Senior Backend Engineer

Description: Seeking a Senior Backend Engineer for Xsolla ID (identity/authentication platform) and Xsolla ZK (Web3 wallet infrastructure). Responsible for backend services, architecture, reliability, security, performance, and cost management. Requirements: 5+ years of commercial backend development experience, proficient in Go. Strong knowledge of relational databases (PostgreSQL, MySQL), caching (Redis), distributed systems, API design (REST, gRPC), and application security. Experience with containers (Docker, Kubernetes), observability tools (Datadog, Prometheus), and CI/CD practices. Familiarity with AI coding tools and English proficiency for technical documentation. Nice to have: Web3 experience, high-load systems, cloud platforms (GCP, AWS, Azure), NoSQL databases, and domain experience in gaming/e-commerce/fintech. Benefits: Comprehensive benefits program including medical, dental, vision, and PTO. Personalized career roadmap and professional development opportunities. Remote work flexibility and a supportive team environment.