I will develop merchant apps, digital banking apps, loan apps, bill payment platforms

J
jonthannunes
J
jonthannunes
nunes
develop merchant apps, digital banking apps, loan apps, bill payment platforms
Full Screen
develop merchant apps, digital banking apps, loan apps, bill payment platforms

About this gig

Hello there,


I'm a professional FinTech mobile app developer who helps startups and businesses turn financial ideas into secure, reliable, and easy-to-use mobile apps. I handle the entire development process myself from UI/UX design to frontend, backend, and payment integrations so nothing gets lost in translation.


I build high-performance FinTech apps for Android and iOS, with a strong focus on security, scalability, and real-world usability. Whether you're planning a mobile banking app, crypto wallet, loan app, money transfer app, or any custom FinTech solution, I can help bring it to life.


What I Can Build for Your FinTech Project

Mobile banking & neobank apps

Digital wallet & e-wallet systems

P2P money transfer & remittance apps

Loan & credit management apps

Bill payment platforms (airtime, data, utilities)

Merchant payment apps (POS / softPOS)

Crypto wallets & blockchain-based apps

Admin panels & secure fintech backends


Clean UI & Smooth User Experience

  • Modern, fintech-grade UI design
  • Simple and intuitive user flows
  • Fully responsive Android & iOS interfaces
  • Interactive prototypes before development
  • Smooth navigation and fast performance


Contact me now to get started

  • App type

    • Hybrid

  • Programming language

    • TypeScript
    • React Native
    • Python
    • Java
    • JavaScript
    • HTML
    • Flutter

  • Frameworks

    • Flutter
    • Ionic
    • Beeware
    • NativeScript
    • Angular
    • Node.js
    • React Native

  • Purpose

    • Chat
    • Wallet app

  • Tools

    • Thunkable
    • Xamarin
    • Flutterflow
    • AppSheet
    • Firebase
    • BuildFire
    • Visual Studio

  • Expertise

    • Cross browser/Device compatibility
    • Localization
    • Performance
    • Security
    • Design
    • API integration

Get to know nunes

nunes

fintech app developer

  • FromUnited States
  • Member sinceJan 2026

  • Languages

    German, French, English
Hi, I’m Nunes, a professional full-stack FinTech app developer. I help businesses build secure, scalable financial applications, including digital banking (neobank) apps, payment gateways, merchant POS systems, bill payment platforms, lending and savings apps, remittance solutions, payroll systems, subscription payments, agent banking platforms, and KYC/AML-compliant systems. I deliver complete mobile and web solutions with clean UI, strong security, and reliable performance.

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