Contractor - Auth0 CIAM Developer

Location: Bengaluru

Experience: 7–11 Years

About The Role We are seeking a hands-on Auth0 CIAM Developer to design and implement secure, scalable customer identity solutions using Auth0, Terraform, React.js, Node.js, JavaScript/TypeScript, and GCP . The role focuses on modern authentication and authorization patterns, application integration, identity lifecycle management, and secure CIAM delivery.

Job Description The role involves designing and implementing Auth0-based CIAM solutions across web, mobile, and backend applications. The candidate will develop authentication and authorization flows using OAuth 2.0, OpenID Connect (OIDC), PKCE, and SAML , along with Auth0 Actions, token customization, custom claims, scopes, and attribute mappings.

The position also covers MFA, adaptive authentication, passwordless authentication, federation, user migration, session management, API security, and fine-grained authorization. The candidate will use Terraform, GitHub, and GitHub Actions for configuration management and CI/CD while collaborating with development, DevOps, architecture, and product teams.

Key Responsibilities

• Design and implement Auth0 CIAM solutions across multiple applications and environments.
• Develop authentication and authorization flows using OAuth 2.0, OIDC, PKCE, and SAML.
• Build and maintain Auth0 Actions, custom authentication logic, token customization, claims, scopes, and attribute mappings.
• Integrate Auth0 with web, mobile, backend applications, and API gateways.
• Implement custom login, registration, consent, progressive profiling, account linking, and identity lifecycle workflows.
• Implement MFA, adaptive/risk-based authentication, passwordless login, OTP, magic links, and passkeys/WebAuthn.
• Configure federation with enterprise and social identity providers such as Azure AD, Okta, Ping, Google, and SAML IdPs.
• Implement API security using RBAC/ABAC, JWT validation, JWKS, scopes, audience validation, and token hardening.
• Manage Auth0 configurations using Terraform and support automated deployments through GitHub Actions.
• Implement logging, monitoring, error handling, retry mechanisms, and performance optimization for high-volume CIAM environments.
• Collaborate with development, DevOps, architecture, and product teams in Agile/Scrum delivery environments.

Required Skills

• Auth0 / CIAM
• OAuth 2.0, OpenID Connect (OIDC), PKCE, SAML
• Auth0 Actions and token customization
• MFA, adaptive authentication, and passwordless authentication
• Federation and enterprise/social identity providers
• Auth0 Management APIs
• API security, JWT, JWKS, RBAC, ABAC
• Terraform
• React.js, Node.js, JavaScript/TypeScript
• GCP Cloud
• GitHub and GitHub Actions
• Custom database connections and user migration
• Session management and refresh token rotation
• API gateway and secrets management
• Logging, monitoring, debugging, and troubleshooting
• Agile/Scrum and CIAM delivery

Preferred / Good To Have

• Mobile authentication experience with iOS/Android
• Multi-tenant CIAM architecture and design patterns
• Auth0 certifications, such as Auth0 Certified Developer
• Experience with AWS, GCP, or Azure
• Authorization frameworks such as OPA
• Fine-grained access control models
• Third-party authentication services such as Twilio for OTP/SMS

Mandatory Skills

• IDAM - OKTA
• IDAM - OneIdentity
• IDAM - SailPoint IdentityNow
• Identity Governance
• OT Security - OT/ICS Cybersecurity

Candidate Profile

The ideal candidate will have approximately 9 years of hands-on experience in CIAM and identity solution development, with strong expertise in Auth0, authentication protocols, API security, Terraform, and modern application technologies. The candidate should have strong analytical, communication, and collaboration skills, with the ability to work across cross-functional teams and manage multiple priorities in fast-paced Agile environments.

Benefits Package

• Competitive salary and benefits package
• Opportunities for professional growth and development
• A collaborative and inclusive work environment
• The opportunity to work on exciting and challenging projects with leading clients