
Chukwuemeka Nnajiofor Okwor
Flutter Developer | Azure & Networking
Salaire / Taux journalier
Lagos, État de Lagos, Nigeria
Freelance
Expertises
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À propos
Introduction
Flutter developer with 3+ years building high-performance mobile apps achieving 99.8% uptime. Expert in BLoC architecture, API integration (50+ endpoints), and performance optimization—reduced crashes by 40% and load times by 30%. Specialized in pixel-perfect UI development and scalable app architecture for startups and enterprises.
Expérience de travail
Flutter Developer
CYBERSWITCH LTD
févr. 2025 - août 2025
7 mois
Lagos, État de Lagos, Nigeria
• Led end-to-end development of the CyberSwitch Flutter application, implementing BLoC architecture for scalable state management and maintainable code. • Integrated 50+ RESTful API endpoints in collaboration with backend teams, optimizing data flow, error handling, and network performance. • Partnered with 2 UI/UX designers and a project manager to convert Figma/Sketch prototypes into pixel-perfect, responsive Flutter UIs—cutting design-to-development handoff time by 50%.
Flutter Developer
Cardio Autotech
avr. 2024 - déc. 2024
9 mois
Lagos, État de Lagos, Nigeria
Deployed & maintained the Cardio app on Play Store & App Store, achieving 99.8% uptime (6-month monitoring) with rigorous testing and updates. • Debugged & optimized performance bottlenecks, reducing crashes by 40%. • Expanded app functionality by integrating RESTful & GraphQL APIs.
Flutter Developer
Teachally
nov. 2023 - janv. 2024
3 mois
Lagos, État de Lagos, Nigeria
I was tasked with the migration of Teachally's entire codebase. The completion of this task involved the following: • Migration of the code base from flutter v3.0.3 to flutter v 3.16.2. • Migration of the code base to null-safety
Flutter Developer
Nubiaville Ltd
mars 2023 - déc. 2023
10 mois
Lagos, État de Lagos, Nigeria
• Optimized performance: Reduced app load time by 30%+ by refining widget trees, minimizing state rebuilds, and leveraging efficient state management. • Scalable architecture: Implemented BLoC pattern in 2+ large-scale apps, improving code maintainability by 40% and reducing bug resolution time. • Clean & testable code: Enforced Clean Architecture principles, enabling seamless scalability, modular testing, and streamlined team collaboration. • Robust API integration: Integrated 15+ RESTful APIs with 100% error-handling coverage (Dio), ensuring flawless data flow and user experience. • Enhanced speed: Cut API response time by 25% via strategic caching (Hive) and optimized network call management. • Precision UI development: Delivered 50+ pixel-perfect screens from Figma designs, achieving 99% UI consistency and reducing design-review cycles. • Performance-first mindset: Slashed widget rebuilds by 50% through widespread use of const constructors and stateless widgets
Undergraduate Intern
KPMG Nigeria
août 2022 - déc. 2022
5 mois
Lagos, État de Lagos, Nigeria
• I shadowed personnel to learn appropriate methods troubleshooting technical problems. • I carried out research and created power point presentations. • I learned and documented the certifications levels in the accounting ecosystem
Formation
University of Nigeria, Nsukka
Bachelor of Engineering - BE
2018 - 2024
6 ans 1 mois