I will add payment gateways to your web app

M
manulangat1
M
manulangat1
Emmanuel Langat
add payment gateways to your web app
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add payment gateways to your web app

About this gig

Hello! Are you looking to integrate one or more payment gateways into your website or web application?


You're in the right place!


I'm Emmanuel, a senior full-stack engineer with hands-on experience building robust payment solutions using Node.js, NestJS, Python, and deploying them securely on AWS Cloud infrastructure.

Payment Gateways I Integrate:

  • M-Pesa (Daraja API)
  • Stripe
  • PayPal
  • Flutterwave
  • Pesapal
  • iPay Africa



What You'll Get:

  • Secure API integration (REST/Webhooks)
  • Webhook testing & automation
  • Support for mobile money, cards, subscriptions, or one-time payments
  • Fully documented and maintainable code
  • Optional: Custom frontend form (React/Vue)
  • ️ Optional: Cloud deployment (AWS EC2, Lambda, S3)


Works With:

  • Node.js / Express / NestJS
  • Django / Python
  • React / Vue
  • PostgreSQL / MongoDB
  • AWS / Docker (for production-ready CI/CD)


Whether you're launching an e-commerce site, digital wallet, donation portal, or fintech service, I'll ensure your payment system is secure, scalable, and production-ready.

  • Expertise

    • Performance
    • Security
    • Databases
    • Source control
    • Testing procedures

  • Programming language

    • Python

  • Frontend framework

    • React.js

  • Backend framework

    • Django
    • Spring
    • Express.js
    • Node.js
    • Flask

Get to know Emmanuel Langat

Emmanuel Langat
  • FromKenya
  • Member sinceAug 2025
  • Last delivery10 months

  • Languages

    English, Swahili
Hi! I'm Emmanuel, a seasoned Full-Stack Software Engineer with a proven track record of building scalable, secure, and efficient web applications from the ground up. With 4+ years of experience across frontend, backend, and cloud infrastructure, I bring end-to-end expertise to every project I work on. Technologies I Work With include * Frontend: HTML, CSS, Bootstrap, JavaScript, React * Backend: Nodejs, Express, TypeScript, Python (Django). * Databases: PostgreSQL, MongoDB, MySQL * Cloud & DevOps: AWS (EC2, ECS, Lambda, S3, RDS), Docker, Kubernetes, GitHub Actions,

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