Senior Go Developer (Authentication and Authorization)

Intetics Inc.Identity and access management

Albania. Azerbaijan. Georgia. Serbia. Slovenia. PolandFull-TimeSenior

Salary not disclosed

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Job Details

Experience: 7+ years of backend engineering experience, including 5+ years with Go and 3–4+ years working with authentication, authorization, SSO, MFA, OAuth 2.0, OpenID Connect, JWT, and session management in production environments
Required Skills: AWSKubernetesGogRPCTerraform

Have 7+ years of backend engineering experience.
Have 5+ years of experience with Go.
Have 3–4+ years working in production with authentication, authorization, SSO, MFA, OAuth 2.0, OpenID Connect, JWT, and session management.
Bring strong production experience with Go and gRPC, including building complex distributed backend systems.
Have deep knowledge of OAuth2, OIDC, RBAC, JWT, token security, session management, and cryptography.
Understand web security, federated identity, secure coding, and OWASP Top 10.
Have hands-on experience with AWS, Kubernetes, and Terraform.
Have experience designing high-throughput, low-latency systems with a focus on security and correctness.
Be able to explain security and architecture trade-offs to technical and non-technical stakeholders.
Nice to have: experience with SAML, SCIM, PKI, JWKs/JWKS endpoints, KMS/HSM key management, or token introspection.
Nice to have: working knowledge of identity platforms, rate limiting, abuse mitigation, or adaptive authentication.

Design, develop, and operate high-throughput, low-latency identity services for SSO, MFA, session management, and federation.
Own features end-to-end, from design through production and support.
Implement and scale OAuth 2.0, OpenID Connect, and JWT, including secure token issuance, rotation, and revocation strategies.
Write concurrent, performant backend services primarily in Go and define clear gRPC/HTTP API contracts.
Deploy, manage, and automate identity infrastructure, including CI/CD, monitoring, and incident response.
Lead internal security reviews and threat modeling for identity flows, and guide secure integrations with the platform.
Integrate and maintain identity providers such as Keycloak and AWS Cognito, and federation patterns.
Mentor engineers, conduct design reviews, and contribute to the technical roadmap and security posture.

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