I will develop a secure fintech backend with node js

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walex4live1
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walex4live1
Adewale
develop a secure fintech backend with node js
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develop a secure fintech backend with node js
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develop a secure fintech backend with node jsdevelop a secure fintech backend with node jsdevelop a secure fintech backend with node js

About this gig

Need a secure and scalable backend for your fintech or payment application?

I specialize in developing high-performance fintech backends using Node.js, Express.js, and MongoDB. I have hands-on experience building wallet systems, payment infrastructures, transaction APIs, virtual card platforms, and financial applications focused on scalability, reliability, and security.

Whether you need a payment API, wallet backend, transaction processing system, authentication flow, or third-party payment integration, I can help you build a clean and production-ready solution.

What I can build:

Fintech Backend APIs

Wallet & Transaction Systems

Payment Gateway Integrations

Authentication & Security Systems

REST APIs with Node.js

MongoDB Database Architecture

Real-time Transaction Processing

Crypto & Stablecoin Integrations

Cloud Deployment & Backend Setup

Why work with me?

Real fintech development experience

Clean and scalable architecture

Secure coding practices

Fast communication and support

Reliable and maintainable codebase

Tech Stack:

Node.js, Express.js, MongoDB, REST APIs, AWS, React Native Backend Support.

Please send a message before placing an order so we can discuss project requirement

  • Expertise

    • Debugging
    • Performance
    • Security
    • Operating systems
    • Databases

  • Programming language

    • JavaScript

  • Frontend framework

    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • NestJS
    • Node.js

Get to know Adewale

Adewale

Softwae Engineer

  • FromNigeria
  • Member sinceMay 2019

  • Languages

    English
Software engineer specialising in fintech applications, backend systems, payment integrations, and scalable APIs. I build secure and high-performance solutions using Node.js, Express.js, MongoDB, React Native, and cloud infrastructure. I have experience developing digital wallets, virtual card systems, payment gateways, crypto/stablecoin integrations, and real-time transaction platforms. Focused on clean architecture, scalability, security, and delivering reliable products that solve real business problems.

My Portfolio

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