MOSTAFIZUR RAHMAN
Dhaka
Summary
Energetic 11+ yrs experienced mobile app developer for Android, iOS and Flutter. Proficient in Swift/Objective-C, Java, Dart, C/C++, and SOLID principles. Skilled in iOS camera integration, computer vision, and leading frontend teams. Adept in agile methodologies, PRD validation, and performance optimization. Preferred startup environments for growth.
Overview
11
11
years of professional experience
Work History
Sr. Load Software Engineer
bKash Limited
04.2021 - Current
- Worked collaboratively with stakeholders to resolve technical roadblocks and completed company roadmap items
- Leading 2 teams of software engineers(9) to successfully complete projects within deadlines, ensuring high-quality end products.
- Mentored junior developers, fostering talent development and growth within the company.
- Micro front-end solution designed for enterprises
- Write and review code, apply SOLID principles
- Data-Domain driven clean code architecture design
- Enhanced security by integrating in-device biometric features for FinTech app
- Implemented face detection and liveliness check using MLKit to prevent fraud attempt
- Handled image encoding from nv21/bgra to jpeg, optimizing performance
- JSON based UI generation, Package creation, Utility bill payment, Mobile Recharge, Coupon System, Toll System, OTP System,
- User Onboarding Journey with NID OCR, Face Recognition System and Long pulling/firebase driven asynchronous backend-frontend communications
Software Engineer
Progoti Systems Ltd.
04.2019 - 04.2021
- Integrate face-detection and recognition in Android and iOS
- SureCash, FinTech app biometric feature integration with flutter Method & Event channeling
- Requirement analysis of FinTech mobile app, solution design
- Advanced UI/UX creation in native iOS and flutter
- Develop features maintaining SOLID principles
- Raw camera image data(nv21, YUV, BGRA) processing for detection system, wrote encoder/decoder
- Android OpenGLES, Swift-Metal, rendering pipeline design
- Fixed image rotation/flip of KYC form using TensorFlow
- Completed product road map with quality
- Parallels the development of multiple features
Sr iOS Engineer
Paradox Space
12.2017 - 01.2019
- Face detection, face feature extraction, face mask drawing features
- Designed rendering pipeline for iOS using Swift and Metal shader
- Audio/Video processing on both Android and iOS
- Merged video and audio using AVAsset writer on iOS
- Coloring book application using gradient color, flood-fill algorithm
- Worked on HealthKit, CoreData, CoreGraphics, AVFoundation, CoreAudio, and watchOS
Sr. Software Engineer
IPvision Canada Inc
12.2014 - 12.2017
- Developed face detection in iOS and face feature extraction using prediction models
- Benchmarked prediction models and modified ML algorithms (Dlib)
- Designed camera flow and camera frame rendering with mask drawing
- Worked on image processing and video processing using OpenCV, Dlib, and OpenGLES
- Integrated GIF libraries and noise reduction for audio processing
- Developed custom tools for face landmark positioning on OS X
- Prepared custom datasets for face model generation
- Implemented live video streaming and applied bilateral filter to enhance video quality
- Designed intuitive UI for social media app RingID using Storyboards and Auto Layout, improving user engagement and retention rates
Software Engineer
Samsung Research & Development
04.2014 - 11.2014
- UI Test writing for Tizen OS
- Unit test case writing for Math Library of Tizen OS
- UI Test Automation using eclipse and Java
Education
Bachelor of Science - Computer Science
Khulna University of Engineering & Technology
Khulna, KH09.2013
Higher Secondary Certificate -
Rifles' Public School
Dhaka, DH06.2008
Skills
- Leading team with mentorship
- Git, JIRA, Confluence, GitHub
- PRD validation, Solution architect
- Camera Image Processing
- Clean-code architecture, OOP
- SOLID principles, Design Patterns
- REST API, Caching Architecture
- Swift, Objective-C, SwiftUI
- Dart - Flutter, BloC, Rx-Dart
- Kotlin, Java, Android
- C, C, C#, Bash
- UI/UX pixel perfect coding
- OpenCV, Dlib, fmpeg
- Firebase, Push notifications
- AVFoundation, MLKit
- App/Play-Store app release
Languages
English
Advanced
C1
References
M.d. Mahbubur Rahman, Senior Staff Research Engineer, Samsung, Samsung Research America, https://www.linkedin.com/in/mahbubur2000/
Timeline
Sr. Load Software Engineer
bKash Limited
04.2021 - Current
Software Engineer
Progoti Systems Ltd.
04.2019 - 04.2021
Sr iOS Engineer
Paradox Space
12.2017 - 01.2019
Sr. Software Engineer
IPvision Canada Inc
12.2014 - 12.2017
Software Engineer
Samsung Research & Development
04.2014 - 11.2014
Higher Secondary Certificate -
Rifles' Public School
Bachelor of Science - Computer Science
Khulna University of Engineering & Technology
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