Senior Frontend Engineer, Performance

ClickUp is a company that is architecting the future of work with a converged AI workspace. They are seeking a Senior Performance Engineer to optimize application speed, memory, and reliability, driving strategies to enhance customer experience across their platform.

Responsibilities:

• Lead root cause analysis on client performance issues and conduct post-mortems
• Profile application code to isolate inefficient algorithms, memory leaks, and other issues; recommend and implement fixes
• Set up performance monitoring, alerting, and dashboards to proactively identify and resolve client performance problems
• Analyze client traffic patterns, load testing results, and other metrics to establish benchmarks and drive improvements
• Advocate for performance best practices and set client performance standards across the engineering organization
• Identify infrastructure improvements (caching, CDNs, database optimization) to enhance client experience
• Collaborate with development teams to embed performance as a core requirement in new feature development

Requirements:

• 10+ years of experience in performance engineering or a related field
• Expertise with profiling tools for browsers and NodeJS
• Deep knowledge of performance metrics, reporting, and analysis across the full stack
• Strong analytical skills with the ability to interpret metrics, logs, and load test results
• Advanced understanding of web/mobile architectures, HTTP protocols, caching, databases, and load balancing
• Proven problem-solving skills and a passion for optimizing client experiences
• Experience optimizing SQL and databases
• Fluency in data structure and algorithm optimization