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I am Henry Obi, a Flutter and Dart engineer with 6+ years of software development experience and 3+ years of advanced cross-platform mobile development. I have delivered production-grade iOS and Android apps with a strong track record of zero post-release crashes, deep expertise in RESTful API integration, Firebase services, real-time data architectures, and secure-by-design authentication. I thrive in Agile environments and enjoy collaborating with cross-functional teams to turn complex requirements into robust mobile solutions. I am CompTIA Security+ certified and apply secure development lifecycle principles across all projects. I focus on CI/CD automation, testing, performance optimization and mentoring teammates to adopt engineering best practices while delivering reliable, scalable apps.…I am Henry Obi, a Flutter and Dart engineer with 6+ years of software development experience and 3+ years of advanced cross-platform mobile development. I have delivered production-grade iOS and Android apps with a strong track record of zero post-release crashes, deep expertise in RESTful API integration, Firebase services, real-time data architectures, and secure-by-design authentication. I thrive in Agile environments and enjoy collaborating with cross-functional teams to turn complex requirements into robust mobile solutions. I am CompTIA Security+ certified and apply secure development lifecycle principles across all projects. I focus on CI/CD automation, testing, performance optimization and mentoring teammates to adopt engineering best practices while delivering reliable, scalable apps.

Henry Obi

App Developer, Full Stack Developer, Back-End Developer, +2

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I am Henry Obi, a Flutter and Dart engineer with 6+ years of software development experience and 3+ years of advanced cross-platform mobile development. I have delivered production-grade iOS and Android apps with a strong track record of zero post-release crashes, deep expertise in RESTful API integration, Firebase services, real-time data architectures, and secure-by-design authentication. I thrive in Agile environments and enjoy collaborating with cross-functional teams to turn complex requirements into robust mobile solutions. I am CompTIA Security+ certified and apply secure development lifecycle principles across all projects. I focus on CI/CD automation, testing, performance optimization and mentoring teammates to adopt engineering best practices while delivering reliable, scalable apps.…I am Henry Obi, a Flutter and Dart engineer with 6+ years of software development experience and 3+ years of advanced cross-platform mobile development. I have delivered production-grade iOS and Android apps with a strong track record of zero post-release crashes, deep expertise in RESTful API integration, Firebase services, real-time data architectures, and secure-by-design authentication. I thrive in Agile environments and enjoy collaborating with cross-functional teams to turn complex requirements into robust mobile solutions. I am CompTIA Security+ certified and apply secure development lifecycle principles across all projects. I focus on CI/CD automation, testing, performance optimization and mentoring teammates to adopt engineering best practices while delivering reliable, scalable apps.

Available to hire

I am Henry Obi, a Flutter and Dart engineer with 6+ years of software development experience and 3+ years of advanced cross-platform mobile development. I have delivered production-grade iOS and Android apps with a strong track record of zero post-release crashes, deep expertise in RESTful API integration, Firebase services, real-time data architectures, and secure-by-design authentication. I thrive in Agile environments and enjoy collaborating with cross-functional teams to turn complex requirements into robust mobile solutions.

I am CompTIA Security+ certified and apply secure development lifecycle principles across all projects. I focus on CI/CD automation, testing, performance optimization and mentoring teammates to adopt engineering best practices while delivering reliable, scalable apps.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Igbo

Fluent

Work Experience

Flutter Developer at HutDrop

June 1, 2025 - Present

Leading end-to-end Flutter development of two cross-platform apps — merchant and rider — from architecture through App Store and Play Store deployment. Implemented full real-time order lifecycle with asynchronous event-driven architecture. Configured GitHub Actions CI/CD pipelines for automated build, test, and deployment to Google Play and Apple App Stores. Wrote unit and widget tests to validate core business logic and UI state. Engineered OTP authentication and secure handoff verification; integrated live rider tracking with Google Maps. Built robust FCM push notification handling across app states.

Flutter Developer at Random Meditation Bell

October 1, 2024 - January 31, 2025

Revamped app UI and integrated Firebase Realtime Database and Firestore for real-time data storage, CRUD operations and user activity tracking. Fine-tuned Firebase configuration for efficient data synchronization and robust security rules.

Flutter Developer at Behaviour Buddy

May 1, 2024 - June 1, 2025

Led UI/UX design and Flutter development for user and admin interfaces, collaborating with cross-functional stakeholders to deliver pixel-perfect responsive UIs for iOS and Android. Provided technical guidance on architecture patterns and state management, promoting engineering best practices. Applied child-friendly design principles to onboarding, missions and rewards flows to optimise usability.

Flutter Developer at Grasrota

August 1, 2023 - September 30, 2023

Architected robust authentication supporting Apple and Google sign-in; resolved critical login failures. Integrated FCM push notifications for quiz publications and introduced haptic feedback to enhance user experience.

Mobile App Developer at Systicks

April 1, 2023 - Present

Engineered RESTful network layer for a multi-category ticketing platform; delivered zero post-release crashes across 104 installs at first deployment. Implemented secure-by-design payment architecture with an in-app wallet, maintaining 0% crash rate across all payment flows. Delivered a location-aware event discovery feature and organizer management interface; designed accessible, high-performance UI.

Flutter Developer at Corps Rapport Exchange

February 1, 2023 - May 1, 2024

Integrated Firebase services (Firestore, Auth, Analytics) and implemented NFC for secure peer-to-peer information exchange. Configured deep linking and barcode scanning; developed an iOS home screen widget displaying a generated barcode for quick access.

Flutter Developer at Adventures of Muna

April 1, 2022 - July 31, 2022

Designed and implemented full educational app UI from scratch with Firebase Realtime Database, gamified quiz modules and performance tracking.

Flutter Developer / Intern at Customized Native School

August 1, 2020 - December 1, 2021

Built admin panel in Flutter integrating Firebase (Firestore, Storage, Auth) for real-time clothing catalog management with image uploads and input validation.

Java Android Developer Intern at Integrated Development Konsult

August 1, 2018 - January 31, 2019

Enhanced UI elements, built responsive XML layouts, and led code review participation upholding maintainable code standards across the team.