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I’m David, a mobile engineer with 4+ years of progressive experience designing and engineering scalable, high-performance enterprise mobile architectures. I specialize in building secure, maintainable, and offline-capable Flutter and Dart solutions, with strong experience delivering smooth feature implementation through optimization, testing, and production deployments. I’ve worked across mobile UI and backend/API integrations, implementing real-time systems and integrating services like Firebase (including FCM) and databases such as PostgreSQL and MongoDB. I enjoy evolving codebase architecture for long-term performance and reliability while building reusable components and secure payment and transaction flows for real-world applications.…I’m David, a mobile engineer with 4+ years of progressive experience designing and engineering scalable, high-performance enterprise mobile architectures. I specialize in building secure, maintainable, and offline-capable Flutter and Dart solutions, with strong experience delivering smooth feature implementation through optimization, testing, and production deployments. I’ve worked across mobile UI and backend/API integrations, implementing real-time systems and integrating services like Firebase (including FCM) and databases such as PostgreSQL and MongoDB. I enjoy evolving codebase architecture for long-term performance and reliability while building reusable components and secure payment and transaction flows for real-world applications.

David Nwabuzor

App Developer, Software Engineer, Full Stack Developer, +1

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I’m David, a mobile engineer with 4+ years of progressive experience designing and engineering scalable, high-performance enterprise mobile architectures. I specialize in building secure, maintainable, and offline-capable Flutter and Dart solutions, with strong experience delivering smooth feature implementation through optimization, testing, and production deployments. I’ve worked across mobile UI and backend/API integrations, implementing real-time systems and integrating services like Firebase (including FCM) and databases such as PostgreSQL and MongoDB. I enjoy evolving codebase architecture for long-term performance and reliability while building reusable components and secure payment and transaction flows for real-world applications.…I’m David, a mobile engineer with 4+ years of progressive experience designing and engineering scalable, high-performance enterprise mobile architectures. I specialize in building secure, maintainable, and offline-capable Flutter and Dart solutions, with strong experience delivering smooth feature implementation through optimization, testing, and production deployments. I’ve worked across mobile UI and backend/API integrations, implementing real-time systems and integrating services like Firebase (including FCM) and databases such as PostgreSQL and MongoDB. I enjoy evolving codebase architecture for long-term performance and reliability while building reusable components and secure payment and transaction flows for real-world applications.

Available to hire

I’m David, a mobile engineer with 4+ years of progressive experience designing and engineering scalable, high-performance enterprise mobile architectures. I specialize in building secure, maintainable, and offline-capable Flutter and Dart solutions, with strong experience delivering smooth feature implementation through optimization, testing, and production deployments.

I’ve worked across mobile UI and backend/API integrations, implementing real-time systems and integrating services like Firebase (including FCM) and databases such as PostgreSQL and MongoDB. I enjoy evolving codebase architecture for long-term performance and reliability while building reusable components and secure payment and transaction flows for real-world applications.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Lead Mobile Engineer at VENBRINODEVS

January 1, 2024 - January 1, 2026

Collaborated heavily with backend engineers using Postman to map multi-layered endpoint structures. Worked on Flex2 Ride (Ride-hailing & delivery platform), integrating secure digital payment workflows including cryptocurrency payment capabilities and enabling users to complete transactions through alternative payment methods. Implemented enterprise-standard scalable Flutter features while maintaining responsive UI, reusable components, and consistent application architecture across the mobile codebase. Contributed to implementing escrow-based transaction flows to support secure handling of funds between customers and service providers.

Lead Mobile Engineer at VEnbrino Devs

January 1, 2024 - January 1, 2026

Collaborated with backend engineers using Postman and mapped multi-layered endpoint structures. Worked on Flex2Ride—an end-to-end ride-hailing and delivery platform—integrating secure digital payment workflows including cryptocurrency payment capabilities and supporting alternative transaction methods. Implemented enterprise-grade scalable Flutter features while maintaining a responsive UI, reusable components, and consistent application architecture across the mobile codebase. Contributed to escrow-based transaction flows for secure fund handling between customers and service providers.

Mobile Engineer at SOFTC0DE INNOVATIONS

January 1, 2023 - January 1, 2024

Built and integrated a large-scale product search experience for Nairya (classified e-commerce platform), optimizing product discovery and navigation for faster, more intuitive interactions across the e-commerce platform. Collaborated closely with the engineering team to design and implement responsive, interactive Flutter interfaces from scratch for both customer and merchant applications, delivering feature-rich and consistent user experiences. Implemented a product comparison feature enabling users to evaluate multiple products side-by-side to identify the best-value options for their needs.

Mobile Engineer at Softcode Innovations

January 1, 2023 - January 1, 2024

Built and integrated a large-scale product search experience for NAIYA—an e-commerce platform—optimizing product discovery and navigation for faster, more intuitive interactions. Partnered with engineering teams to design and implement responsive, interactive Flutter interfaces from scratch across both customer and merchant applications, delivering feature-rich and consistent experiences. Implemented product comparison features so users could evaluate multiple products side-by-side and identify best-value options for their needs.

Mobile Developer Trainee at KO DEHAUZ

January 1, 2022 - January 1, 2023

Successfully built and published 3 small-scale baseline application utilities to master cross-platform mobile architecture practices. Collaborated with other developers to build and refine mobile application screens while maintaining consistency across UI components and user flows.

Mobile Developer Trainee at Kodehba(u)z

January 1, 2022 - January 1, 2023

Built and published three small-scale baseline utility applications to practice end-to-end mastery of cross-platform architecture. Collaborated with other developers to build and refine mobile application screens while maintaining consistency across UI components and user flows.