Md Tanvir H. Email & Phone Number

Dhaka, Bangladesh

• Accomplishments include:
• Architected various native and hybrid Android and iOS projects (Swift, Java/Kotlin, and React Native/Flutter)
• Developed mobile applications for more than 30 clients from across different countries ensuring product quality and deadline.
• Spearheaded the design and implementation of critical functionalities on the middleware side, optimized database structure, and tailored the Android framework to ensure compatibility across diverse devices, leading to.
• Analyzed the requirements, and understanding the functional specifications.
• Developed applications from specifications and requirement gathering.

Singapore

• Pluang is one of the fastest-growing Fintech startups in Southeast Asia. As a Senior Android Developer in this product-based startup, my role was to lead the growth squad.Accomplishments include:
• Implemented innovative design features and optimized user experience resulting in a 20% increase in app engagement and a 15% decrease in user churn rate.
• Directed architectural design decisions and fine-tuned end-to-end application functionality; achieved a 40% reduction in system response time, resulting in improved user experience and increased customer satisfaction.
• Designed, developed, and maintained Pluang Android application
• Developed with cross-functional teams to define, design, and ship new features.
• Managed features independtly which resulted in growth of Pluang.

Berlin, Germany

• Blloc is a Berlin-based startup. Their core product is Ratio which is an Android Launcher Application. Ratio is known for its minimalist design, using a monochromatic color scheme and a card-based layout. It organizes.
• Directed architectural design decisions and fine-tuned end-to-end application functionality; achieved a 40% reduction in system response time, resulting in improved user experience and increased customer satisfaction.
• Designed, developed, and maintained Ratio Launcher Android application.
• Exceeded premium users by 25-35% through excellent animations and user friendly UI.
• Implemented Jetpack Compose for building different Ratio card widgets.
• Architected my code to be efficient, multi moduled, reliable, maintainable and reusable.

London, England, United Kingdom

• Nearcut offers features such as online booking, appointment reminders, customer management, and other tools that can enhance the overall efficiency of a barbershop or salon. Customers can book appointments online, and.
• Developed Card Reader App for Barbers using Stripe Terminal SDK.
• Developed the full application from scratch and deploy it in play store.
• Write full suite of Unit & UI test cases with 90% test coverage.
• Optimized code base through proactive refactoring and rigorous code review, resulting in a 50% reduction in bug frequency and doubling the maintainability of the source code, leading to enhanced development efficiency.
• Fixed critical bugs and users support.

United States

• tawk.to is a free live chat app that lets us monitor and chat with visitors on your website or from a free customizable page. As an Android Developer, my responsibility was to develop core features and help other.
• Led the development of game-changing features in the Tawk.to app, resulting in a 50% reduction in app loading time and a 40% increase in user acquisition.
• Developed new features in Tawk.to app that impact millions of users.
• Fixed critical crashes which help reducing crash free users by 10%.
• Implemented individually as well as part of a larger team.
• Developed of various modules in accordance with Agile Methodology framework.

New York, United States

• USECRYPT is a secured messaging app. It created its own systems that make it possible to hold encrypted messages and calls in HD standard. Whole communication via usecrypt messenger is secured with end‑to‑end.
• Engineered and implemented performance-enhancing features from the ground up, adhering to industry-standard coding practices and architectural principles; achieved a 40% reduction in app response time and improved.
• Designed and implemented robust end-to-end encryption mechanisms to secure user communications.
• Stayed informed about the latest encryption standards and best practices.
• Implemented secure data storage practices, including encrypted local storage for sensitive user data.
• Chose and implemented secure communication protocols to protect data during transit.

Dhaka, Bangladesh

• Topcoder is a platform that hosts competitive programming contests and challenges. Topcoder offers a variety of gigs, the gig I excelled here as an Android Developer for Robinhood App, a popular app for food & hotel.
• Implemented systematic code review practices and conducted regular refactoring sessions, resulting in a 50% reduction in technical debt, improved code readability, and a more scalable and maintainable codebase.
• Led codebase enhancement initiatives by actively refactoring and reviewing code, resulting in a 2x increase in code maintainability, reduced technical debt, and improved development efficiency, ensuring seamless.
• Impemented Flutter modules of Robinhood Super app
• Integrated Adzerk SDK for digital advertising
• Connected flutter module with Native side

Romania

• Wesrom Corporation is a Software Development and Digital Marketing Company. As a Senior Mobile Developer, my responsibility was to work on their various client projects for Wesrom.Accomplishments include:
• Maintained multiple client applicationsin Native Android, React Native & Flutter
• Replaced Java & RxJava by Kotlin and Coroutines.
• Achieved desired results within a specific timeframe.
• Facilitated in deciding Architecture Design for several apps.
• Guided other developers

Dubai, United Arab Emirates

• Borndigital Limited had its product Anom which is an FBI-backed secured messaging application. Accomplishments include:
• Participated in Cross-team collaboration, with product, design, and QA teams, to ensure we create great user experiences whilst also adhering to high security and privacy standards which are underpinned by our.
• Designed and developed custom field communications solutions, based on encrypted Push-to-Talk platform.
• Implemented integration with Amazon AWS for uploading and downloading media files.
• Created and incorporated SQLCipher database Manager for local data persistence of audit files on the device.
• Analyzed standard Android components activities, services, database, layout as well as creating custom views for the application.

Dhaka, Bangladesh

• Oceanzie Inc is a Japanese Company, i excelled in various projects in Oceanize Inc.Accomplishments include:
• Recorded every project meeting and wrote down into a report, coordinate with the Project Manager on current project tasks.
• Identified and fixed any bugs reported during the testing phase of the project.
• Wrote project report every phase that follows the project process.
• Development of various modules in accordance with the Agile Methodology framework.
• Involved in Application testing, Memory Analysis, Screen fragmentation support.

Dhaka, Bangladesh

• Accomplishments include:
• As the only Android developer for the company, quickly jumped on board and took full responsibility of the development and operation of the app.
• Performed bug fixes on existing code and analyzed existing code to detect and fix code.
• Implemented login system using Firebase.
• Integrated Retrofit for better and parallel network calls.
• Collaborated with web services team to implement the backend support.

Dhaka, Bangladesh

• Accomplishments include:
• Developed various modules in accordance with Agile Methodology & framework.
• Collaborated along with the Business Analysis, Design, QA, and Development team in shaping the product as per the Customers requirements
• Developed of key functionalities like on middleware side, Database design, Android framework for multiple device support
• Conducted product to demonstrate the project to multiple clients JAVA
• Coded using java methodologies.