c
crazyfreeman

Vitaly

@crazyfreeman

App Developer

Kanada
Englisch, Ukrainisch, Russisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
I develop real fintech applications with proper backend architecture, not just UI screens. I specialize in payment and wallet systems with ledger-based balances, transaction history, and scalable APIs. I build mobile apps and secure backends, integrate payment gateways (Stripe, PayPal, Wise-ready), and design KYC-ready architectures for future compliance. I focus on clean, production-ready code and honest technical guidance.... Mehr lesen

Kompetenzen

c
crazyfreeman
Vitaly
offline • 

Meine Dienstleistungen

Plattformübergreifende Entwicklung
I will develop a scalable fintech app with wallet and payment backend
Ab800 $ / ProjektWeitere Details
Fehlerbehebung
I will fix stripe payment errors, webhooks, and failed charges
Ab40 $ / ProjektWeitere Details

Arbeitserfahrung

Upwork

Fintech App Developer (Independent)

Upwork • Freiberufler

Jan 2024 - Present • 2 yrs 4 mos

• Designed and developed fintech-ready mobile applications with secure backend services • Built ledger-based wallet and transaction systems • Integrated payment gateways and payout flows • Designed scalable APIs and admin dashboards • Helped founders turn fintech ideas into real, working MVPs