Yevhenii Smolenko

Senior Software Engineer with 10 years of experience in backend development, primarily specializing in Java and distributed systems. Experienced in developing, optimizing, and operating high-load backend services in large-scale production environments, with a focus on performance, scalability, reliability, and data correctness. Professional experience includes working on systems processing millions of requests per second, optimizing request-processing pipelines, improving infrastructure efficiency, and implementing cross-region disaster recovery solutions. Strong background in concurrency, system design, distributed data processing, and troubleshooting complex production issues across services and databases. At Roku and DataXu, contributed to critical backend systems, performance improvements, infrastructure optimization, and modernization of existing codebases. Experienced in working with AWS and GCP, collaborating across engineering teams, and taking ownership of complex technical problems from investigation through implementation and production validation. In addition to backend engineering, actively uses AI-assisted development tools, including Claude Code, to investigate large codebases and support daily engineering tasks. Has also developed a production business website and content platform using agentic development workflows and contributed to an internal AI initiative focused on an investigator agent and its capabilities.