop Android features for Swedish banking app with secure transactions and BankID integration
• Consult on AI/LLM integration strategies for banking products in DEV AI forum
• Implement modern Android best practices with Kotlin and Jetpack libraries

Developed award-winning neobank mobile application (Silver Medal, Swedish Design Awards 2020). Built personal banking features with Mastercard integration for Swedish market.

• Architected fintech app with BankID, Swish, and Google Pay integration
• Implemented real-time transaction notifications and spending insights
• Delivered zero-fee international transactions with excellent UX

Built Android app and backend for smart return kiosks using RFID technology. Led mobile and API development for €2M seed-funded sustainability startup.

• Developed warehouse admin portal and REST APIs with PHP/Laravel
• Created Android app for RFID-powered reusable packaging management
• Migrated tech stack from Firestore/React/Java to PHP/MySQL/Kotlin

Led end-to-end development of location-based parking app serving California market. Built complete backend infrastructure and both mobile platforms (Android & iOS). App reached 500K active users with $500K+ in transactions.

• Architected and developed backend (PHP/Laravel), Android (Kotlin), and iOS (Swift) applications
• Implemented geolocation services, real-time parking availability, and payment processing
• Scaled infrastructure to support 500K active users with seamless booking experience

Led Android development for banking and telecommunications projects including two major e-wallet applications and mobile operator app.

• OneCENT E-Wallet: Client and merchant apps with QR payments, bill payments, mobile reload
• OneCALL Mobile Operator: Full telecom services Android application
• Perwaja Grocery: E-commerce app for grocery delivery

Led Android development for enterprise e-wallet in collaboration with AliPay (Alibaba). Refactored and improved legacy client and merchant applications.

• Implemented banking-grade security with fingerprint and data encryption
• Developed Android Wear integration for quick payments
• Built custom UI components and complex features

MyApps: Android marketplace with 1M+ active users for apps, music, and movies. Led complete development from architecture to launch.

• Built download manager with multi-threading and resume capability
• Implemented HLS encryption for video streaming security
• Created InAppPurchase SDK library for third-party developers

Trained 2000+ developers in Android, Java, PHP/MySQL as official Android ATC trainer. Delivered 2000+ hours of training in elementary and advanced levels.