Harold C.

I'm a 𝐒𝐞𝐧𝐢𝐨𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 & 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 𝟏𝟑+ 𝐲𝐞𝐚𝐫𝐬 of experience building mobile applications, backend services, and web platforms for startups, SMEs, and enterprise clients. I specialize in developing 𝐧𝐚𝐭𝐢𝐯𝐞 𝐀𝐧𝐝𝐫𝐨𝐢𝐝, 𝐜𝐫𝐨𝐬𝐬-𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, 𝐑𝐄𝐒𝐓𝐟𝐮𝐥 𝐀𝐏𝐈𝐬, and 𝐟𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐰𝐞𝐛 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 that are scalable, maintainable, and ready for production. Whether you need a new application, additional features, backend integration, or long-term maintenance, I can help deliver a reliable solution that aligns with your business objectives. 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 - Native Android Development (Kotlin & Java) - Kotlin Multiplatform (KMP) & Compose Multiplatform (CMP) - React Native Development - Laravel & Node.js Backend Development - REST API Development & Third-Party Integrations - Firebase & AWS Integration - UI Implementation from Figma - App Maintenance, Modernization & Performance Optimization 𝐂𝐨𝐫𝐞 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐌𝐨𝐛𝐢𝐥𝐞: Kotlin, Java, Kotlin Multiplatform, Compose Multiplatform, React Native 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: Vuejs, Reactjs, Svelte 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Laravel, PHP, Node.js, Express.js, Sails.js 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: MySQL, PostgreSQL, MongoDB, SQLite, Room, Realm 𝐂𝐥𝐨𝐮𝐝: Firebase, Amazon Web Services (AWS) 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: MVVM, MVI, MVP, Clean Architecture, Jetpack Compose 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 & 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: Coroutines, RxJava, Hilt, Dagger 2, Retrofit, OkHttp, SQLBrite, Picasso, Glide, Lottie, JUnit, Espresso 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? ✔ 13+ years of professional software development experience ✔ Clean, maintainable, and scalable code ✔ Strong communication and transparent project updates ✔ Performance-focused and production-ready solutions ✔ Long-term support beyond project delivery 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐘𝐨𝐮𝐫 𝐍𝐞𝐱𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭! I believe great software is built through clear communication, well-structured architecture, and high-quality engineering. Let's discuss your project and build something great together.