Senior Web Performance Engineer
Beacon Hill was founded to set a new standard in search, career placement and flexible staffing. We are looking for a Senior Web Performance Engineer to lead performance optimization for large-scale, web-based applications. This role focuses 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 for Employers and the California Fair Chance Act.
Company Profile: Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services. Learn more about Beacon Hill and our specialty divisions by visiting www.bhsg.com.
Benefits Information: Beacon Hill offers a robust benefit package including, but not limited to, medical, dental, vision, and federal and state leave programs as required by applicable agency regulations to those that meet eligibility. Upon successfully being hired, details will be provided related to our benefit offerings.