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# Performance Engineer (Frontend Focus)

- **Company:** Capgemini
- **Location:** Jersey City, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Azure, Cloud Computing, Profiling, Databases, Amazon DynamoDB, Apache JMeter, NoSQL, Site Reliability Engineering Practices, SQL Databases, Web Usability, Datadog, Link Control Protocol, System Availability, Grafana, Gatling, Caching, Scalability Testing, AWS ECS, Front End Software Development, Functional Programming, Cloudwatch, Api Gateway, Splunk, New Relic (SaaS), Appdynamics, Dynatrace, Network Optimization
- **Published:** August 19, 2026
- **Apply:** https://www.dice.com/job-detail/acbf82b8-34ac-4469-b4ac-88157e140d9d

## About the Role

* Strong knowledge of RUM and APM tools - AppDynamics (preferred), New Relic, Datadog.
 * Hands-on experience with Cloud platforms (AWS - ECS/EKS, Lambda, DynamoDB, CloudWatch, API Gateway, ALB; Azure).
 * Expertise in SQL/NoSQL databases and caching strategies.
 * Solid understanding of Core Web Vitals, browser performance, rendering pipelines, and CDN optimization.
 * Proficiency with frontend profiling tools (Lighthouse, Chrome DevTools).
 * Strong experience in performance scripting (JMeter, K6, Gatling).
 * Dashboarding and monitoring skills with AppDynamics, Quantum Metrics, ELK, Grafana.

## Description

* Ensure high availability and resilience of services, applying SRE practices (SLI/SLO/SLA definitions, error budgets, toil reduction).
 * Identify and resolve systemic reliability issues through architectural improvements.
 * Develop and enhance observability dashboards using AppDynamics, Grafana, ELK, Splunk, OpenTelemetry.
 * Establish performance KPIs, monitor trends, and set proactive alerting mechanisms.
 * Implement distributed tracing and full-stack performance visibility.
 * Improve frontend performance and Core Web Vitals (LCP, FID, CLS, INP) through network optimization, resource compression, and rendering improvements.
 * Conduct end-to-end performance analysis across application, database, infrastructure, and cloud layers.
 * Perform load, stress, soak, and scalability testing using JMeter, Gatling, K6.


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