I will develop a secure fintech app, crypto wallet app, payment app, blockchain payment

J
jemi_kham
J
jemi_kham
Jemi Kham
develop a secure fintech app, crypto wallet app, payment app, blockchain payment
Full Screen
develop a secure fintech app, crypto wallet app, payment app, blockchain payment

About this gig

Are you planning to build a FinTech startup, crypto wallet, neobank, payment gateway, or digital banking platform? You're in the right place. I specialize in developing secure, scalable, and high-performance fintech applications tailored to your business goalsnot generic templates or clone scripts.


With over 10 years of professional experience, I build custom fintech solutions including digital wallets, custodial and non custodial wallet systems, payment processing, crypto integrations, ledger architecture, admin dashboards, transaction management, and compliance ready infrastructure. Every solution is designed with security, speed, and scalability at its core.


Services include:

  • Secure authentication & user management
  • Wallet & ledger systems
  • Send/Receive payments & transaction history
  • KYC/KYB integration
  • Crypto wallet integration (ERC20, BEP20 & more)
  • Payment gateway & API integration
  • Admin dashboard & reporting
  • Cloud deployment & ongoing support


Contact me before ordering to discuss your project requirements, architecture, and security needs.

  • App type

    • Hybrid

  • Programming language

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

  • Frameworks

    • Flutter
    • Ionic
    • SwiftUI
    • Jetpack Compose Multiplatform
    • Node.js
    • React Native

  • Purpose

    • Finance
    • Crypto
    • Custom
    • Ecommerce
    • Trading
    • Wallet app

  • Tools

    • Flutterflow
    • AppSheet
    • Xcode
    • Firebase
    • Visual Studio Code
    • Visual Studio
    • Supabase

  • Expertise

    • Performance
    • Security
    • Data storage
    • Instant App/App Clip
    • API integration

Get to know Jemi Kham

Jemi Kham

Cryptocurrency Payment Solutions Architect

  • FromUnited States
  • Member sinceJul 2026
  • Avg. response time1 hour

  • Languages

    English
Hi, I’m Jemi Kham, a 10+ years professional specializing in cryptocurrency payments, blockchain solutions, and digital finance. I help businesses and individuals integrate secure, fast, and reliable crypto payment systems that simplify global transactions. My expertise includes wallet integration, payment gateways, blockchain technology, security best practices, and user-focused financial solutions. Passionate about innovation, I deliver scalable, efficient, and trusted crypto payment experiences that drive growth and make digital payments seamless worldwide.

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