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I am an experienced iOS engineer with 12+ years designing, building, and scaling high-performance, media-rich mobile applications across consumer, enterprise, and startup environments. I thrive on delivering polished, reliable apps that provide engaging user experiences and robust performance. I specialize in Swift, SwiftUI, Objective-C, and modern architectures (MVVM, VIPER, Clean Architecture), with deep expertise in video processing, real-time content delivery, and AI-driven personalization. I enjoy crafting intuitive, visually engaging interfaces for creative storytelling, interactive experiences, and high-resolution media playback.…I am an experienced iOS engineer with 12+ years designing, building, and scaling high-performance, media-rich mobile applications across consumer, enterprise, and startup environments. I thrive on delivering polished, reliable apps that provide engaging user experiences and robust performance. I specialize in Swift, SwiftUI, Objective-C, and modern architectures (MVVM, VIPER, Clean Architecture), with deep expertise in video processing, real-time content delivery, and AI-driven personalization. I enjoy crafting intuitive, visually engaging interfaces for creative storytelling, interactive experiences, and high-resolution media playback.

Usama Khan

App Developer, Developer, Front-End Developer, +6

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I am an experienced iOS engineer with 12+ years designing, building, and scaling high-performance, media-rich mobile applications across consumer, enterprise, and startup environments. I thrive on delivering polished, reliable apps that provide engaging user experiences and robust performance. I specialize in Swift, SwiftUI, Objective-C, and modern architectures (MVVM, VIPER, Clean Architecture), with deep expertise in video processing, real-time content delivery, and AI-driven personalization. I enjoy crafting intuitive, visually engaging interfaces for creative storytelling, interactive experiences, and high-resolution media playback.…I am an experienced iOS engineer with 12+ years designing, building, and scaling high-performance, media-rich mobile applications across consumer, enterprise, and startup environments. I thrive on delivering polished, reliable apps that provide engaging user experiences and robust performance. I specialize in Swift, SwiftUI, Objective-C, and modern architectures (MVVM, VIPER, Clean Architecture), with deep expertise in video processing, real-time content delivery, and AI-driven personalization. I enjoy crafting intuitive, visually engaging interfaces for creative storytelling, interactive experiences, and high-resolution media playback.

Available to hire

I am an experienced iOS engineer with 12+ years designing, building, and scaling high-performance, media-rich mobile applications across consumer, enterprise, and startup environments. I thrive on delivering polished, reliable apps that provide engaging user experiences and robust performance.

I specialize in Swift, SwiftUI, Objective-C, and modern architectures (MVVM, VIPER, Clean Architecture), with deep expertise in video processing, real-time content delivery, and AI-driven personalization. I enjoy crafting intuitive, visually engaging interfaces for creative storytelling, interactive experiences, and high-resolution media playback.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Principal Mobile Application Developer at PepsiCo

February 1, 2022 - Present

Delivered modular, loosely coupled features using Swift Package Manager and multi-target Xcode projects to speed up builds and enable feature isolation. Implemented Swift Concurrency (async/await, actors) to simplify asynchronous networking and background tasks, reducing threading issues and improving code clarity. Explored and prototyped AI-powered chat and recommendation features using Core ML and Natural Language to enhance engagement and content delivery. Collaborated on real-time dashboards with Combine and Swift Concurrency for live updates and analytics. Automated testing with XCTest and XCUITest, integrated into CI/CD pipelines (Fastlane, GitHub Actions). Authored API usage guides and design proposals, guiding product and design teams. Led code reviews and established team-wide standards aligned with SOLID principles. Coordinated with PMs, designers, and backend engineers to deliver end-to-end production-ready features. Used Crashlytics and Xcode Instruments to monitor performa

Lead Mobile Application Developer at Invemo

January 31, 2022 - October 23, 2025

Architected and maintained scalable, modular app architectures (MVVM, Clean, VIPER) with reusable components across feature teams. Integrated SwiftUI and UIKit interoperability while leveraging Combine and async/await for reactive interfaces. Operated in startup-style environment balancing rapid prototyping with scalable architecture. Designed experimental AI-driven personalization modules using Core ML for in-app recommendations. Developed prototype chat and conversational interfaces with custom NLP integrations. Automated build, test, and release pipelines with Fastlane and CI/CD workflows, including UI automation and beta distribution. Authored design docs and RFCs evaluating trade-offs. Championed TDD with robust automation (unit, integration, UI tests). Conducted peer reviews and mentoring. Managed App Store submissions and releases. Used Crashlytics, Datadog, and runtime profiling to monitor app health and improve user experience.

Senior Mobile Application Developer at Digital Radium

May 31, 2019 - October 23, 2025

Developed and maintained native iOS apps using MVVM, created custom UI components increasing retention and satisfaction. Optimized performance, reducing crashes and improving metrics. Collaborated with backend and QA to optimize features, reducing crash rates. Focused on health-related features, data privacy and security. Boosted ROI by evaluating features, leading to increased engagement and revenue. Led cross-functional feature design, driving full app lifecycle. Led A/B testing for core features. Mentored juniors, established coding standards, improved reliability. Implemented advanced error tracking and debugging reducing crashes.

Mobile Application Developer at Binary Evolution

February 28, 2015 - October 23, 2025

Delivered native iOS apps for iPhone and iPad, expanding user base. Used Xcode profiling to reduce crashes and improve stability. Implemented pricing features boosting sales. Provided strategic direction on app features aligned with objectives. Established team-wide coding standards and documentation.

Lead Mobile Application Developer at Invemo

June 1, 2019 - January 31, 2022

Architected and maintained scalable, modular app architectures (MVVM, Clean, VIPER) with reusable components, streamlining development across multiple feature teams. Integrated SwiftUI and UIKit interoperability while leveraging Combine and async/await for smooth, reactive user interfaces and modern concurrency management. Operated in a startup environment, balancing rapid prototyping with scalable, maintainable architecture to deliver new features under tight timelines. Designed experimental AI-driven user personalization modules using Core ML for predictive in-app recommendations and developed prototype chat/conversational interfaces using custom NLP integrations. Automated the build, testing, and release pipeline with Fastlane and CI/CD workflows, including UI automation and beta distribution, accelerating release cycles. Produced design docs and RFCs for major features, evaluating multiple approaches with clear trade-offs and effort estimates to guide technical decision-making. Cha

Senior Mobile Application Developer at Digital Radium

March 1, 2015 - May 31, 2019

Developed and maintained native iOS apps using MVVM, creating custom UI components that increased user retention and satisfaction. Optimized app performance, reducing crashes and improving key metrics through rigorous testing and targeted enhancements. Collaborated with backend, QA, and firmware teams to optimize features and reduce crash rates. Focused on health-related features, integrating APIs and optimizing data privacy and security for sensitive user data. Led A/B testing initiatives for core features, leveraging user behavior data to optimize functionality and engagement. Mentored junior developers through code reviews and established coding standards, promoting high-quality, maintainable deliverables. Introduced advanced error tracking and debugging strategies, contributing to stability improvements and reduced crashes.

Mobile Application Developer at Binary Evolution

March 1, 2012 - February 28, 2015

Delivered comprehensive iOS apps compatible with both iPhone and iPad, expanding the user base. Used Xcode profiling tools to minimize crash occurrences and improve app stability. Implemented pricing features to boost sales and enhance revenue streams. Provided strategic direction on app features, ensuring alignment with business objectives and market demands. Established team-wide coding standards and documentation practices to promote development efficiency.