I'm Top Rated Freelancer at Upwork. I do cross-platform mobile development to help startups move fast and build with confidence.
A mobile healthcare app developed for Rumah Sakit Roemani in Semarang. The app allows patients to register for appointments, view their medical results, and explore hospital services.
A mobile application designed to control and monitor EV car charging sessions remotely. Built with Flutter for cross-platform support, the app allows users to start, stop, pause, and monitor their charging process directly from their smartphones.
A multi-vendor e-commerce app tailored for the Arab market. Built using Flutter, it enables merchants to manage their stores and customers to browse and purchase products easily.
CEO, Peregine LLC.
"Alvin is a skilled and efficient software developer who provided excellent results, communication, and time management. He completed the projects much faster than I expected. His time management skills were great, and he kept me updated throughout the process, making sure I was informed of any progress or potential issues. "
Co-Founder, Amanahfy Ltd.
"Great working with Alvin - a real asset to the team and his work was of high quality. We would love to work with him again in the future."
UI/UX Designer
"Alvin performs his tasks excellently, showcasing excellent communication skills. He provides valuable suggestions that greatly facilitate our development process, demonstrating extensive knowledge in his field. We greatly appreciate his assistance in our project and hope to collaborate with him again in the future."
Startup Founder
"Thank you, Alvin, It was great working together, We completed many milestones. And we completely redesigned the app and made it a completely unique and useful experience for users"
Key Principal, Appy Future Pty. Ltd.
"Alvin is excellent in what he does. Highly recommended. Thanks Alvin for your great work!!"
CEO, KPH Group
"Very nice man ..job done quickly and willing to change to meet the task . Good attitude..will keep using him"
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