Open to opportunities

Winc Leo

@wincleo

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Proactive Senior iOS/TvOS Engineer with 13 years of experience.

United Kingdom

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What I'm looking for

I am looking for a role that fosters innovation, collaboration, and offers opportunities for professional growth.

I am a proactive and energetic Senior iOS/TvOS Engineer with over 13 years of experience in delivering scalable and innovative mobile solutions to millions of users worldwide. My expertise lies in improving user retention and engagement metrics, having successfully reduced crash rates by 40% and boosted user retention by 25% through impactful feature development.

Throughout my career, I have demonstrated a strong commitment to clean architecture principles, such as MVVM and SOLID, which have enabled me to maintain scalable and easy-to-maintain codebases. I have a proven track record in automating CI/CD pipelines, significantly reducing deployment times and increasing release frequency. My leadership experience includes mentoring cross-functional Agile teams, resulting in improved code quality and reduced bug-related delays.

Experience

Work history, roles, and key accomplishments

Current

Senior Lead iOS Engineer

Current

Deltatre

May 2022 - Present (3 years 1 month)

Proactive Senior iOS/TvOS Engineer leading the development of high-performance mobile applications for gaming and sports entertainment. Achieved significant improvements in app stability and deployment efficiency through automation and clean architecture principles.

Swift SwiftUI Objective C Agile Firebase GitHub Actions MVVM

Senior iOS Engineer

Majid Al Futtaim

Mar 2019 - May 2022 (3 years 2 months)

Led the development of the Carrefour App, focusing on TDD and CI/CD processes. Improved user engagement through personalized content and enhanced app reliability with rigorous testing and analytics integrations.

Swift Objective C TDD CI CD Firebase GraphQL Agile

Senior Full Stack iOS Engineer

Abu Dhabi Ports

Feb 2018 - Mar 2018 (1 month)

Led the Card Reader Project, enhancing user authentication security. Streamlined CI/CD processes and improved application quality through comprehensive testing and documentation.

Swift Objective C CI CD SSL Pinning Agile Test Automation Firebase MVVM

Senior iOS Engineer & BackEnd Engineer

Trolley.ae

Oct 2016 - Nov 2017 (1 year 1 month)

Developed mobile applications focusing on online delivery and user engagement features. Ensured high code quality through TDD and managed secure payment integrations.

Swift Objective C TDD Fastlane Realm MVVM

Senior iOS Engineer

ARS Traffic & Transport Technology

Apr 2014 - Sep 2016 (2 years 5 months)

Led software design and prototyping for scalable mobile applications. Integrated offline features and RESTful services to enhance user experience and data security.

Swift Objective C RESTful Services MVC MVVM Test Automation Google Maps JSON

iOS Developer

Solutino Pte Ltd

Jan 2011 - Apr 2014 (3 years 3 months)

Developed and maintained multiple iOS applications, ensuring high performance and user satisfaction. Focused on data synchronization and user interface design.