I will integrate oauth2, jwt, social login, stripe API, firebase and supabase backend

M
michaelcole7569
M
michaelcole7569
Michael C.
integrate oauth2, jwt, social login, stripe API, firebase and supabase backend
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integrate oauth2, jwt, social login, stripe API, firebase and supabase backend

About this gig

If your app has login issues, broken token flow, payment errors, or a backend that is not properly connected, it can damage user trust and slow down growth.


I help businesses and founders integrate secure authentication, payment systems, and backend services that work smoothly and reliably.



I integrate OAuth2, JWT authentication, social login, Stripe API, Firebase, and Supabase backend into your web or mobile application. Whether you are building a SaaS product, startup MVP, dashboard, or custom platform, I will handle the technical setup with a clean and dependable approach.



I can you improve security, user access, payment flow, and backend performance without wasting time on trial and error.


What you can expect:

  • OAuth2 and JWT authentication setup
  • Social login integration
  • Stripe API integration
  • Firebase or Supabase backend setup
  • Secure auth flow and API connection
  • Debugging, testing, and issue fixing
  • Fast delivery + Clear communication



Please message me before ordering so I can review your requirements and recommend the right package.


supabase, firebase, api integration, firebase auth, stripe integration, nextjs, oauth2 api 

  • Expertise

    • Algorithms & Data structures
    • Performance
    • Security
    • Operating systems
    • Databases

  • Programming language

    • HTML & CSS

  • Frontend framework

    • jQuery
    • Next.js
    • React.js

  • Backend framework

    • Laravel
    • CakePHP
    • NestJS
    • Next.js
    • Node.js

Get to know Michael C.

Michael C.

Certified Full stack developer

  • FromUnited Kingdom
  • Member sinceApr 2026
  • Avg. response time1 hour

  • Languages

    German, English, French
I am a backend and API integration developer focused on building secure, scalable, and reliable solutions for businesses, startups, and web applications. I help clients integrate authentication systems, payment gateways, backend services, and communication APIs with clean implementation and professional delivery. Many businesses struggle with broken integrations, poor authentication flows, payment issues, and communication systems that do not work smoothly. I help solve these problems by building secure, reliable solutions for web and mobile applications. Contact me to start

My Portfolio

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