Principal Performance Engineer

Zoom • San Jose, CA

18d • Hybrid

About The Position

Zoom is seeking a highly experienced and impactful Principal Performance Engineer to join our DevOps/SRE team. In this critical role, you will be responsible for driving the optimization of backend service performance across Zoom's expansive platform. You will work closely with development teams, providing expert guidance and hands-on contributions to ensure our se vices operate at peak efficiency and scalability. About the Team With eight specialized departments, the engineering team functions as a highly collaborative, diverse powerhouse. Each department mission is to deliver seamless and innovative communication solutions. These range from software development and machine learning to quality assurance teams that work to create and maintain Zoom's user-friendly interfaces and robust infrastructure. The team continues to push the boundaries of communication technology, bringing people together regardless of their physical distance.

Requirements

• 10+ years of experience in performance engineering, SRE, or a related field, with a dedicated focus on backend service optimization
• Guide understanding of CPU profiling, memory profiling, and other performance diagnostic techniques.
• Has the ability to select and recommend appropriate technologies and solutions to address performance challenges.
• Exhibit experience with relational databases and significant expertise in SQL query optimization and database performance tuning.
• Apply understanding of distributed systems, microservices architectures, and cloud-native environments.
• Clear understanding of one major programming language (e.g., Java, Go, Python, C++) with a deep understanding of its performance characteristics.
• Demonstrate data analysis skills, with the ability to interpret complex performance data and translate findings into actionable insights.
• Establish a proactive approach to identifying and resolving performance issues.
• Great communication and collaboration skills, with the ability to work effectively with cross-functional teams.

Responsibilities

• Leading the performance optimization efforts for critical backend services, collaborating directly with development teams to identify and resolve performance bottlenecks.
• Designing, developing, and executing comprehensive load testing strategies to simulate real-world usage patterns and uncover performance limitations.
• Conducting deep-dive CPU profiling and memory analysis to pinpoint inefficiencies within application code and underlying systems.
• Providing expert guidance on SQL query optimization, database schema design, and efficient data access patterns
• Evaluating and recommending appropriate technologies, frameworks, and architectural patterns to enhance system performance and scalability.
• Performing advanced data analysis on performance metrics, logs, and traces to identify trends, predict issues, and inform optimization strategies
• Mentoring and guide other engineers on best practices for performance engineering, profiling, and optimization
• Developing and implementing tools and processes to automate performance monitoring, analysis, and reporting.
• Staying abreast of industry trends and emerging technologies in performance engineering, SRE, and distributed systems.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees