
John D
App, Web Developer
Competenze

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Esperienza lavorativa
FinTech & Mobile App Developer
Freelancing Career
Dec 2021 - Present • 4 yrs 7 mos
Design and develop secure fintech applications for startups, financial institutions, and digital businesses. Build crypto wallet apps, payment platforms, neobank solutions, money transfer applications, and financial management systems with secure authentication, API integrations, payment gateways, and scalable cloud-based architectures. Support clients from product planning through deployment while focusing on security, compliance, and user experience.
No-Code App & SaaS Developer
Self Employed
Jun 2021 - Present • 5 yrs 1 mo
Develop custom web and mobile applications using Bubble.io, Flutter Flow, and other leading no-code platforms. Build MVPs, SaaS applications, customer portals, internal business tools, marketplaces, and automation solutions that help startups validate ideas and launch products quickly. Deliver responsive, scalable applications with API integrations, database design, workflows, and modern user interfaces.
Cross-Platform Application & MVP Specialist
Freelance Web Designer
Mar 2021 - Present • 5 yrs 4 mos
Help entrepreneurs and growing businesses transform product ideas into functional web and mobile applications. Specialize in FlutterFlow, Bubble.io, Adalo, and hybrid app development while integrating third-party APIs, authentication systems, payment solutions, cloud databases, and automation tools. Deliver production-ready MVPs that prioritize scalability, performance, and long-term business growth.