Jabran Haider

Software Engineer

Manafa Technologies

Feb 2025 - Present • 1 yr 6 mos

Worked on Manafa, a fintech product, focusing on maintenance, feature enhancements, and performance optimization. • Implemented BLoC and Cubit state management to ensure consistent and maintainable UI states, improving code readability and scalability. • Integrated Retrofit and Dio for robust network communication with structured API handling, error management, and streamlined data modeling. • Adopted Clean Architecture principles, structuring apps into data, domain, and presentation layers for improved testability and scalability. • Implemented automated JSON parsing and resource generation, ensuring type safety, reducing boilerplate, and improving developer productivity. • Collaborated with backend and product teams to integrate fintech-specific features such as secure transactions, account management, and real-time financial data visualization. • Ensured data security and compliance with financial standards while integrating APIs and handling sensitive user information. • Optimized application performance and responsiveness, delivering a seamless user experience in a high-traffic financial environment.

Software Engineer

RootPointers • Full-time

Feb 2024 - Jan 2025 • 11 mos

• Built cross-platform mobile applications using Flutter with BLoC/Cubit and Clean Architecture. • Integrated In-App Purchases, subscription models, and payment gateways for monetization. • Implemented real-time communication features such as audio/video calls and live chat. 1 / 4 • Utilized Google Cloud Services (real-time databases, cloud functions) for backend integration. • Integrated and managed external sensors and hardware-triggered features within mobile applications. .NET Backend Development • Developed and maintained RESTful Web APIs using .NET 8 and .NET 6 following Clean Architecture principles. • Designed and managed SQL databases, implementing Entity Framework Core with multiple database contexts. • Built authentication and authorization systems (JWT, role-based access control) to ensure application security. • Optimized API performance with caching, async programming, and query optimization. • Implemented file storage and retrieval systems using AWS S3, Linode Buckets, and other cloud providers. • Created scalable API endpoints to support real-time communication features in mobile applications. • Integrated third-party APIs for payments, messaging, and external services. • Applied CI/CD pipelines for automated builds and deployment of .NET applications. • Collaborated with teams to ensure seamless integration between backend APIs and frontends

Flutter Developer

Tycoonz Solutions • Full-time

Jan 2023 - Jan 2024 • 1 yr

• Developed cross-platform mobile and desktop applications using Flutter. • Implemented state management solutions with GetX to ensure scalable and efficient application architecture. • Integrated Firebase services for authentication, notifications, and cloud storage. • Implemented Google Maps APIs for real-time location-based features. • Enabled In-App Purchases with secure transaction processing for monetization. • Integrated blockchain backend services (developed by backend team) into the application for: a. End-to-end encrypted chat functionality b. Multi-currency crypto wallet support (BTC, Solana, Ethereum, etc.) • Collaborated closely with the backend team to ensure smooth API communication and secure data handling.