Staff Software Engineer Identity and Access Management
Xsolla is a video game commerce company that provides a suite of tools and services—including merchant of record payment processing, tax management, fraud prevention, compliance, refunds, dispute management, and end-user support—to help game developers and publishers launch, grow, and monetize their games globally. It serves video game developers, publishers, and studios of all sizes across global and regional markets.
About Xsolla
Xsolla connects the tools, systems, payments, and web shops used by the video games industry, positioning itself as a global merchant of record supporting over 1,000 payment methods and a cumulative audience of 50 million, with transaction fees around 5%. Its services include tax management, fraud monitoring and prevention, global and regional regulatory compliance, refund and dispute management, and end-user payment support. Xsolla's product lineup includes the Xsolla SDK for native in-app payments on side-loaded apps and alternative app stores, a Buy Button enabling link-out purchases from iOS mobile games in the U.S., and Web Shop for building customized, direct-to-consumer game storefronts. The company works with major gaming industry partners and clients such as Mytona, Ubisoft, MARVEL SNAP, and others, and highlights partner success stories, industry events, and its own culture and hiring initiatives on its site.
Skills
About the Role
You will own the technical strategy and architecture for an identity and access management platform, including authentication, authorization, and session management. You will design and evolve OAuth 2.0 and OIDC flows, guide cross-team technical decisions, identify risks and bottlenecks, and lead production escalations. You will define engineering standards, review critical code and designs, produce documentation and tooling, mentor others, and translate stakeholder needs into technical plans.
Requirements
- Deep understanding of OAuth 2.0, OIDC, and related authentication flows.
- Knowledge of cookie security, CSRF, XSS, token storage, TLS, and secure session management.
- Experience designing or operating production-grade IAM or authentication systems.
- Strong Go engineering skills, including concurrency patterns and performance profiling.
- Experience with distributed systems and their trade-offs.
- PostgreSQL schema design, query optimization, and migrations at scale.
- Experience deploying, operating, and debugging services in Kubernetes.
- Experience with Kafka or NATS and event-driven patterns.
- Knowledge of Git and modern CI/CD practices.
- Ability to lead multi-quarter technical initiatives across teams.
- Experience influencing architecture and engineering standards.
- Written and verbal communication skills, including RFCs and design documents.
Responsibilities
- Own the IAM technical strategy and architecture for authentication, authorization, and session management.
- Design and evolve OAuth 2.0 and OIDC flows, token lifecycles, and security primitives.
- Drive technical decisions on protocol design, data modeling, and platform reliability.
- Identify systemic risks and performance bottlenecks and lead mitigation initiatives.
- Define engineering standards and review critical code and designs.
- Create leverage through documentation, tooling, and mentorship.
- Collaborate with product, security, and infrastructure stakeholders on roadmaps and technical plans.
- Serve as an escalation point for complex IAM production issues.