Mohammed Rokon Uddin

Senior Software Engineer II, Mobile

shoaib.rokon@gmail.com
rokonuddin
rokon-uddin
+880 1811-536248
Dhaka, Bangladesh (GMT+6)

Profile

Senior Software Engineer II, Mobile with 10+ years of experience building scalable, high-performance products across Apple platforms, plus hands-on experience with Flutter, Dart, and Android. Strong expertise in SwiftUI, TCA, Clean Architecture, and Swift Concurrency, with a track record of performance optimization, architecture, team leadership, and shipping products used by millions of users. An AI-first developer with agentic coding workflows built into daily practice. Product-minded engineer with hands-on experience building and launching independent AI-powered iOS apps, from ideation and experimentation through App Store delivery.

Skills

Languages & Frameworks: Swift, Objective-C, Reactive Programming (Combine, RxSwift), SwiftUI, UIKit, iOS, watchOS, macOS

Cross-Platform & Android: Flutter, Dart, Android (Java/Kotlin), Kotlin Multiplatform (KMP)

Backend & Integration: REST APIs, API Design Collaboration, Microservices Integration

Data & Performance: CoreData, SwiftData, Realm, Performance Optimization, GCD, Operation, Swift Structured Concurrency

AI-First & Agentic Development: AI-assisted development (ChatGPT, Claude), agentic coding workflows, automated code generation, refactoring, and debugging

Architecture & Engineering: The Composable Architecture (TCA), Clean Architecture, MVVM-C, Backend-Driven UI, Modular Architecture, Scalable System Design

Testing & Quality: XCTest, UI Testing, Snapshot Testing, Test-Driven Development (TDD), Automation Testing

Product & Delivery: A/B Testing, Experimentation, Product Thinking, Agile, Scrum, Cross-functional Collaboration

Tools: Instruments, Swift Package Manager (SPM), CocoaPods, SwiftLint, SwiftFormat, Git, CI/CD (Bitbucket, GitHub Actions, Xcode Cloud)

Professional Experience

Specialized Engineer I, Brain Station 23 — October 2024 – Present, Dhaka, Bangladesh

Leading a mobile engineering team of 34 engineers, driving architecture, delivery, and engineering excellence across projects.
Re-architected a legacy iOS codebase using Clean Architecture, improving modularity, maintainability, and testability.
Achieved ~4× faster app load time by adopting Swift Structured Concurrency and optimizing async workflows.
Improved runtime efficiency through structured thread management and background processing, reducing memory and power usage.
Standardized code quality using SwiftLint & SwiftFormat, reducing review cycles and improving consistency.
Defined scalable system architecture and mentored engineers, strengthening long-term product and team growth.

Senior Software Engineer II, Monstarlab Bangladesh Ltd. — June 2017 – June 2024, Dhaka, Bangladesh

Contributed to and scaled a mobile engineering team of 16 engineers, delivering multiple high-impact iOS applications.
Introduced TCA, Clean Architecture, and MVVM-C, improving code maintainability and development velocity.
Drove adoption of modern iOS technologies, reducing technical debt and improving scalability.
Improved app stability and performance by identifying bottlenecks and optimizing critical flows.
Mentored developers and enforced engineering best practices across teams.

Recent Projects

MyGP (Grameenphone) iOS App — October 2024 – Present

Contributed to a large-scale iOS application serving 20M+ monthly active users, ensuring performance under high traffic.
Reduced API latency by ~35–45% via optimized networking and Swift Structured Concurrency.
Improved app launch and screen load time by ~4×, enhancing responsiveness.
Increased payment success rate by ~15–20% through optimization of bKash, Nagad, and card flows.
Improved stability, increasing crash-free sessions from ~96% → 99%+.
Reduced redundant API calls by ~30% using caching and smarter data-fetch strategies.

Museum of the Future (MOTF) — Monstarlab Bangladesh Ltd.

Built an interactive iOS app with real-time indoor positioning (BlueGPS).
Architected using TCA + Clean Architecture, improving modularity and scalability.
Increased development velocity by ~30–40% via modularization (SPM).
Reduced location update latency by ~25%, improving responsiveness.
Achieved >99% crash-free sessions in production.

Independent iOS Projects

PixPerfect – Inpaint with AI — Built and shipped an on-device AI photo editor for object removal using Core ML and Vision, with freehand brush, precision loupe, lasso, AI object detection, segmentation, and background reconstruction. Privacy-first processing with no uploads or account requirement.

CleanShot – AI Photo Cleaner — Independently designed, developed, and shipped an on-device AI photo-cleanup app that detects duplicates, similar images, screenshots, notes, and blurry/low-quality photos, with bulk cleanup and full-screen review.

QuranWords: Flashcard — Independently built and launched a multilingual vocabulary-learning app using frequency-ranked Quranic vocabulary, spaced repetition, word-level audio, real verse context, and six quiz modes, supporting eight app languages.

Education

B.Sc. in Computer Science and Engineering — American International University – Dhaka, 2015

Awards

The Mountain Mover of Monstarlab — Monstarlab Bangladesh Ltd., 2020
Microsoft Imagine Cup National Champion — Microsoft Bangladesh, 2014