Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am an accomplished Mobile App Developer with over 10 years of experience designing, building, and maintaining high-performance, cross-platform mobile applications for iOS and Android. I am proficient in native and hybrid app development using Swift, Kotlin, Flutter, and React Native, and I excel at collaborating with UI/UX teams, QA engineers, and product stakeholders to deliver exceptional results. Throughout my career, I have demonstrated success leading the end-to-end app lifecycle, from ideation to delivery. I bring strong expertise in mobile architecture, RESTful API integration, performance optimization, and deployment to app stores, along with a solid understanding of mobile DevOps, Continuous Integration and Continuous Delivery pipelines, and modern software engineering practices.…I am an accomplished Mobile App Developer with over 10 years of experience designing, building, and maintaining high-performance, cross-platform mobile applications for iOS and Android. I am proficient in native and hybrid app development using Swift, Kotlin, Flutter, and React Native, and I excel at collaborating with UI/UX teams, QA engineers, and product stakeholders to deliver exceptional results. Throughout my career, I have demonstrated success leading the end-to-end app lifecycle, from ideation to delivery. I bring strong expertise in mobile architecture, RESTful API integration, performance optimization, and deployment to app stores, along with a solid understanding of mobile DevOps, Continuous Integration and Continuous Delivery pipelines, and modern software engineering practices.

Henry Izaar

App Developer, Developer, Programmer, +2





I am an accomplished Mobile App Developer with over 10 years of experience designing, building, and maintaining high-performance, cross-platform mobile applications for iOS and Android. I am proficient in native and hybrid app development using Swift, Kotlin, Flutter, and React Native, and I excel at collaborating with UI/UX teams, QA engineers, and product stakeholders to deliver exceptional results. Throughout my career, I have demonstrated success leading the end-to-end app lifecycle, from ideation to delivery. I bring strong expertise in mobile architecture, RESTful API integration, performance optimization, and deployment to app stores, along with a solid understanding of mobile DevOps, Continuous Integration and Continuous Delivery pipelines, and modern software engineering practices.…I am an accomplished Mobile App Developer with over 10 years of experience designing, building, and maintaining high-performance, cross-platform mobile applications for iOS and Android. I am proficient in native and hybrid app development using Swift, Kotlin, Flutter, and React Native, and I excel at collaborating with UI/UX teams, QA engineers, and product stakeholders to deliver exceptional results. Throughout my career, I have demonstrated success leading the end-to-end app lifecycle, from ideation to delivery. I bring strong expertise in mobile architecture, RESTful API integration, performance optimization, and deployment to app stores, along with a solid understanding of mobile DevOps, Continuous Integration and Continuous Delivery pipelines, and modern software engineering practices.

Available to hire

I am an accomplished Mobile App Developer with over 10 years of experience designing, building, and maintaining high-performance, cross-platform mobile applications for iOS and Android. I am proficient in native and hybrid app development using Swift, Kotlin, Flutter, and React Native, and I excel at collaborating with UI/UX teams, QA engineers, and product stakeholders to deliver exceptional results.

Throughout my career, I have demonstrated success leading the end-to-end app lifecycle, from ideation to delivery. I bring strong expertise in mobile architecture, RESTful API integration, performance optimization, and deployment to app stores, along with a solid understanding of mobile DevOps, Continuous Integration and Continuous Delivery pipelines, and modern software engineering practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Mobile Engineer at WillowTree

January 1, 2021 - Present

Led design and development of a cross-platform fintech app using Flutter resulting in over 500K downloads and a 4.8 rating on both app stores. Implemented CI/CD pipelines with Fastlane and GitHub Actions that reduced manual deployment effort. Architected the app with MVVM and Clean Architecture for scalability and testability. Integrated Firebase services including Firestore, Analytics, and Crashlytics to enhance data-driven development. Mentored junior developers and collaborated effectively with design, QA, and product teams to drive sprint deliverables.

Mobile App Developer Team Lead at Lyft

January 1, 2021 - August 15, 2025

Developed multiple native iOS and Android apps using Swift and Kotlin supporting millions of global users. Integrated RESTful APIs, Stripe payments, push notifications, and real-time chat functionality. Delivered apps with offline capabilities and biometric authentication (Face ID/Touch ID). Managed releases on the App Store and Google Play in coordination with QA to ensure zero major defects. Improved app performance through memory profiling, thread optimization, and code refactoring.

Mobile Developer at Bluestone Apps

January 1, 2017 - August 15, 2025

Built native and hybrid apps using Java, Objective-C, and React Native for clients in healthcare, retail, and logistics. Participated in Agile development including sprint planning, daily standups, and retrospectives. Integrated third-party SDKs such as Facebook Login, Google Maps, and analytics tools. Conducted unit and UI testing to meet performance and reliability benchmarks. Deployed builds via TestFlight and Firebase App Distribution for QA and stakeholder review.