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I am a highly skilled mobile application developer with expertise in iOS (Objective-C, Swift, SwiftUI) and Android (Java, Kotlin, Jetpack Compose). I thrive in Agile environments, troubleshoot issues, implement features, and guide apps from concept to App Store & Play Store releases. I focus on scalable software architecture, SOLID principles, and modular design to deliver maintainable code. I have hands-on experience with CI/CD, Jira, testing, and collaborating across backend, product, iOS, and QA teams to drive project success across multiple platforms.…I am a highly skilled mobile application developer with expertise in iOS (Objective-C, Swift, SwiftUI) and Android (Java, Kotlin, Jetpack Compose). I thrive in Agile environments, troubleshoot issues, implement features, and guide apps from concept to App Store & Play Store releases. I focus on scalable software architecture, SOLID principles, and modular design to deliver maintainable code. I have hands-on experience with CI/CD, Jira, testing, and collaborating across backend, product, iOS, and QA teams to drive project success across multiple platforms.

Marwan Aziz

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I am a highly skilled mobile application developer with expertise in iOS (Objective-C, Swift, SwiftUI) and Android (Java, Kotlin, Jetpack Compose). I thrive in Agile environments, troubleshoot issues, implement features, and guide apps from concept to App Store & Play Store releases. I focus on scalable software architecture, SOLID principles, and modular design to deliver maintainable code. I have hands-on experience with CI/CD, Jira, testing, and collaborating across backend, product, iOS, and QA teams to drive project success across multiple platforms.…I am a highly skilled mobile application developer with expertise in iOS (Objective-C, Swift, SwiftUI) and Android (Java, Kotlin, Jetpack Compose). I thrive in Agile environments, troubleshoot issues, implement features, and guide apps from concept to App Store & Play Store releases. I focus on scalable software architecture, SOLID principles, and modular design to deliver maintainable code. I have hands-on experience with CI/CD, Jira, testing, and collaborating across backend, product, iOS, and QA teams to drive project success across multiple platforms.

Available to hire

I am a highly skilled mobile application developer with expertise in iOS (Objective-C, Swift, SwiftUI) and Android (Java, Kotlin, Jetpack Compose). I thrive in Agile environments, troubleshoot issues, implement features, and guide apps from concept to App Store & Play Store releases.

I focus on scalable software architecture, SOLID principles, and modular design to deliver maintainable code. I have hands-on experience with CI/CD, Jira, testing, and collaborating across backend, product, iOS, and QA teams to drive project success across multiple platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Android App Developer at Asset Insights

November 1, 2025 - November 1, 2025

Built the Android version of the PodFlo app from scratch and delivered it to the Play Store for testing. Worked closely with backend, iOS, product, and QA teams to align features and requirements. Structured the project for scalability and maintainability with clear module separation. Used Kotlin and Jetpack Compose with MVVM and a modular architecture. Implemented Hilt for dependency injection and enforced code quality with Lint and Detekt. Set up CI/CD pipelines and managed code through Azure DevOps.

Mobile App Developer Consultant at FDP (Freelance)

January 1, 2024 - November 14, 2025

Work collaboratively to create new features for both iOS and Android platforms. Uphold code quality standards and follow best practices in mobile design. Enhance performance, scalability, and resilience of the application. Collaborate with cross-functional teams to understand project requirements and deliver high-quality solutions. Collaborate with designers, product managers, and other stakeholders to refine project requirements. Identify opportunities for improvement and implement enhancements to existing applications.

Lead Mobile Developer at GymCatch

August 1, 2023 - November 14, 2025

Collaborate on new feature development for iOS and Android. Ensure high-quality code and adhere to mobile design best practices. Optimise performance, scalability, and resilience. Conduct thorough unit and UI testing for app reliability. Proﬁcient in Swift (iOS) and Kotlin (Android). Expert in Xcode (iOS) and Android Studio (Android). Apply Agile for efﬁcient project management. Provide mobile development leadership for iOS and Android.

iOS Developer at IRIS Software Systems Limited (Freelance)

August 1, 2023 - November 14, 2025

iOS development. App prototyping and consulting. Testing and quality assurance. App Store submission. Objective-C, Swift & SwiftUI. Agile Scrum. MS Azure CD/CI, CocoaPods and SPM. Unit & UI testing.

Mobile app developer at Freelancing/Self-employed

February 1, 2023 - November 14, 2025

iOS development. Android Development. App prototyping and consulting. Testing and Quality Assurance. Cross-Platform Development (Flutter). Objective-C, Swift & SwiftUI, Kotlin and Flutter. Agile Scrum. CD/CI, CocoaPods and SPM. Unit & UI testing.

iOS Engineer at BBC

December 1, 2022 - December 1, 2022

iOS development. Objective-C, Swift & SwiftUI. Agile Scrum. CD/CI (Jenkins, GitHub, Fastlane). CocoaPods. Bug fixing, adding new features and app store releasing. Jira project management. Unit & UI testing. Swift Package Manager.

Co-Founder at APP4IDEA

August 1, 2022 - August 1, 2022

Co-Founder and Director; responsible for enhancing and developing applications to meet client needs and ensure user satisfaction. Proﬁciently managed day-to-day operations, specialising in Android and iOS development.

iOS Developer at Healthily (Your.MD)

August 1, 2022 - August 1, 2022

iOS development. Swift & SwiftUI. Agile Scrum. Support QA to get tasks done. CocoaPods. CD/CI (CircleCI, GitLab, Fastlane). Bug fixing, adding new features and app store releasing. Jira project management. Swift Package Manager.

Mobile Developer at ERT.

June 1, 2020 - June 1, 2020

Building SDKs and libraries used by other Apps. Reactive Swift. XCTest & XCUITest. Agile Scrum & SAFe. Scrum master. CocoaPods. CD/CI (TC, GitLab, Fastlane). Bug fixing and adding new features to iOS & Android Apps. Android & iOS custom localisation. Jira project management. Swift Package Manager.

Mobile Developer at Conker Group

February 1, 2019 - February 1, 2019

iOS & Android development, CocoaPods. Bug fixing and adding new features to iOS & Android Apps. iOS Enterprise distribution. App Store distribution. Google Play Console, Internal, Alpha, Beta and production distribution. Google Play Console, publishing and distribution. Android & iOS localisation.

Mobile Developer at Music Magpie Entertainment

June 1, 2017 - June 1, 2017

iOS & Android development. Maintain and improve existing iOS & Android Apps. Business/Data Analysis frameworks integration using CocoaPods. App Store deployment and distribution. Google Play Console, publishing and distribution. TestFlight distribution.

Junior iOS Developer at Epyx Ltd.

March 1, 2016 - March 1, 2016

iOS development. Maintain and enhance iOS & Android Apps. Fix incident issues. Provide advice and consultation for customer support. iOS & Android deployment.

Web Developer at De Montfort University

July 1, 2014 - July 1, 2014

Developing web pages using Drupal open source management tool. Project management. Integrate different APIs with Solr, to provide advanced search functionality.

iOS Research & Development at De Montfort University

December 1, 2013 - December 1, 2013

Understanding augmented reality Apps, implementing AR concepts, testing iOS applications, integrating 3D frameworks with iOS, exploring compatibility between iOS libraries and 3D modelling software, mentoring and using device motion data.

Mobile App Developer (Freelance / Self-Employed) at Self-Employed

February 1, 2023 - Present

Delivered iOS and Android solutions for multiple clients, including IRIS Software Systems and FDP. Developed production features using Swift, SwiftUI, Objective-C, Kotlin, and Jetpack Compose. Integrated REST and GraphQL APIs for core application functionality. Owned full delivery lifecycle: architecture, CI/CD, testing, App Store & Play Store releases, and stakeholder collaboration.

Co-Founder at APP4IDEA

August 1, 2019 - August 1, 2022

Co-Founder and Director of APP4IDEA, focusing on enhancing and developing applications to meet client needs and ensure user satisfaction. Proficiently managed day-to-day company operations, specialising in Android and iOS development.

iOS Developer at Healthily (Your.MD)

August 1, 2020 - August 1, 2022

Mobile Developer at ERT

March 1, 2019 - June 1, 2020

Building SDKs and libraries used by other Apps. Reactive Swift. XCTest & XCUITest. Agile Scrum & SAFe. Scrum master. CocoaPods. CD/CI (TC, GitLab, Fastlane). Bug fixing and adding new features to iOS & Android Apps. Android & iOS localisation. Jira project management. Swift Package Manager.

Mobile Developer at Conker Group

June 1, 2017 - February 1, 2019

Mobile Developer at Music Magpie Entertainment

March 1, 2016 - June 1, 2017

Junior iOS Developer at Epyx Ltd.

August 1, 2014 - March 1, 2016

iOS development. Maintain and enhance iOS & Android Apps. Fix incident issues. Provide advice and consultation for customer support. iOS & Android deployment.