I will fix cors, oauth, jwt and authentication issues

Facing authentication errors or API access problems? I can help.

I specialise in diagnosing and fixing CORS, OAuth, JWT, and authentication issues across modern web applications. Whether you're struggling with login failures, token validation, cross-origin request errors, or API security, I'll identify the root cause and implement a reliable solution.

What I can fix

• CORS (Cross-Origin Resource Sharing) errors
• OAuth 2.0 and OpenID Connect authentication
• JWT token generation and validation
• Login and registration issues
• Refresh token implementation
• Role-based authentication and authorization
• Session and cookie authentication
• Google, Microsoft, GitHub, Facebook, and other social logins
• API authentication and security
• Identity and access management
• Authentication middleware configuration
• Secure API access and permissions
• Authentication debugging and performance optimisation

Facing authentication errors or API access problems? I can help.

I specialise in diagnosing and fixing CORS, OAuth, JWT, and authentication issues across modern web applications. Whether you're struggling with login failures, token validation, cross-origin request errors, or API security, I'll identify the root caus