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Hi, I'm Williams Chigozie Iwuoha, a mobile app developer based in Lagos, Nigeria. I specialize in building high-performance cross-platform apps using Flutter and Dart, delivering polished user experiences across iOS and Android.\n\nI enjoy turning complex requirements into clean, scalable architectures, integrating RESTful APIs, Firebase, and other services, while staying focused on performance and quality. I thrive in collaborative teams and love staying on top of evolving mobile technologies.…Hi, I'm Williams Chigozie Iwuoha, a mobile app developer based in Lagos, Nigeria. I specialize in building high-performance cross-platform apps using Flutter and Dart, delivering polished user experiences across iOS and Android.\n\nI enjoy turning complex requirements into clean, scalable architectures, integrating RESTful APIs, Firebase, and other services, while staying focused on performance and quality. I thrive in collaborative teams and love staying on top of evolving mobile technologies.

Williams Chigozie Iwuoha

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Hi, I'm Williams Chigozie Iwuoha, a mobile app developer based in Lagos, Nigeria. I specialize in building high-performance cross-platform apps using Flutter and Dart, delivering polished user experiences across iOS and Android.\n\nI enjoy turning complex requirements into clean, scalable architectures, integrating RESTful APIs, Firebase, and other services, while staying focused on performance and quality. I thrive in collaborative teams and love staying on top of evolving mobile technologies.…Hi, I'm Williams Chigozie Iwuoha, a mobile app developer based in Lagos, Nigeria. I specialize in building high-performance cross-platform apps using Flutter and Dart, delivering polished user experiences across iOS and Android.\n\nI enjoy turning complex requirements into clean, scalable architectures, integrating RESTful APIs, Firebase, and other services, while staying focused on performance and quality. I thrive in collaborative teams and love staying on top of evolving mobile technologies.

Available to hire

Hi, I’m Williams Chigozie Iwuoha, a mobile app developer based in Lagos, Nigeria. I specialize in building high-performance cross-platform apps using Flutter and Dart, delivering polished user experiences across iOS and Android.\n\nI enjoy turning complex requirements into clean, scalable architectures, integrating RESTful APIs, Firebase, and other services, while staying focused on performance and quality. I thrive in collaborative teams and love staying on top of evolving mobile technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Flutter Mobile Developer at MyLibri Books

February 1, 2024 - Present

Developed and deployed upgraded features for both Android and iOS mobile applications, leveraging the Flutter framework to ensure seamless cross-platform functionality. Designed and implemented innovative app features based on product specifications, aligning with client requirements and market trends. Collaborated closely with product managers, UI/UX designers, and QA teams to translate enhancement requirements into actionable technical solutions. Played a key role in agile sprints, delivering enhancements ahead of schedule with a 95% on-time release rate. Stayed abreast of emerging technologies and industry best practices, integrating innovative solutions that enhanced app functionality and drove a 25% improvement in user experience metrics.

Flutter Developer at Gate Africa

May 1, 2023 - Present

Orchestrated the end-to-end development of Gate Africa's mobile app, incorporating access control features, dues management functionalities, and emergency services features. Implemented a comprehensive user experience strategy, contributing to increased user engagement and retention. Defined and executed a roadmap for the app development journey, ensuring timely delivery and alignment with Gate Africa's vision for an efficient estate management solution.

Flutter Developer at LoadNG

August 1, 2024 - September 20, 2025

Developed and implemented a real-time cryptocurrency exchange feature, increasing transaction speed and enhancing user experience. Collaborated with product team to integrate USD support for transactions, improving accessibility for Nigerian users. Enhanced app security with encryption protocols and conducted performance optimizations resulting in reduced loading times and higher user retention.

Flutter Developer at Cardify Africa

August 1, 2024 - September 20, 2025

Developed cross-platform mobile applications using Flutter, implementing fintech solutions that enhanced user engagement and transaction efficiency within Cardify Africa's digital wallet ecosystem. Collaborated with design to implement UI/UX improvements, conducted regular user testing, and contributed to integration of NFC for contactless payments.

Flutter Developer at SaverTech Limited

August 1, 2024 - September 20, 2025

Collaborated with stakeholders to implement customized app features tailored to client needs, driving product differentiation. Partnered with UI/UX designers, project managers, and backend developers to align app functionality with user-centric design principles. Achieved a 40% reduction in app crash rates by identifying and resolving critical bugs and memory leaks. Integrated third-party APIs such as payment gateways, location services, and social media platforms to enhance app utility and user experience. Mentored interns to boost project efficiency and quality.

Google Summer of Code External Contributor at Liquid Galaxy, Spain

August 1, 2023 - September 20, 2025

Supported key contributors in testing and reviewing Flutter-based applications designed for the Liquid Galaxy multi-screen display system, ensuring functionality and performance alignment with project standards. Contributed to the Agro Robot Swarm dashboard on the Liquid Galaxy platform. Engaged in remote team collaboration, participating in weekly project meetings to discuss progress and provide actionable insights.

Flutter Developer Intern at Skillup Africa

December 1, 2022 - September 20, 2025

Developed and implemented user-friendly mobile applications using the Flutter framework during the internship. Collaborated with a team of developers to troubleshoot and resolve technical issues, ensuring seamless functionality across devices. Conducted performance optimization tasks to enhance app speed and responsiveness, contributing to overall app performance improvements.