Bhupendra Singh
Senior iOS & Flutter Engineer
Jaipur
Summary
Senior Mobile Engineer with 9+ years of iOS experience and 3+ years in Flutter, specializing in scalable mobile architecture, performance optimization, and secure payment systems. Proven experience delivering production-grade applications across fintech, healthtech, loyalty, and marketplace domains. Expert in VIPER, MVVM, Clean Architecture, and BLoC, with strong ownership across full SDLC - from requirement analysis to App Store deployment. Passionate about building modular, maintainable, and high-performance mobile systems.
Overview
10
10
years of professional experience
Work History
Senior Programmer Analyst
Dotsquares Technology
Jaipur
09.2016 - Current
- Led architecture and development of 10+ production iOS & Flutter applications.
- Designed scalable mobile architectures using VIPER, MVVM, and BLoC, improving code maintainability and feature scalability.
- Reduced crash rates through proactive monitoring and debugging using Firebase Crashlytics.
- Integrated secure payment systems (Stripe, Apple Pay, Dojo) with tokenization and compliance considerations.
- Implemented biometric authentication and secure session handling for fintech-grade applications.
- Optimized API handling and network layer design to improve response efficiency.
- Mentored junior developers, conducted code reviews, and enforced clean coding standards.
- Managed complete App Store deployment lifecycle including provisioning, certificates, and releases.
- Collaborated directly with international clients for requirement analysis and technical planning.
Education
Master of Science - Information Technology
01.2014
Skills
- Swift
- SwiftUI
- Objective-C
- Dart
- Flutter
- Clean Architecture
- VIPER
- MVVM
- BLoC
- SOLID Principles
- Modularization
- Dependency Injection
- RESTful APIs
- Payment Gateway Integration
- Biometric Authentication
- Push Notifications
- Sensors
- WebView
- Xcode
- Android Studio
- Firebase
- Crashlytics
- Git
- App Store Connect
- Agile/Scrum
- Unit Testing
- System Integration Testing
- Performance Optimization
- Secure Payment Integrations
- Modular App Design
- Requirement Gathering
- Cross-functional Coordination
- Scalable API Systems
- Cross-platform Development
- Team Collaboration and Leadership
- App Store Deployment Strategy
Websites
Languages
English
Hindi
Ios Projects
- Hearts Group - Loyalty & Rewards Platform, Architected modular VIPER-based iOS application., Integrated Stripe & Apple Pay with secure transaction flow., Implemented biometric authentication., Designed scalable feature modules to support loyalty expansion.
- PCL Health - Remote Health Monitoring App, Built SwiftUI-based app integrated with wearable health devices., Implemented real-time health data APIs., Designed scalable background task & notification handling.
- DotFit - Fitness Tracking Application, Integrated motion sensors for activity tracking., Developed calorie computation and analytics modules., Optimized background processing and performance efficiency.
Flutter Projects
- SmartPay (Flutter - Merchant Payment Platform), Led development of secure cross-platform payment solution., Designed clean architecture with separated business and data layers., Implemented structured API integration with centralized error handling., Built reusable UI components and scalable state management.
- Duplex Calculator (Flutter - Real Estate Tool), Developed real-time affordability and tax estimation engine., Applied clean architecture principles., Designed responsive UI across platforms.
- Food Pledge (Flutter - Marketplace Platform), Implemented BLoC-based scalable state management., Integrated Firebase for real-time data and notifications., Designed modular feature structure for rapid iteration.
- FodMap Friendly, Implemented MVVM architecture., Integrated Firebase notifications and dynamic filtering.
Architecture And Leadership Highlights
- Defined modular project structures improving maintainability.
- Established Git workflow and code review standards.
- Guided migration from native iOS to Flutter cross-platform solutions.
- Contributed to sprint planning, estimation, and technical roadmaps.
Timeline
Senior Programmer Analyst
Dotsquares Technology
09.2016 - Current