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Performance Engineer (Frontend Focus)

Jersey City, NJ, US • Posted 30+ days ago • Updated 15 hours ago

Contract Corp To Corp

Contract W2

2 Years

No Travel Required

Able to Sponsor

On-site

Depends on Experience

Fitment

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Job Details

Skills

AppDynamics
Apache JMeter
API

Summary

Performance Engineer (Frontend Focus)

Location: Onsite – New Jersey Client: Capgemini / Comcast Experience: 10+ Years

Role Overview

We are seeking a seasoned Performance Engineer with a strong focus on frontend performance engineering. Experience with SRE principles is highly preferable. The ideal candidate will drive service reliability, optimize frontend performance, and enhance observability across enterprise applications using modern monitoring and profiling tools.

Key Responsibilities

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 fullstack performance visibility.
Improve frontend performance and Core Web Vitals (LCP, FID, CLS, INP) through network optimization, resource compression, and rendering improvements.
Conduct endtoend performance analysis across application, database, infrastructure, and cloud layers.
Perform load, stress, soak, and scalability testing using JMeter, Gatling, K6.

Required Skills

Strong knowledge of RUM and APM tools – AppDynamics (preferred), New Relic, Datadog.
Handson 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.

Candidate Strengths

Frontend Performance: Strong
Performance Tuning: Very Strong
Load Testing: Very Strong
Observability: Strong
SRE Fundamentals: Preferable

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91139017
Position Id: 9059138
Posted 30+ days ago

Contact the job poster

Ganesh Kanna

Recruiter @ Proventus Metrics

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