Esivue Daniel

A Senior Mobile App Developer(Flutter) with 6+ years of experience in developing and maintaining high-quality, scalable, and responsive iOS and Android applications. Strong knowledge of UI/UX principles, state management, and architectural patterns, with an incredible ability to lead and complete project timely. Proven record of apps built in A.I, FinTech, E-Commerce, EdTech, AgricTech, HealthTech, Social

Networking/Social Media,

Senior Mobile Engineer - CWG PLC - Lagos, Nigeria

(2022-07)

• Developed and deployed secure FinTech and escrow apps.
• Created a middleware encryption system to encrypt securely and decrypt API payloads and responses in transit, thereby reducing vulnerability exposure by 95%.
• Integrated services for push notification, Crashlytics, and Google Analytics to enable real-time communication and provide insight into app usage.
• Built a custom Flutter package for asynchronous loaders, downloaded by 500+ developers on Pub.dev.
• Led mobile code reviews, provided mentorship, and technical support to 2 developers.

Senior Flutter Developer - PLAYASIA - Hong Kong, China

(2024-12 - 2025-10)

• Collaborated with team from Ukraine, Greece, Poland, the Philippines, and Germany to build a social networking app for the gaming retail sector.
• Implemented Agentic AI and added haptic feedback to improve user experience interaction.
• Built a comprehensive Widgetbook to manage and test reusable UI components in isolation.
• Integrated remote debugging tools for real-time error tracking in production.
• Wrote unit tests for app modules to increase codebase reliability.

Lead Flutter Developer - DATAINFOSEC - Lagos, Nigeria

(2022-12 - 2024-12)

• Took ownership of end-to-end implementation of EdTech parent & school app features.
• Collaborated with team members to ensure effective delivery of mobile features.
• Optimized app performance through code profiling, API pagination, and caching.
• Implemented an encryption system to secure sensitive user and school data.

Senior Flutter Developer - JUPITA - Middletown, USA

(2023-04 - 2024-02)

• Built and deployed a Locum jobs marketplace app for UK professionals.
• Developed and deployed a fully functional Fintech app.
• Converted UI designs into responsive app screens with smooth animations and API integrations.
• Implemented biometric authentication, app session timeout, and real-time geolocation filters.
• Integrated Google Places Autocomplete, WebSockets, Firebase, maps, and payment gateways.
• Automated CI/CD pipelines using GitHub Actions and Firebase App Distribution.

Lead Flutter Developer - SCELLOO - Lagos, Nigeria

(2021-07 - 2022-12)

• Led a mobile engineering team of two developers.
• Designed mobile architecture and selected technologies to meet product goals.
• Built cross-platform Flutter applications with custom UI, smooth animations, and APIs.
• Implemented WebSockets, Firebase services, and Google Maps integrations.

Flutter Developer and Consultant - EVET INC - Lagos, Nigeria

(2022-05 - 2022-08)

• Developed the Agrocist AI-driven AgricTech mobile app.
• Integrated TensorFlow Lite models for plant and livestock disease detection.
• Implemented WebSockets, Firebase, Google Maps, and Paystack payments.
• Deployed app to the Play Store and delivered ongoing technical improvements.

Android Developer - CLOUDWARE TECHNOLOGIES - Ibadan, Nigeria

(2020-03 - 2021-03)

• Developed four native Android applications using Java.
• Released production-ready apps to the Google Play Store.

Android Developer - DERMA CONSULTING - Ibadan, Nigeria

(2019-02 - 2020)

• Built an AI-powered dermatology Android app using deep-learning models to detect skin infections in real time.

Bachelor of Science (B.Sc.) - Agricultural and Environmental Engineering - University of Ibadan (2014 - 2019)

Google Associate Android Developer - Google Africa Developers Scholarship (2018 - 2019)