Senior Software engineer with 10+ years building apps across Apple retail, fintech and e-commerce, plus published App Store products. Former lead of a 10-engineer iOS team. Focused on modular architecture, test automation, security and performance.
📍 Austin, TX · 🇺🇸 U.S. Permanent Resident ·
- 🍎 Currently: Senior iOS Engineer experienced in API integration, XCUITest framework development, CI/CD, and release validation.
- 🧪 Test automation: helped cut regression testing time by 90% by expanding UI automation across internal iOS apps.
- 🤖 AI-forward: prototyped LLM-powered visual regression testing that reached 85% precision across tested flows.
- 👥 Leadership: led a 10-person iOS team at Greenlight Financial Technology, covering estimation, architecture and sprint delivery.
- 📚 Learning: Machine learning, Computer vision and image processing, AI, System Design.
| Languages | Swift, Python, Java, JavaScript, C/C++, Objective-C, SQL, Shell/Bash, HTML, CSS |
| Software Engineering | System Design, Software Architecture, Object-Oriented Programming (OOP), Object-Oriented Design, Design Patterns, SOLID Principles, Data Structures & Algorithms, Clean Code, Code Review, Refactoring, Performance Optimization, Scalability |
| iOS | SwiftUI, UIKit, Combine, Swift Concurrency, Core Data, Core Animation, Core ML, ARKit, HealthKit, HomeKit, MapKit, Metal, SpriteKit, SceneKit, AVFoundation, Realm |
| Architecture | Modular Architecture, MVVM, MVC, MVP, VIPER, Dependency Injection, Repository Pattern, Coordinator Pattern, Protocol-Oriented Design, Reusable Component Libraries, Design Systems |
| Testing & CI/CD | Test Automation Framework Design, End-to-End (E2E) Testing, Unit & Integration Testing, Regression Testing, API & Contract Testing, Service Mocking & Virtualization (WireMock), Visual Regression Testing, Data-Driven Testing, Page Object Model, Test-Driven Development (TDD), Release Validation, Test Reporting,CI/CD Pipelines, Build & Release Automation, Bitrise, Fastlane, Git, GitHub, Branching Strategies, Pull-Request Workflows, Docker, Kubernetes, Linux, AWS, Shell and Python Scripting |
| Security | Keychain, SSL pinning, AES encryption, OAuth, biometrics, HTTPS |
| Backend & DevOps | REST APIs, Django REST Framework, PostgreSQL, Docker, Kubernetes, Linux, AWS |
| AI & productivity | Claude Code, Cursor, Codex, agentic AI, MCP, ML fundamentals, NumPy, SciPy, Polars, scikit-learn, TensorFlow |
- Slideshow Maker – Video Music FX
- Photo Collage Layout
- Document Scanner – Scan PDF
- Chat AI – Advanced Assistant
- QR Code Generator
- Invoice Maker
- Photo Editor
B.Sc. in Computer Science & Engineering, Khulna University of Engineering and Technology, Bangladesh (2012 – 2016)
Open to Senior / Staff iOS roles. Reach me at muhammad.mamun1107@gmail.com.