Backend Engineer

• Develop and maintain backend services for the Xsolla ID platform using Go
• Design and implement OAuth 2.0 / OIDC flows, token introspection, and refresh strategies
• Work with the Ory ecosystem and extend the custom Auth API orchestrator and plugin architecture
• Apply web security fundamentals including cookie security, CSRF/XSS protection, secure token storage, TLS, and secure session management
• Optimize database queries and ensure high performance under heavy loads across PostgreSQL, MySQL, Redis, and CockroachDB
• Build and maintain microservices architecture focused on reliability and scalability
• Contribute to zero-downtime migration from legacy Xsolla Login with bidirectional identity sync
• 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
• Develop a next-generation IAM platform serving as the foundation for Xsolla B2C products

Middle/Senior Backend Engineer

• Own the technical strategy and architecture of the Xsolla ID IAM platform, covering authentication, authorization, and session management at scale
• Design and evolve OAuth 2.0 / OIDC flows, token lifecycle strategies, and security primitives
• Lead decisions on the Ory ecosystem, custom authentication methods, and the Auth API orchestrator/plugin architecture
• Own web security fundamentals across the platform
• Drive CockroachDB strategy for geo-distributed data residency
• Review complex security-critical code and ensure best practices
• Drive zero-downtime migration from legacy Xsolla Login with bidirectional identity synchronization
• Identify systemic risks and performance bottlenecks and lead remediation initiatives
• Make key decisions on system design, security architecture, and technology choices
• Maintain hands-on contribution to critical security features
• Lead and mentor up to 8 backend engineers
• Conduct 1:1s, performance reviews, and career development conversations
• Hire and onboard team members with IAM/security expertise
• Foster a security-first culture and manage team workload and delivery commitments
• Own delivery predictability for the mission-critical platform
• Collaborate with Product to define the IAM roadmap and priorities
• Coordinate with dependent product teams including Xsolla Pay, Wallet, App, and Backpack
• Report on security posture, platform reliability, and team progress

Backend Engineer jobs in Russia

Middle/Senior Backend Engineer

Team Lead, Backend Engineer