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Fiverr Pro
English
$
USD
I will setup oauth2 API integration, sso, jwt authentication, and google login
Edwin
5.0
5.0
About this gig
Secure Your App with OAuth2, JWT & SSO Login
Worried about unauthorized database access or broken logins?
I build secure authentication protocols, REST APIs, and Single Sign-On (SSO) systems to protect your user data.
Who This Is For:
- SaaS startups needing JWT token verification.
- Enterprise apps requiring multi-platform SSO setup.
- Web/mobile apps adding Google, Apple, or social auth.
️ Core Tools:
FastAPI/Python, Node.js, Auth0, Supabase, Postman.
️Key Features:
- OAuth2 framework
- JWT token setups
- Secure cookies
- Google login
- Facebook auth
- Single Sign-On
- Auth0 config
- Supabase auth
- Firebase sync
- CORS security
- Role Access (RBAC)
- Token rotation
- REST encryption
- API documentation
- Postman testing
- Webhook auth
- MFA security
- Password hashing
- Next.js binding
- Stripe hooks
Business Benefits:
- No data leaks
- Fast signup
- Total compliance
- Clean architecture
- Scalable routing
- Secure links
Reasons To Hire Me:
- Security Mindset: Absolute data encryption.
- Proven Developer: Next.js/Node expert.
- Fully Tested: 100% bug-free Postman validation.
Secure your app! Message me now to review your setup before ordering.
Get to know Edwin
Edwin
API Integration, Full Stack and Automation Expert!
- FromUnited States
- Member sinceMar 2026
- Avg. response time1 hour
- Last delivery1 month
Languages
English, German
I am a Full-Stack Engineer and Automation Specialist building scalable backend systems, secure authentication pipelines, and conversational AI architecture.
Whether you need a Next.js/Supabase SaaS MVP, robust OAuth2/JWT security, a high-converting Twilio AI voice agent, or seamless Shopify/Stripe e-commerce inventory sync, I deliver clean code and bug-free webhooks.
Let's automate your business operations.
Message me now to launch!
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Other Software Development Services I Offer
FAQ
Can you integrate OAuth2 authentication into my website or mobile app?
Yes. I can integrate OAuth2 authentication for websites, mobile apps, and backend systems using REST APIs. This includes Google login, Facebook login, and other OAuth providers.
Do you support third-party API integrations?
Yes. I specialize in API integration including Stripe API, Shopify API, PayPal API, Twilio, Google Maps, and other third-party APIs for web and mobile applications.
Can you implement secure user authentication with JWT?
Absolutely. I can build secure user authentication systems using JWT authentication, OAuth2, SSO login, and API security best practices.
What technologies do you use for API development?
I work with Python, FastAPI, NodeJS, REST API, JSON, Spring Security, .NET Core Web API, Firebase, Supabase, Auth0, and other modern backend technologies.
Do you test APIs before delivery?
Yes. I test all API integrations using tools like Swagger and Postman to ensure the REST API, OAuth authentication, and webhook integrations work perfectly.
Reviews
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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M 
mark_p25
United Kingdom
Edwin delivered the second phase of my project perfectly once again. Fast, professional, and highly skilled with Stripe, Next.js, and Node.js. Everything worked flawlessly and he exceeded my expectations. Highly recommended!
Up to $50
Price
3 days
Duration
E 
Seller's Response
Helpful?M mark_p25
United Kingdom
Outstanding work from Edwin. My Stripe integration was completed perfectly and everything works smoothly. Very professional, responsive, and knowledgeable with Next.js, Node.js, subscriptions, and webhooks. Highly recommended!
Up to $50
Price
3 days
Duration
E Seller's Response
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
M mark_p25
United Kingdom
Edwin delivered the second phase of my project perfectly once again. Fast, professional, and highly skilled with Stripe, Next.js, and Node.js. Everything worked flawlessly and he exceeded my expectations. Highly recommended!
Up to $50
Price
3 days
Duration
E Seller's Response
Helpful?M mark_p25
United Kingdom
Outstanding work from Edwin. My Stripe integration was completed perfectly and everything works smoothly. Very professional, responsive, and knowledgeable with Next.js, Node.js, subscriptions, and webhooks. Highly recommended!
Up to $50
Price
3 days
Duration
E Seller's Response
Helpful?
