f
flowhaus_

Macho

@flowhaus_

App Developer building fintech payment and wallet apps for Android iOS

United Kingdom
English, Spanish, French, German, Italian
About me
I build mobile and web apps that turn ideas into working products, for Android, iOS, and cross-platform. I specialize in fintech app, online payment app, wallet app, p2p money transfer, cash app style, and escrow app development, along with general mobile app dev for startups in any industry. Services include UI/UX design, Firebase/API integration, and secure, scalable architecture. Clear communication, on-time delivery, and post-launch support. Message me with your app idea and let's build it right.... Read more

Skills

f
flowhaus_
Macho
Offline • 
Average response time: 13 hours

See my services

Cross-Platform Development
I will develop fintech app, online payment app, p2p wallet app, escrow, android ios app
From$100 / projectMore details
App Design
I will design figma saas app dashboard admin panel ui ux wireframe prototype app design
From$80 / projectMore details

Work experience

Upwork

App Developer

Upwork

Jan 2025 - Apr 2026 • 1 yr 3 mos

Delivered custom mobile and web applications for clients sourced through Upwork, specializing in cross-platform development using Flutter, FlutterFlow, and React Native. Built and shipped apps across fintech, e-commerce, and service industries, including payment and wallet apps, p2p transfer systems, and admin dashboards. Key achievements: Developed 10+ mobile apps from concept to deployment on iOS and Android Built secure payment and wallet integrations (Stripe, Firebase, REST APIs) Designed and implemented user authentication, KYC flows, and transaction systems for fintech clients Maintained 100% on-time delivery and strong client satisfaction across projects Collaborated directly with startup founders to turn ideas into functional MVPs