
Senior Backend Engineer with 12+ years of experience designing, building, and scaling cloud-native distributed systems and full-stack applications. Expertise in backend architecture, high-throughput REST and gRPC services, identity and authentication (OAuth 2.0, JWT), and event-driven architectures, complemented by hands-on frontend development experience. Proven track record of delivering and owning mission-critical services at scale, with a strong focus on performance, scalability, availability, and security.