Middle/Senior Backend Engineer
Xsolla is a global video game commerce company providing tools and services to launch, monetize, and scale games. Its offerings include payments, web shops, publishing, distribution, LiveOps, anti-fraud, subscriptions, SDKs, and creator solutions for developers, publishers, payment providers, creators, and other gaming businesses.
Maintainer signals as of 8/23/2026
Projects
About Xsolla (USA), Inc.
Xsolla operates as a global merchant of record and video game commerce platform serving developers, publishers, resellers, payment providers, creators, and retailers. It provides payment processing across more than 200 countries and regions, 1,000+ payment methods, and 130+ currencies, alongside tax management, compliance, fraud prevention, refunds, dispute management, and end-user support. Its product portfolio includes Web Shop, Publishing Suite, Payments, Xsolla Pay, Mobile Buy Button, SDKs, Subscriptions, game distribution, Partner Network, Offerwall, LiveOps, Anti-Fraud, Login, Site Builder, cloud gaming, and related gaming commerce tools.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Develop and maintain backend services for Xsolla ID, implementing authentication and authorization flows with OAuth 2.0, OpenID Connect, and WebAuthn. Optimize databases, maintain scalable microservices, write well-tested code, and support production authentication systems.
Requirements
- 3+ years of commercial experience with Go
- Strong understanding of PostgreSQL and Redis, including query optimization and indexing
- Experience with Docker and docker-compose
- Proficiency with Git and collaborative development workflows
- Understanding of Nginx and web server configuration
- Experience writing unit tests and maintaining high code quality
- Good English reading skills for technical documentation
- Understanding of microservices architecture
- Experience with REST API design and Swagger/OpenAPI
- Hands-on experience with CI/CD pipelines
- Familiarity with Jira
- Knowledge of OAuth 2.0, OpenID Connect, or other authentication protocols
- Experience with RabbitMQ or similar message brokers
- Understanding of Kubernetes and container orchestration
- Sharing a GitHub profile is a plus
Responsibilities
- Develop and maintain backend services for the Xsolla ID platform using Go
- Design and implement authentication and authorization flows with OAuth 2.0, OIDC, and WebAuthn
- Optimize database queries for CockroachDB, MySQL, and Redis under heavy loads
- Build and maintain reliable and scalable microservices
- Write clean, well-tested code with unit and integration test coverage
- Collaborate with frontend engineers on SDK and widget integration
- Participate in code reviews and technical documentation
- Support production systems and troubleshoot authentication-stack issues
Benefits
- 100% company-paid medical, dental, and vision plans
- Unlimited Flexible Time Off
- Personalized career roadmap
- Training and educational opportunities