Okta/Auth0 Authentication and SSO Setup

@onkarkulkarni8

Hello, I checked your "Okta/Auth0 Authentication and SSO Setup" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.

@tyronet2

You need to replace the current in-house access control with Okta/Auth0 while preserving existing React + Node authentication, user records, roles, sessions, SSO, and REST API security. I have 9+ years of full-stack experience with Node.js, REST APIs, cloud infrastructure, authentication flows, and production systems handling real users. I’ve worked with secure API integrations, token-based workflows, environment-managed credentials, and role-aware backend services, so I can fit the identity layer into your existing architecture rather than redesigning the application. I can configure OIDC/OAuth 2.0, map provider identities to existing users, handle SSO across both subdomains, enforce scopes on APIs, and validate expired or invalid tokens. Existing-user migration without unnecessary password resets will be treated as a key part of the implementation. Can you share how your current user/session tables and password authentication are structured?

@Anika1802

Hi! My name is Vandini, and I’m here to offer my services as an experienced full-stack developer. I have strong experience with React, Node.js, OAuth 2.0, OIDC, API security, authentication, SSO, and role-based access control. I can integrate Okta and Auth0 with your existing authentication and user system, implement SSO across sub-domains, secure REST APIs with proper token validation and scopes, and handle the migration of existing users with minimal disruption. I’d be happy to review the current authentication flow, architecture, and Postman collections to define the right migration approach. Once the scope is locked, I can start right away.

@erincguray

Greetings I am Erinc I am a Web Developer since 2020 knowledgeable in Web Security and Software Development. I can confirm I will provide the Okta/Auth0 Authentication and SSO Setup you're looking for strictly under your budget. I am available to start right now and regularly on desk everyday. Looking forward to hear from you. Thanks for your consideration.

@SupeRFreelancerz

Proposal — Okta & Auth0 Identity Integration Hi, I can help migrate your existing React + Node application to Okta and Auth0 while preserving your current users, roles, sessions, and API permissions. I’ll handle: Okta and Auth0 authentication configuration Integration with your existing user database and session logic Seamless user migration without unnecessary password resets SSO across your two internal sub-domains OAuth 2.0 / OIDC implementation for secure API access Token validation, expiration handling, and scope-based authorization Integration with your existing RBAC system End-to-end testing using your Postman collections Clear code comments, documentation, and handover notes I’ll focus on making the migration secure and minimally disruptive to your production application, while keeping the implementation maintainable for your team. I’m happy to review the existing architecture and break the work into clear milestones for implementation and testing.

@amannamdev5081

Hi, I have carefully reviewed your authentication migration requirement and understand that you need Okta and Auth0 introduced into an existing React + Node production application without disrupting current users, sessions or role-based access. I can integrate the identity providers using OAuth 2.0/OIDC and map their identities cleanly to your existing user records and permission model. The implementation can cover registration and login, secure session handling, token validation and SSO across your two internal sub-domains. For the API layer, I’ll configure access tokens with proper issuer, audience, expiry and scope validation so invalid or expired credentials are rejected before reaching protected endpoints. Existing application roles can remain authoritative while identity management is handled by the providers. For user migration, I’ll first review your current authentication and password architecture to determine the safest migration path that avoids unnecessary password resets and preserves account continuity. I’ll test the complete flow using your existing Postman collections, including provider login, SSO, API authorization, expired tokens and scope-based permissions, then document the configuration and environment variables for your team. I’d be happy to modernize the authentication layer while keeping the transition secure, controlled and transparent for existing users. Best Regards Aman

@vtriexc

Hi, I have 4+ years of software development experience with hands-on expertise in Node.js, REST APIs, authentication, OAuth 2.0/OIDC, and secure application development. Your React + Node application and Okta/Auth0 migration requirements are well aligned with my experience. I can integrate both Okta and Auth0 with your existing user tables, authentication/session logic, and role-based access control without unnecessarily disrupting the mature codebase. I can also implement SSO across your two internal sub-domains and secure your REST APIs using proper access tokens, scopes, expiration checks, and issuer/audience validation. For existing users, I’ll carefully design the migration flow to preserve account identity and avoid unnecessary password resets, subject to the capabilities and migration strategy supported by your current authentication setup. I’ll test the complete flow using your Postman collections and verify registration, login, SSO, token validation, API authorization, expired/invalid token rejection, and role/scope enforcement. You’ll receive clean, maintainable code, meaningful comments, configuration documentation, and clear hand-over notes so your team can manage the identity setup confidently. I’m available to start immediately and can work directly with your repository and existing architecture.

@claudiomf1

Hi - I updated my bid to help you move faster on "Okta/Auth0 Authentication and SSO Setup". I ship API/automation backends (Node/Python, webhooks, CRM integrations) in production. Milestone 1 (~5-7 days): scoped spike on your brief + working proof (endpoint, webhook, or integration demo you can test). Milestone 2: harden, docs, env vars, and handoff on your server. What is the single must-have for week 1? Claudio (@claudiomf1)

@yashvardhan1905

Hi, I can help integrate Okta/Auth0 authentication into your React + Node application, including OAuth 2.0/OIDC, SSO across subdomains, secure API token validation, and role-based access control. I’ll ensure the implementation is secure, well-tested, and properly documented. Ready to review your existing setup and get started.

@snehb0

Hi, I can help migrate your existing React + Node.js application to Okta and Auth0 with a secure, production-ready authentication setup. I have experience with OAuth 2.0, OIDC, JWT, SSO, REST APIs and role-based access control. I can handle provider configuration, existing-user integration, SSO across sub-domains, secure API token validation, scopes, and end-to-end testing with Postman. I’ll also provide clean code, comments, and handover documentation so your team can easily maintain the setup. I’m ready to start immediately and can work with your existing codebase and requirements. Thanks, Sneh

@lunetrons

Hi, I’ve carefully reviewed your authentication migration requirements and understand that you need Okta and Auth0 integrated into your existing React + Node.js production application without disrupting current users, sessions, or RBAC. I can implement OAuth 2.0/OIDC authentication, cleanly map provider identities to your existing user records, and enable SSO across both internal sub-domains. For the API layer, I’ll ensure secure access-token validation, including issuer, audience, expiry, and scopes, so invalid or unauthorized requests are properly rejected while your existing roles and permissions remain intact. I’ll also review your current password and authentication architecture to define the safest migration approach for existing users without unnecessary password resets. Finally, I’ll perform end-to-end testing with your Postman collections and provide clear documentation for configuration, environment variables, and future maintenance. I’m ready to review the repository and get started with a clear, controlled migration plan.

@NazarKarpa

As a seasoned developer, my wide-ranging experience with React and Node makes me a perfect candidate for your Okta/Auth0 Authentication and SSO Setup project. I have a proven track record of successfully implementing similar transitions, maintaining high security standards while ensuring seamless user experience. Crucially, I've also worked extensively with REST APIs and can apply these skills effectively to protect your endpoints through the incumbent OAuth 2.0 / OIDC protocols. In addition to these technical proficiencies, my clients have also commended me on my meticulous code commenting and comprehensive hand-over notes. When we complete this project, not only will it functionally meet your needs but also future-proof easily for your team. I firmly believe that a key aspect of IT work is to make our creations understandable for everyone who comes in contact with them and I aim to deliver that in all my projects. To reinforce your decision-making process, I commit to delivering a solution that ticks all of your acceptance requirements: a streamlined authentication mechanism on both Okta and Auth0 platforms mapped eloquently into your existing structure, seamless user migration, robust single sign-on functionality between sub-domains, API calls rejecting invalid or expired tokens as well as adhering to proper scopes. All while executing an end-to-end testing using your given parameters including Postman collections.