Job Title: IAM / Authentication Engineer – Golang

Location: Hybrid for Hyderabad

Employment: C2H (Contract-to-Hire)

Experience: 4+ Years

Key Responsibilities

· Design, develop and maintain secure identity and authentication services using Golang.

· Work with authentication and IAM technologies including OAuth 2.0, OpenID Connect, SAML, LDAP/Active Directory, Kerberos, X.509 and FIDO2/WebAuthn.

· Build integrations with enterprise identity providers and directory services.

· Develop and troubleshoot authentication flows across Windows and Linux environments

· Work with certificate-based authentication, public-key authentication and PKI concepts.

· Develop secure REST/gRPC APIs and backend components for identity and authentication workflows.

· Understand and troubleshoot authentication scenarios involving Windows Logon, RDP, smart cards and certificates.

· Apply secure coding practices and cryptographic concepts including TLS, digital signatures, key pairs and certificate chains.

· Investigate authentication failures across application, client, network and server layers and perform root-cause analysis.

· Write maintainable Go code with appropriate unit, integration and security testing.· Collaborate with backend, client, platform and security engineering teams on architecture and implementation

Required Skills

IAM / Authentication

· 4+ years of software engineering experience, preferably in IAM, cybersecurity, authentication or security products.· Good understanding of authentication, authorization, federation, SSO and MFA concepts.

· Hands-on experience with at least one or more enterprise IAM/authentication technologies such as OAuth 2.0/OIDC, SAML, LDAP/Active Directory, Kerberos, PKI/X.509 or FIDO2/WebAuthn.

· Good understanding of access tokens, refresh tokens,



public-key authentication and certificate-based authentication.

· Ability to understand and troubleshoot authentication flows end-to-end.

Golang· Robust hands-on experience with Go/Golang.

· Experience developing backend services and APIs using Go.

· Good understanding of goroutines, channels, context, error handling and concurrency.

· Experience with REST and/or gRPC, API design, logging, testing and service integration.

Security

· Good understanding of TLS, certificates, public/private key cryptography and digital signatures.

· Awareness of secure software development practices and common application security risks.

· Strong debugging, problem-solving and analytical skills.Good to Have

· Hands-on experience with FIDO2 / WebAuthn / passkeys.

· Experience with Microsoft Active Directory and/or AD CS.

· Knowledge of Windows authentication architecture, Credential Providers, SSPI/CredSSP or RDP authentication.

· Experience with smart cards, PKCS#11, Windows CNG/CryptoAPI or enterprise PKI.

· Experience with Linux PAM/NSS or system-level authentication.

· Experience with identity providers such as Microsoft Entra ID, Okta, Keycloak, Ping Identity or similar.

· Experience with security keys, hardware authenticators, HSMs or key-management systems.

· Working knowledge of C/C++ or Windows system programming.

· Experience with Docker, Kubernetes and CI/CD environments.

Pay: ₹1,200,000.00 - ₹2,000,000.00 per year

Experience

- software engineering in IAM: 4 years (Required)
- Software engineering in cyber security: 4 years (Required)
- Authentication: 4 years (Required)
- authorization: 4 years (Preferred)
- Enterprise Software: 4 years (Required)
- refresh tokens: 4 years (Required)
- golang: 4 years (Required)

Work Location: Hybrid remote in Hyderabad, Telangana

📌 IAM / Authentication Engineer – Golang (Hyderabad)
🏢 Aliqan Technologies
📍 Hyderabad