Principal Engineer – Identity Management; IAM & Golang Backend

ABOUT US

At Xsolla, we believe that great games begin as ideas, driven by the curiosity, dedication, and grit of creators around the world. Our mission is to empower these visionaries by providing the support and resources they need to bring their games to life. We are committed to leveling the playing field, ensuring that every creator has the opportunity to share their passion with the world.

Headquartered in Los Angeles, with offices in Berlin, Seoul, and beyond, we partner with industry leaders like Valve, Twitch, and Ubisoft to clear the paths for innovation in gaming. Our global reach spans over 200 geographies, offering more than 700 payment methods in 130+ currencies.

Xsolla is seeking a Principal Engineer with deep expertise in Identity and Access Management (IAM) and Golang backend development to lead the evolution of our authentication and authorization stack — enabling developers and players to connect safely and effortlessly across the Xsolla ecosystem
.

• 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, Dev Ops, 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, Forge Rock) as part of Xsolla’s hybrid identity strategy.

• 10+ years in backend or systems engineering, including 5+ years designing and implementing IAM or authentication services.
• Expert-level skills in Golang, with experience building and scaling distributed, event-driven microservices.
• Proven track record with identity federation, token management, and access control systems.
• In-depth understanding of authentication and authorization standards (OAuth 2.0, OIDC, SAML, JWT, SCIM).
• Solid grasp of security principles, encryption, key management, and secrets management systems (e.g., Hashi Corp Vault, AWS KMS).
• Experience building high-availability systems in Kubernetes-based environments using AWS, GCP, or Azure.
• Strong architectural vision with the ability to influence cross-team design and technology direction.
• Excellent communication and collaboration skills across distributed teams.

• Experience building or contributing to identity systems for gaming or SaaS ecosystems.
• Familiarity with multi-tenant architectures, RBAC/ABAC models, and policy-as-code (OPA, AuthZ frameworks).
• Background in security engineering, Dev Sec Ops , or compliance automation.
• Contributions to open-source Golang or IAM projects.

Xsolla is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, or any other characteristic protected by law.

We consider qualified applicants with criminal histories in accordance with the Fair Chance Act.

For the Principal Engineer, we will conduct a background check that may include the following:

Criminal history check

Employment verification

Education verification

The background check is relevant to this position…