Job Details

Senior Web Performance Engineer

Beacon Hill was founded to set a new standard in search, career placement, and flexible staffing. Location: Remote EST We are looking for a Senior Web Performance Engineer to lead performance optimization for large-scale, web-based applications. This rolefocuses on end-to-end performance testing and tuning across front-end, middleware, and backend services. You will design and execute performance strategies to ensure fast, scalable, and reliable web experiences.

Responsibilities:

• Define and implement performance testing strategies for web applications and APIs
• Develop and maintain performance test scripts using Java or Python for web workloads
• Conduct load, stress, and scalability testing for browser-based and API-driven traffic
• Analyze front-end performance metrics (Core Web Vitals, Lighthouse scores) and optimize rendering, caching, and resource delivery
• Profile and tune middleware components (API gateways, message brokers, application servers) for latency and throughput
• Identify bottlenecks across client-side, server-side, and network layers using APM and browser dev tools
• Collaborate with developers to optimize code, queries, and configurations for web performance
• Automate performance tests in CI/CD pipelines and integrate results into dashboards
• Establish KPIs for page load time, time-to-interactive, and API response times
• Document findings and provide actionable recommendations for improving user experience

Required Qualifications:

• 5+ years in performance engineering for web-based applications
• Strong programming skills in Java or Python for scripting and automation
• Expertise in performance testing tools (JMeter, Gatling, Locust, k6) for web and API workloads
• Deep understanding of web performance principles: HTTP/HTTPS, CDN, caching, compression, image optimization
• Familiarity with browser performance tools (Chrome DevTools, Lighthouse) and Core Web Vitals
• Experience with APM tools (New Relic, Datadog, Dynatrace) and distributed tracing
• Knowledge of middleware tuning (Tomcat/Jetty, NGINX, API gateways)
• Understanding of network latency, TLS overhead, and resource prioritization

Beacon Hill is an equal opportunity employer and individuals with disabilities and/or protected veterans are encouraged to apply. California residents: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance.