Onyedikachukwu Joseph Ikezue

ONYEDIKACHUKWU JOSEPH IKEZUE PROFESSIONAL SUMMARY Dynamic and results-driven Flutter Engineer with a proven track record of building high-performance mobile applications using Flutter and Dart. Have built and currently maintain 7+ production applications across Android and iOS, as well as a Flutter-based POS system deployed on dedicated point-of-sale hardware, actively used by millions of customers and processing over $2 million in transactions annually. Skilled in developing responsive, scalable applications with clean, reusable code, leveraging best practices such as Object-Oriented Programming (OOP), Clean Architecture, and advanced state management solutions including BLoC, Provider, Riverpod, and GetX. Holds an Advanced Diploma in Software Engineering with Distinction from Aptech Computer Education in Mumbai. Thrives in collaborative environments that promote innovation, continuous learning, and the delivery of impactful digital experiences. KEY EXPERTISE & CORE ACCOMPLISHMENT Mobile App Development Flutter Framework Dart Programming Api Integration State Management Object-Oriented Programming UI/UX Collaboration Pixel Perfect Design Code Quality Assurance Clean Architecture Cross-Functional Teamwork Responsive UI ●​ Develop and maintain an enterprise-grade cross-platform payment application { SoftPAY Business } with Flutter & Dart, published on App Store & Google Play, enabling governments, organizations, and businesses to seamlessly manage single and bulk payouts, salaries, vendor payments, and large-scale disbursements , processing thousands of secure transactions monthly. ●​ Developed StudentCornr, a cross-platform Flutter application that provides AI-powered study assistance, campus organization tools, and social interaction features for university students. ●​ Developed a mobile HR management solution { SoftSUITE HR } that enables organizations to streamline workforce operations, including geolocation-based clock-in/out, digital payslip generation, and leave/claims processing, improving efficiency and employee self-service across organizations. ●​ Built a secure and scalable inventory management solution { Kashiar } for SMEs using Flutter and Dart , enabling retail outlets to manage and track inventory seamlessly through a web portal and mobile applications (Android & Windows). ●​ Developed SoftPay POS, a cross-platform point-of-sale application with Flutter & Dart, powering dedicated POS hardware devices and enabling merchants to securely process in-person transactions, generate receipts, and track sales in real time. ●​ Successfully developed a Flutter-based mobile application enhancing user connectivity with essential services. ●​ Implemented Clean Architecture principles to ensure maintainability and scalability of applications. ●​ Integrated RESTful and GraphQL APIs to enable real-time data synchronization and enhance app functionality across platforms. ●​ Explored AI-powered solutions such as natural language processing and intelligent recommendations, incorporating them into mobile app features to boost user experience and engagement. ●​ Led and participated in comprehensive code reviews, promoting a culture of code quality, collaboration, and technical excellence. ●​ Worked on integrating AI-based services (e.g., recommendation engines or NLP APIs) to personalize content delivery and improve engagement metrics up to 50% . PROFESSIONAL EXPERIENCE Mobile Software Developer 2025 - Present Soft Alliance & Resources Limited , Lagos | Contract. Soft Alliance is a leading technology and business consulting company with over 20 years of experience, delivering enterprise IT solutions, ERP systems, and digital transformation services to governments, financial institutions, and large enterprises. ●​ Architected SoftPAY Business Mobile Application using Clean Architecture, applying Bloc for state management, Freezed for immutable models, and GetIt for dependency injection. ●​ Integrated the mobile app with RESTful APIs via Dio/Retrofit, ensuring reliable communication with backend services. ●​ Enhanced reliability with real-time transaction tracking, instant settlements, error notifications, and approval workflows, reducing failed transaction handling time by 45%. ●​ Integrated JWT authentication and secure API communication in compliance with PCI-DSS and ISO standards, ensuring secure handling of financial data on the client side. ●​ Implemented the virtual account feature, enabling businesses to receive customer inflows directly into SoftPAY Business as a funding source for seamless payouts and disbursements. ●​ Engineered and published SoftSuiteMobile to App Store and Google Play using Flutter & Dart, ensuring seamless cross-platform performance and compliance with enterprise HR workflows. ●​ Worked closely with HR product managers and designers to translate business requirements into intuitive mobile features, improving adoption of SoftSUITE HR within client organizations. ●​ Implemented Kashiar’s cross-platform modules with Flutter & Dart, delivering a unified codebase for Android, Windows, and web platforms. ●​ Optimized state management and reusable UI components, ensuring scalability and smooth user experience for SMEs managing large product catalogs. ●​ Collaborated with backend engineers and QA to ensure secure communication, device compatibility, and seamless deployment to POS terminals. ●​ Integrated with payment hardware APIs and external services to support card payments on SofPAY POS receipts, and reconciliation workflows. ●​ Integrated RESTful APIs for inventory synchronization, enabling real-time updates across retail outlets. ●​ Improved code quality by writing unit tests to enhance maintainability and ensure high test coverage. ●​ Streamlined deployment workflows using Codemagic for CI/CD, optimizing app release cycles and reducing deployment time. Currently leading the development of multiple government-focused Flutter applications, including a mobile system for the Lagos Waste Management Authority (LAWMA) aimed at improving urban waste management operations and enhancing service delivery for millions of residents. In parallel, I am building the Central Billing System (CBS) application for the Lagos State Traffic Management Authority LASTMA , implementing secure digital invoicing, automated billing workflows, real-time payment tracking, and offline-first transaction support. Both projects leverage Clean architecture, scalable Flutter design patterns, and efficient API integrations to deliver reliable, high-performance solutions for critical public-sector operations. Flutter Mobile Developer 2024 - 2025 Student Cornr - Lagos | Contract. ●​ Developed core features and UI screens using Flutter for StudentCornr , an AI-powered learning and campus social app. ●​ Added real-time features using WebSockets, enabling instant updates, live interactions, and smooth communication between users. ●​ Implemented multi-language localization using Flutter’s L10n, Intl, and ARB files to ensure seamless translation and locale resolution across all screens. ●​ Implemented a scalable routing system using Navigator 2.0 with AutoRoute, enabling clean declarative navigation, nested routes, and deep linking. ●​ Integrated AI APIs for personalized study assistance and smart learning recommendations. Flutter Mobile Developer 2023 - 2024 Knight Angel - Mississippi , USA | Remote. ●​ Developed a Flutter-based mobile application that enhanced user connectivity with people, places, products, and essential services. ●​ Optimized app performance for a smooth and efficient user experience. ●​ Collaborated with the team to refine UI/UX and improve app functionality. ●​ Integrated complex third-party APIs and backend services, handling dynamic data structures, authentication flows, and error recovery to ensure robust, real-time application functionality. ●​ Refactored UI codebase into modular units guided by Interface Segregation and Open/Closed Principles, enhancing testability and speeding up onboarding of new developers. ●​ Developed theme-aware, responsive UI layouts using MediaQuery, Layout Builder , ScreenUtil and custom widgets, providing consistent user experiences across devices and screen sizes. Flutter Engineer 2022 - 2023 Mercurial Technologies - Lagos | Full Time. ●​ Led the development and enhancement of mobile and web applications using Flutter and Dart, focusing on delivering seamless and intuitive user interfaces. ●​ Worked closely with UI/UX designers to translate design concepts into functional, user-friendly applications. ●​ Designed and implemented user interface components, adhering to design specifications and enhancing usability across various devices and platforms. ●​ Refactored legacy API integration logic into a clean, testable service layer, improving maintainability and onboarding speed for new developers. Mobile App Developer 2021 - 2022 Doncept - Lagos | Contract. ●​ Developed an advanced data caching strategy using Hive and SharedPreferences to enable offline functionality and reduce redundant API calls, enhancing performance and user experience. ●​ Implemented token-based authentication and session management with secure storage integration, ensuring data integrity and user security across platforms. ●​ Engineered a modular API integration layer using custom interceptors and advanced error handling to support scalable communication between Flutter apps and multiple backend services, ensuring reliability and performance under varying network conditions. ●​ Refactored legacy state management to Bloc and Riverpod, resulting in 30% cleaner, more maintainable code.​ EDUCATION Advanced Diploma in Software Engineering (Distinction) Aptech Computer Education – Mumbai , 2023 ●​ Emphasis on Object-Oriented Programming, Software Architecture, and Application Development ●​ Gained hands-on experience in building real-world software solutions using modern development tools ●​ Solid foundation in data structures, Algorithms, databases, and full-stack development practices​ SKILLS & ADDITIONAL INFORMATION Technical Skills : Languages : Dart , Java , Swift , Kotlin FrameWork : Flutter , State Management : Bloc , Riverpod , Provider , GetX Tools : Firebase, Git/GitHub , GitLab , VS Code , Android Studio , Figma , Xcode , Postman , GoodDay , Jira, Codemagic , Antigravity , Claude Code Architecture & Practices : Clean Architecture , SOLID Principles , MVC , Agile , MVVM.