Key skills
Performance engineeringWeb application debuggingAPM toolsSystem architectureNetwork analysisPerformance testing toolsCloud environmentsJavaScript frameworksSoft skillsJavaScriptTypeScriptAIReactAngularAWSKubernetesDynamoDBRDSPostgreSQLDatadogCDNPerformance Optimization
About this role
ClickUp is an innovative company redefining the future of work through their AI-powered workspace solutions. The Senior Performance Engineer will be responsible for ensuring the platform's speed, scalability, and reliability by conducting performance analyses, resolving bottlenecks, and collaborating with engineering teams to enhance user experience.
Responsibilities:
- Lead end-to-end performance analysis across frontend, backend, and infrastructure layers
- Profile and optimize application code, APIs, and database queries for maximum efficiency
- Investigate and resolve performance bottlenecks using observability and monitoring tools
- Collaborate with development, DevOps, and product teams to design scalable, high-performance solutions
- Build and maintain performance dashboards, metrics, and automated monitoring systems
- Conduct root cause analysis for performance incidents and drive long-term improvements
- Develop and implement strategies for continuous performance optimization and capacity planning
- Stay current with industry trends, tools, and best practices in performance engineering
Requirements:
- Strong experience with complex web application debugging, profiling, and performance optimization
- Deep understanding of browser performance traces, network analysis, and client-side profiling
- Proven background in performance engineering, including bottleneck analysis and root cause identification
- Hands-on experience with APM and observability tools (e.g., Datadog RUM, APM, DBM) for monitoring and troubleshooting
- Proficiency in analyzing and interpreting network HAR files and performance metrics
- Experience optimizing across multiple application layers (frontend, backend, API, database)
- Solid knowledge of logging, monitoring, and alerting best practices for both frontend and backend systems
- Familiarity with performance testing tools and frameworks (e.g., memlab, Chrome Dev tools)
- Strong understanding of system architecture, distributed systems, and cloud environments (AWS, Kubernetes, CDN)
- Passion for delivering a fast, stable, and scalable user experience
- Datadog RUM, APM, and DBM
- AWS, Kubernetes, CDN
- PostgreSQL, RDS/Aurora, DynamoDB
- TypeScript or any JavaScript-based framework
- Angular, React front-end software development