1180 | Senior Go Developer (authentication, authorization)

Intetics; Mountain View (WY); Presencial; USD 180 000 - 240 000; Tempo integral

Resumo da oferta

Intetics Inc. is seeking a Senior/Lead Go Backend Engineer with IAM expertise to design, build, and operate secure, high-performance authentication services.

You will own features end-to-end, write idiomatic Go, and collaborate across teams in a production environment. You'll work with OAuth 2.0, OpenID Connect, JWT, SSO, MFA, and token strategies, deploy in AWS or Kubernetes, use CI/CD, and mentor engineers while shaping security posture and architecture.

Qualificações

• 7+ years backend engineering experience, including 5+ years with Go.
• 3-4+ years working with authentication, authorization, SSO, MFA, OAuth 2.0, OpenID Connect, JWT, and session management in production environments.
• Strong knowledge of web security and OWASP Top 10.

Responsabilidades

• Design, develop, and operate high-throughput, low-latency identity services: 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 token formats with secure issuance, rotation, and revocation.
• Write clean, concurrent, and high-performance Go backend services; design idiomatic, testable code and clear API contracts (gRPC/HTTP).
• Leverage DevOps to deploy, manage, and automate identity infrastructure (CI/CD, monitoring, incident response).
• Serve as SME on authentication and identity; perform security reviews and threat modeling; guide integrations with providers (Keycloak, AWS Cognito).
• Mentor engineers, conduct design reviews, contribute to the team's security posture and roadmap.

Conhecimentos

Go backend development

IAM (identity and access management)

OAuth 2.0

OpenID Connect

JWT

SSO

MFA

gRPC

AWS

Kubernetes

Terraform

Security best practices

Ferramentas

Keycloak

AWS Cognito

gRPC

JWT handling

OIDC libraries

Descrição da oferta de emprego

Intetics Inc., a global technology company providing custom software application development, distributed professional teams, software product quality assessment, and "all-things-digital" solutions, is seeking a highly skilled and experienced Go Developerto join our dynamic team on a full-time basis.

We are looking for a Senior/Lead Go Backend Engineer with strong Identity and Access Management (IAM) expertise to design, build, and operate secure, high-performance authentication services. The candidate should have 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.

Project Responsibilities

• Design, develop, and operate high-throughput, low-latency identity services: Single Sign-On (SSO), Multi-Factor Authentication (MFA), session management, and federation.
• Own features end-to-end from design through production and support.
• Implement and scale modern authentication and authorization protocols and token formats (OAuth 2.0, OpenID Connect, JWTs), including secure token issuance, rotation, and revocation strategies.
• Write clean, concurrent, and highly performant backend services primarily in Go; design idiomatic, testable code and clear API contracts (gRPC/HTTP).
• Use your DevOps experience to deploy, manage, and automate identity infrastructure (CI/CD, monitoring, and incident response).
• Serve as the subject matter expert on authentication and identity: own internal security reviews, threat modeling for identity flows, and guide other teams on secure integrations with our platform. Integrate and maintain solutions with custom and standard identity providers (e.g. Keycloak and AWS Cognito), and federation patterns.
• Mentor engineers, conduct design reviews, and contribute to the team's technical roadmap and security posture.

• 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
• Strong production experience with Go and gRPC; building complex distributed backend systems
• Deep knowledge of authentication and authorization: OAuth2, OIDC, RBAC, JWT, token security, session management, cryptography
• Strong understanding of web security, federated identity, secure coding, and OWASP Top 10
• Hands-on experience with AWS, Kubernetes, and Terraform
• Experience designing high-throughput, low-latency systems with a focus on security and correctness
• Strong communication skills; 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, key management (KMS/HSM) and token introspection.
• Working knowledge of identity platforms (commercial or open source), rate limiting, abuse mitigation, and adaptive authentication.
• Experience with IntelicsML