Senior Go Developer, Authentication, Authorization

Intetics

. Design, develop, and operate high-throughput, low-latency identity services, including SSO, MFA, session management, and federation .

Posted 10/27/2026full-timeRemote • Albania, Azerbaijan, Georgia, Serbia, Slovenia, PolandSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in backend engineering with a focus on authentication and authorization protocols, including OAuth 2.0 and OpenID Connect. Proficient in designing and implementing secure, high-throughput identity services using Go and gRPC.

Highest-signal resume keywords

Backend Engineering ExperienceGo Programming LanguageAuthentication And Authorization ProtocolsAWS And KubernetesWeb Security And OWASP Top 10

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GoGRPCOAuth 2.0OpenID ConnectJWTSession ManagementCryptographyCI/CDToken SecurityFederated Identity

Soft Skills

Strong Communication Skills

Tools & Technologies

AWSKubernetesTerraformKeycloakAWS Cognito

Industry Keywords

Identity ServicesSingle Sign-On (SSO)Multi-Factor Authentication (MFA)Threat ModelingSecure Coding

Tech Stack

Tools & technologies

AWSGRPCKubernetesOpen SourceTerraformGo

About the role

Key responsibilities & impact

Design, develop, and operate high-throughput, low-latency identity services, including SSO, MFA, session management, and federation
Own features end-to-end from design through production and support
Implement and scale authentication and authorization protocols and token formats, including OAuth 2.0, OpenID Connect, and JWTs
Implement secure token issuance, rotation, and revocation strategies
Write clean, concurrent, and highly performant backend services primarily in Go
Design idiomatic, testable code and clear gRPC/HTTP API contracts
Deploy, manage, and automate identity infrastructure using CI/CD, monitoring, and incident response
Serve as the subject matter expert on authentication and identity
Own internal security reviews and threat modeling for identity flows
Guide teams on secure platform integrations
Integrate and maintain custom and standard identity providers, including Keycloak and AWS Cognito, and federation patterns
Mentor engineers, conduct design reviews, and contribute to the technical roadmap and security posture

Requirements

What you’ll need

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
Nice to have: Working knowledge of identity platforms (commercial or open source), rate limiting, abuse mitigation, and adaptive authentication