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Faizul Karim

@faizulkarim

Senior iOS Engineer at BRAINSTATION 23 developing MyBL features, Bluetooth health-device connectivity, and on-device 3D product models.

Bangladesh

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At BRAINSTATION 23, I work on the MyBL app, developing features and improving its UI while supporting API integration, testing, and QA/UAT. I also work on Bluetooth-based health-device connectivity and real-time data reading.

I'm developing on-device 3D model generation using photogrammetry and integrating the models into an e-commerce workflow. I write testable iOS code using MVVM and the Repository pattern.

Previously, at SUPERTALPTE LTD, I developed shopping and account features, including payment integration using Xendit. At BRIGHTBRAINS, I worked on e-commerce and ride-sharing apps and optimized an application, boosting efficiency by more than 50%.

Experience

Work history, roles, and key accomplishments

Current

Senior iOS Engineer

Current

Brainstation 23

Mar 2025 - Present (1 year 7 months)

Write clean, maintainable, and testable code following MVVM and the Repository pattern. Work on advanced health features, including Bluetooth-based health device connectivity and real-time data reading, and develop on-device 3D model generation using photogrammetry.

MVVM Repository Pattern Bluetooth Medical Devices Photogrammetry 3D Models And Applications Ecommerce API Integration UI UX Performance Optimization Testing QA Testing

Senior iOS Engineer

Supertalpte Ltd

Mar 2022 - Oct 2024 (2 years 7 months)

Developed features such as login, home, wish list, shopping cart, order processing, and payment integration using Xendit. Conducted comprehensive unit tests and integration tests.

MVVM Builder Routers Xendit Payment Integration Unit Testing Integration Testing Bug fixing Collaboration

Senior iOS Engineer

Brightbrains

Nov 2020 - Feb 2022 (1 year 3 months)

Designed, developed, and maintained native iOS applications for E-commerce and ride-sharing. Optimized the application, boosting efficiency by more than 50%.

iOS Ecommerce Ridesharing MVC MVVM VIPER Code Review Performance Optimization

iOS Engineer

Innovadeus Pvt. Ltd

Oct 2018 - Oct 2020 (2 years)

Developed applications using Xcode, Interface Builder, and UIKit. Implemented design patterns such as MVC and MVVM, and completed projects in HR management, ride-sharing, digital learning, and parcel management.