EMMANUEL JOHN

Full-Stack Web Developer & Designer

Aug 2026 - Present • 0 mos

Worked as a Full-Stack Web Developer and Designer supporting businesses with website development, UI/UX design, technical updates, and custom SaaS implementations. Built and maintained responsive, high-performance websites and web applications across WordPress and modern full-stack technologies. Collaborated independently with clients, translated requirements into practical solutions, troubleshot technical issues, implemented new features, and handled ongoing website maintenance and optimization. Key responsibilities included: • WordPress website development, customization, and maintenance • Responsive web design and UI/UX implementation • Custom website and SaaS application development • Frontend development with React, Next.js, JavaScript, TypeScript, and Tailwind CSS • Backend development with Node.js, Express.js, Supabase, Firebase, and PostgreSQL • API integration, authentication, database configuration, and third-party integrations • Website performance, SEO, technical troubleshooting, and bug fixing • SaaS MVP development and feature implementation • Website redesigns, design updates, and mobile optimization • Independent project execution, problem-solving, and clear client communication

Android Developer | Bluetooth & BLE | Android App Deployment

Aug 2026 - Present • 0 mos

Worked as an Android Developer maintaining, upgrading, testing, and deploying production Android applications. Specialized in Android SDK upgrades, Bluetooth/BLE connectivity, runtime permissions, compatibility fixes, and Google Play production releases. Key responsibilities included: • Upgrading existing Android applications to newer Android SDK and API levels • Updating compileSdk, targetSdk, Gradle, Android Gradle Plugin, Kotlin/Java, and dependencies • Resolving deprecated APIs and Android compatibility issues • Implementing and reviewing Bluetooth and Bluetooth Low Energy (BLE) functionality • Handling Android Bluetooth runtime permissions and permission flows • Testing Bluetooth device discovery, pairing, connection, reconnection, and data transmission • Maintaining compatibility across Android versions • Testing Firebase integrations and production application functionality • Building signed Android App Bundles (AAB) for production releases • Managing version codes and version names • Preparing and publishing Android applications through Google Play Console • Using Git and GitHub for source-code management and production updates • Troubleshooting build errors, API compatibility issues, and Google Play technical requirements • Testing existing production applications before and after major Android platform updates

Wix Web Developer | Responsive Design & Website Fixes

Aug 2026 - Present • 0 mos

Worked as a Wix Web Developer helping clients fix, customize, and optimize Wix websites for a clean, professional, and responsive user experience. Specialized in Wix website customization, responsive layouts, header design, mobile optimization, troubleshooting, and website testing across different screen sizes. Key responsibilities included: • Diagnosing and fixing Wix website layout and header issues • Customizing Wix headers and navigation layouts • Improving responsive behavior across desktop, tablet, and mobile devices • Adjusting spacing, alignment, typography, navigation, and visual elements • Optimizing website layouts for different screen sizes • Troubleshooting Wix design and functionality issues • Improving UI/UX and creating cleaner website interfaces • Testing websites across different devices and screen sizes • Performing website updates, maintenance, and design improvements • Ensuring consistent and professional visual presentation • Identifying responsive design issues and implementing practical solutions • Communicating clearly with clients and delivering website fixes efficiently