I will do custom API development, API integration, oauth, webhook, firebase, supabase

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P
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Kevin
do custom API development, API integration, oauth, webhook, firebase, supabase
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do custom API development, API integration, oauth, webhook, firebase, supabase

About this gig

Need a reliable developer to build, fix, or connect your APIs professionally?


I specialize in custom API development, API integration, OAuth authentication, webhook automation, Firebase, and Supabase solutions for startups, SaaS businesses, eCommerce brands, and growing companies.


Whether you need to connect two platforms, fix broken endpoints, automate workflows, or build a secure custom API from scratch, I deliver clean, scalable, and production-ready solutions.


Services I Offer:

  • Custom REST API development
  • API integration with third-party platforms
  • OAuth login and secure token setup
  • Webhook setup and real-time automation
  • Firebase database/auth integration
  • Supabase backend/database integration
  • Bug fixing and API troubleshooting
  • Data sync between apps and CRMs
  • Secure backend logic and testing


Why Choose Me:

  • Clean and maintainable code
  • Fast communication
  • Secure and scalable solutions
  • Business focused problem solving
  • Reliable post delivery support


If your business depends on systems working smoothly, message me now and lets build it right.

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Testing procedures

  • Frontend framework

    • Flutter
    • Next.js
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Django
    • Express.js
    • FastAPI
    • NestJS
    • Node.js

Get to know Kevin

Kevin

Full Stack Software Developer, AI, SaaS, Web Apps and Automation Expert

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

  • Languages

    English
Hi there! I help businesses build powerful websites, custom software, SaaS platforms, AI chatbots, mobile apps, and automation systems that drive growth. From frontend design to backend logic, APIs, CRM, ERP, databases, and scalable web apps, I deliver clean, reliable solutions using React, Node.js, PHP Laravel, Python, Next.js, Flutter, Supabase, and more. If you need a serious developer focused on results, speed, and long-term value, I’m here to help.

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