iOS Developer
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Experienced iOS Developer with 7+ years of expertise in Swift, Objective-C, Java, Kotin and mobile platform development. Proficient in Java development, offline syncing, multitasking, and healthcare technologies. Delivered secure, scalable mobile applications like Nexus Pay and HIPAA-compliant healthcare solutions such as Augmedix Go and Scribe Mobile.
📅 Jul 2023 – Present
Implemented iOS and Android features using Figma, GraphQL, and Go/Scribe Mobile, improving UX and reducing task time by 30%.
Created an encryption SDK, enhancing data security by 50% and aligning with compliance standards.
Cut crash rates by 40% by using Redux architecture and XCTest.
Led code reviews, reducing bugs by 25% and improving integration/testing speed.
Collaborated cross-functionally in Agile SDLC to improve code quality and delivery.
📅 Feb 2018 – Jul 2023
Built a $2B+ wallet app with seamless UX, secure payments, and App Store success.
Refactored legacy code into MVVM & Coordinator patterns.
Used TDD and XCTest to boost code robustness and improve retention by 15%.
Integrated Firebase Analytics to enhance user experience.
Automated pipelines via Jenkins & Fastlane, saving ~7 hours/week.
Developed EKYC modules, cutting onboarding cost by 50%.
Scaled Nexus Pay (1.5M ➝ 6M users) and Nagad (1M ➝ 60M users) with zero major downtime.
Mentored 10+ juniors, delivered 95% on-time projects across 5+ teams, improving scalability by 30% and stability by 25%.
Built credit analysis mockups using JavaScript + Django + ML integration.
Advocated innovative engineering with strong verbal/written communication.
📅 Jun 2017 – Sep 2017
Built an E-Commerce platform connecting farmers to consumers, improving transaction efficiency in agricultural markets.
AI-powered clinical scribe platform with real-time HIPAA-compliant audio transcription.
Cut documentation time by 30%
Improved production debugging with resumable logs and event tracking
Bangladesh's first fully cardless banking app (Dutch-Bangla Bank)
Enhanced UX and customer satisfaction (+20%)
Boosted app performance by 50% using Coordinator & DI
Kona Live Object Detection SDK
Anti-spoofing SDK for secure identity verification
Zero fraud cases post-launch within 3 months
White-box Cryptography
Open-source secure data processing framework (SPM, CocoaPods, Carthage)
Rajshahi University of Engineering & Technology
📅 Jan 2015 – Dec 2018
