5+ years (for Senior level) or 8+ years (for Staff level) of professional experience in roles such as Performance Engineer, Software Engineer in Test, SRE, DevOps, or Software Engineer with a deep focus on performance, scalability, and reliability. Strong software development fundamentals and significant hands-on experience building, testing, and maintaining complex applications or infrastructure using Go and/or Python. Proficiency in Go is highly desired. Deep, hands-on expertise with Kubernetes concepts, architecture, and workflows. Proven ability to design, implement, and optimize complex CI/CD pipelines to integrate automated testing, including performance testing. Experience with tools like GitLab CI, GitHub Actions, or similar is essential. Expert-level understanding of performance testing methodologies, including load, stress, spike, endurance, and scalability testing. Exceptional analytical, debugging, and problem-solving skills with a proven ability to diagnose and solve complex, cross-service performance issues in distributed systems. Excellent communication skills (verbal and written) with the ability to articulate complex technical ideas clearly and effectively.