• Architect and lead the design of Xsolla’s next-generation identity platform, supporting authentication, authorization, single sign-on (SSO), and account federation across internal and external services. • Develop high-performance Golang microservices that manage user identity, access tokens, and permission enforcement at global scale. • Collaborate closely with security, DevOps, and platform engineering teams to embed Zero Trust principles and standardize access governance across services. • Integrate modern IAM standards and protocols (OAuth2, OIDC, SAML, SCIM) to enhance developer experience and partner integrations. • Mentor and coach engineering teams on secure service design, identity best practices, and cross-service communication patterns. • Partner with product teams to ensure that identity-related features — such as player login, entitlement management, and account linking — are scalable, compliant, and user-friendly. • Define and enforce API and data security standards, supporting compliance initiatives such as GDPR, SOC 2, and ISO 27001. • Evaluate and integrate third-party IAM frameworks or open-source solutions (e.g., Keycloak, Auth0, ForgeRock) as part of Xsolla’s hybrid identity strategy.