Performance Engineering Jobs in California (NOW HIRING)

About the Role

We are seeking an Engineering Manager, Performance Engineering to lead teams focused on improving the speed, scalability, and reliability of our web and mobile platforms. This role partners closely with application, platform, and data teams to ensure performance is built into system design, development workflows, and production operations.

You will set performance strategy, guide execution across the stack, and help teams turn performance insights into measurable improvements. This role values technical depth, thoughtful leadership, and cross-team collaboration.

Key Responsibilities

• Define and evolve the performance engineering strategy, establishing multi-quarter roadmaps aligned with business and customer experience goals.
• Lead end-to-end performance architecture across applications, services, infrastructure, and cloud platforms, ensuring performance is considered at every layer.
• Establish performance standards, KPIs, and benchmarking methodologies, including latency, throughput, error rates, and user experience metrics such as Core Web Vitals.
• Guide performance engineering practices for web and mobile, including load, stress, endurance, and real-user performance testing.
• Drive frontend and backend performance improvements, supporting optimization across APIs, services, databases, caching, networking, and application code.
• Design and evolve performance tooling, including profiling, tracing, telemetry, and benchmarking frameworks that provide actionable insights.
• Embed performance into development workflows, integrating measurement and regression detection into CI/CD pipelines.
• Partner with platform, application, and data teams, ensuring performance considerations are incorporated early in architecture and design decisions.
• Analyze and resolve complex performance issues, using structured experimentation, data analysis, and systems-level debugging.
• Lead and develop performance engineering teams, providing technical guidance, mentorship, and an inclusive, collaborative environment focused on continuous improvement.

Required Qualifications

• 7+ Years of professional experience in software engineering with more focus on performance engineering, system optimization, or reliability
• 3+ Years experience in a technical leadership or engineering management role
• Strong understanding of distributed systems and performance characteristics
• Proficiency in at least one general-purpose programming language (e.g., Go, Python, TypeScript)
• Experience with performance testing, benchmarking, and monitoring tools
• Ability to analyze performance data, design experiments, and translate findings into delivered improvements
• Strong communication skills and experience collaborating across frontend, backend, and platform teams

Preferred Qualifications

• Experience operating large-scale, consumer-facing or eCommerce systems
• Familiarity with frontend performance monitoring and Core Web Vitals
• Experience integrating observability, tracing, and metrics into production systems
• Background in cloud-native architectures and distributed infrastructure
• Experience building developer-facing performance tools or frameworks
• Familiarity with open-source performance or benchmarking ecosystems

The base salary range for this position is $188,000-$235,000 per year which represents the current range for the base salary for this exempt position. Please note that actual salaries will vary based on factors including but not limited to location, experience, and performance. As such, on occasion and when applicable, there is the possibility that the final, agreed-upon base salary may be outside of the upper end of the range. Please also note the range listed is just one component of the company's total rewards package for exempt employees. Other rewards may include performance bonuses, long term incentives, a PTO policy, and many other progressive benefits.