Principal Engineer – Identity & Golang
Xsolla is a global video game commerce company providing payment processing, merchant-of-record services, monetization, publishing, distribution, fraud prevention, tax management, and direct-to-consumer tools. Its primary clients are video game developers, publishers, payment providers, creators, and players.
Maintainer signals as of 8/14/2026
Projects
About Xsolla
Xsolla provides tools and services for launching, promoting, selling, and monetizing video games across mobile, PC, web, and other platforms. Its offerings include global payments, Pay Station, Web Shop, Buy Button, SDKs, APIs, authentication, subscriptions, virtual goods, game keys, game distribution, cloud gaming, anti-fraud, tax compliance, player support, analytics, LiveOps, creator campaigns, loyalty, rewards, and publishing tools. Xsolla serves game developers and publishers worldwide, as well as payment providers and gamers.
Skills
About the Role
You will lead the evolution of Xsolla's authentication and authorization stack, enabling developers and players to connect safely and effortlessly across the ecosystem. You will architect the next-generation identity platform, build high-performance Golang microservices, and collaborate with security, DevOps, and platform engineering teams to embed Zero Trust principles. You will integrate modern IAM standards, mentor engineering teams on secure service design, and partner with product teams to deliver scalable and compliant identity features.
Requirements
- 10+ years in backend or systems engineering, including 5+ years designing and implementing authentication and authorization 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, JWT, SCIM)
- Solid grasp of security principles, encryption, key management, and secrets management systems (e.g., HashiCorp Vault, AWS KMS)
- Experience building high-availability systems in Kubernetes-based environments using AWS or GCP
- Strong architectural vision with the ability to influence cross-team design and technology direction
- Excellent communication and collaboration skills across distributed teams
Responsibilities
- Architect and lead the design of Xsolla's next-generation identity platform, supporting authentication, authorization, single sign-on (SSO), and account federation
- Develop high-performance Golang microservices that manage user identity, access tokens, and permission enforcement at global scale
- Collaborate with security, DevOps, and platform engineering teams to embed Zero Trust principles and standardize access governance
- Integrate modern IAM standards and protocols (OAuth2, OIDC, 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 identity-related features are scalable, compliant, and user-friendly
- Define and enforce API and data security standards, supporting compliance initiatives
- Evaluate and integrate third-party identity frameworks or open-source solutions as part of Xsolla's hybrid identity strategy
Benefits
- 100% company-paid medical, dental, and vision plans
- Unlimited Flexible Time Off
- Personalized career roadmap