Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm Miracle Samuel, a mobile Flutter engineer with 5+ years building and scaling cross-platform mobile apps, including high-impact ed-tech and health-tech products. I'm expert in Flutter, Dart, native Android (Kotlin), and backend integration. I deliver apps to thousands of active users, boost engagement by 13% through gamification, and developed a secure in-house DRM system for video content protection. I am skilled in API integration, custom Flutter plugins, analytics & crash monitoring, security & cryptography, payment systems, and AdMob monetization. I am adept at end-to-end development, from app architecture to backend services and deployment to stores and the cloud.…I'm Miracle Samuel, a mobile Flutter engineer with 5+ years building and scaling cross-platform mobile apps, including high-impact ed-tech and health-tech products. I'm expert in Flutter, Dart, native Android (Kotlin), and backend integration. I deliver apps to thousands of active users, boost engagement by 13% through gamification, and developed a secure in-house DRM system for video content protection. I am skilled in API integration, custom Flutter plugins, analytics & crash monitoring, security & cryptography, payment systems, and AdMob monetization. I am adept at end-to-end development, from app architecture to backend services and deployment to stores and the cloud.

Miracle Samuel

Developer, Programmer, Project Manager, +4





I'm Miracle Samuel, a mobile Flutter engineer with 5+ years building and scaling cross-platform mobile apps, including high-impact ed-tech and health-tech products. I'm expert in Flutter, Dart, native Android (Kotlin), and backend integration. I deliver apps to thousands of active users, boost engagement by 13% through gamification, and developed a secure in-house DRM system for video content protection. I am skilled in API integration, custom Flutter plugins, analytics & crash monitoring, security & cryptography, payment systems, and AdMob monetization. I am adept at end-to-end development, from app architecture to backend services and deployment to stores and the cloud.…I'm Miracle Samuel, a mobile Flutter engineer with 5+ years building and scaling cross-platform mobile apps, including high-impact ed-tech and health-tech products. I'm expert in Flutter, Dart, native Android (Kotlin), and backend integration. I deliver apps to thousands of active users, boost engagement by 13% through gamification, and developed a secure in-house DRM system for video content protection. I am skilled in API integration, custom Flutter plugins, analytics & crash monitoring, security & cryptography, payment systems, and AdMob monetization. I am adept at end-to-end development, from app architecture to backend services and deployment to stores and the cloud.

Available to hire

I’m Miracle Samuel, a mobile Flutter engineer with 5+ years building and scaling cross-platform mobile apps, including high-impact ed-tech and health-tech products.

I’m expert in Flutter, Dart, native Android (Kotlin), and backend integration. I deliver apps to thousands of active users, boost engagement by 13% through gamification, and developed a secure in-house DRM system for video content protection. I am skilled in API integration, custom Flutter plugins, analytics & crash monitoring, security & cryptography, payment systems, and AdMob monetization. I am adept at end-to-end development, from app architecture to backend services and deployment to stores and the cloud.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Co-founder & CTO at StudySmart Tutorials, LTD.

August 1, 2021 - Present

Spearheaded the development and scaling of an education platform serving thousands of users. Developed cross-platform iOS and Android apps with Flutter, implementing robust state management, native video players, social-media-style chat, and payment integrations. Engineered backend video processing services supporting multi-resolution uploads and streaming. Enhanced existing Flutter plugins and built custom plugins using Kotlin and Dart to meet specific product requirements.

Software Product Manager at SONOCARE HEALTHCARE, INC

March 1, 2019 - August 7, 2025

Led design, development, and deployment of mobile and web healthcare applications. Built scalable backend systems using Node.js, Express, and TypeScript with a focus on high performance and reliability. Collaborated with stakeholders to define requirements leading to successful project delivery and high client satisfaction.

Freelance Software Developer

March 1, 2017 - Present

Designed and deployed several high-performance mobile and web applications featuring responsive interfaces and seamless functionality. Integrated third-party APIs and implemented efficient, scalable backend architectures.

Co-founder & CTO at StudySmart Tutorials, LTD.

August 1, 2020 - November 5, 2025

Designed, developed, and scaled an ed-tech iOS & Android platform using Flutter, serving thousands of active users. Integrated AdMob ads and built an in-app currency & rewards system, improving engagement by 13%. Built a secure custom DRM system to protect video content, enabling cost savings when studio DRM was unaffordable. Developed quizzes, chat system, and native video player with robust state management across 10+ screens. Integrated 6+ third-party APIs and Firebase services for payments, social features, and analytics. Extended and customized Flutter plugins, created a native Kotlin–Flutter plugin for platform-specific needs. Implemented advanced app monitoring by integrating Google Analytics and Firebase Crashlytics, alongside a custom logging & insight system, enabling data-driven improvements and reducing crash rates by 6%. Implemented Play Integrity, App Attest, and Keystore for robust mobile content protection, as part of a custom DRM system. Customized a Rust cryptograph

CTO (contract) at SONOCARE HEALTHCARE, INC

March 1, 2019 - March 1, 2019

Led the design and deployment of mobile and web applications for healthcare services. Developed scalable backend architecture with Node.js, Express, and TypeScript. Delivered robust REST APIs and high-performance UI for patient and provider access.

Software Developer at Freelance / Side Projects

March 1, 2017 - November 5, 2025

Developed and deployed multiple mobile and web applications across industries. Built API-driven apps with secure authentication and offline-first features.