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Staff Software Engineer (Identity & Access Control)

1 hour, 17 minutes ago
Serbia
Full-time
Lead
Software Engineer
Software Development
AWS Encryption GCP Go JWT Kubernetes OpenID Connect
Apply Now
Xsolla

Xsolla

Xsolla is an international payment solution provider for online games, offering tools to launch, monetize, and scale games worldwide with local payment methods and fraud prevention.

Internet Software & Services
251-1K
Founded 2005
View All Jobs 85

Description

  • Architect, build, and scale the company’s authentication and authorization infrastructure.
  • Own identity federation, token lifecycle management, and fine-grained access control systems.
  • Design and lead mission-critical security services that support multi-tenant and global-scale platforms.
  • Build high-performance, concurrent, and scalable backend systems in Go.
  • Deploy and manage cloud-native services in Kubernetes environments on AWS or GCP.
  • Collaborate across security, platform, and developer experience concerns to improve system reliability and usability.
  • Apply security-first engineering practices, including secure coding and encryption standards.
  • Contribute to the design of access control models for complex SaaS and gaming integrations.

Requirements

  • 10+ years of experience in backend or systems engineering.
  • At least 5 years of experience in the Identity & Access Management domain.
  • Expert-level proficiency in Golang.
  • Experience building high-performance, concurrent, and scalable distributed systems.
  • Proven experience deploying and managing services in Kubernetes environments.
  • Experience with AWS or GCP.
  • Deep understanding of OAuth 2.0, OIDC, JWT, and SCIM.
  • Hands-on experience with identity federation, token management, and access control flows.
  • Strong grasp of modern security best practices, encryption standards, and secure coding principles.
  • Experience with fine-grained access control such as ReBAC, ABAC, or Open Policy Agent (preferred).
  • Familiarity with Ory (Kratos/Keto), Keycloak, Auth0, or ForgeRock (preferred).
  • Background in multi-tenant architectures for global SaaS platforms or large-scale gaming ecosystems (preferred).
  • Active contributions to open source Golang projects or security-focused libraries (preferred).

Benefits

  • Unlimited Flexible Time Off.
  • Personalized career roadmap for each employee.
  • Professional development through training and educational opportunities.
  • Supportive environment focused on physical, mental, and emotional well-being.
  • A culture that values creativity, collaboration, and the transformative power of play.

Interested in this position?

Apply directly on the company website

Apply Now

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