Backend Engineer developing backend services for Xsolla ID ecosystem using Go. Engaging in designing authentication flows and optimizing database performance with a collaborative team.
Responsibilities
Develop and maintain backend services for the Xsolla ID platform using Go
Design and implement authentication/authorization flows (OAuth 2.0, OIDC, WebAuthn)
Optimize database queries and ensure high performance under heavy loads (CockroachDB, MySQL, Redis)
Build and maintain microservices architecture with focus on reliability and scalability
Write clean, well-tested code with comprehensive unit and integration test coverage
Collaborate with frontend engineers on SDK and widget integration
Participate in code reviews and contribute to technical documentation
Support production systems and troubleshoot issues across the authentication stack
Requirements
3+ years of commercial experience with Go
Strong understanding of PostgreSQL and Redis (query optimization, indexing strategies)
Experience with Docker and docker-compose
Proficiency with Git and collaborative development workflows
Understanding of Nginx and web server configuration
Solid experience writing unit tests and maintaining high code quality
Good English reading skills (technical documentation)
Understanding of microservices architecture principles
Experience with REST API design and documentation (Swagger/OpenAPI)
Hands-on experience with CI/CD pipelines
Familiarity with Jira for project management
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 of GitHub profile is a plus
Benefits
100% company-paid medical, dental, and vision plans
Unlimited Flexible Time Off
Personalized career roadmap for each employee
Professional development through training and educational opportunities
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