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FIS

Performance Engineer – Senior Lead

FIS

Performance Engineer focusing on ensuring fast, reliable, and scalable digital applications. Design tests, analyze results, and improve performance across systems in a collaborative environment.

Posted 4/15/2026full-timeAtlanta • Wisconsin • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies
Distributed SystemsJavaScriptMicroservices

About the role

Key responsibilities & impact
  • Design, implement, and maintain performance, load, stress, and endurance tests
  • Define and validate performance requirements, SLAs, and SLOs
  • Analyze performance test results to identify bottlenecks across application, API, database, and infrastructure layers
  • Collaborate with developers, SREs, and architects to diagnose and remediate performance issues
  • Monitor application performance in production and support root-cause analysis of performance incidents
  • Build and maintain performance testing frameworks, tools, and dashboards
  • Integrate performance testing into CI/CD pipelines
  • Establish performance baselines and track regressions over time
  • Provide actionable recommendations to improve scalability, throughput, latency, and resource utilization
  • Document findings and communicate results clearly to technical and non-technical stakeholders

Requirements

What you’ll need
  • Solid performance testing fundamentals
  • Strong NeoLoad UI experience, including managing populations, scenarios and test data management
  • Solid understanding of web and distributed systems (HTTP, APIs, microservices, caching, queues)
  • Experience analyzing system metrics (CPU, memory, disk, network, latency, throughput) and troubleshooting issues
  • Proficiency in at least one scripting language (JavaScript preferred)
  • Understands CI/CD and modern architectures
  • Good understanding of APM tools (Dynatrace, DataDog)
  • Strong analytical and problem-solving skills
  • Confident with correlation & test data
  • Experience building and maintaining dashboards

Benefits

Comp & perks
  • Health insurance
  • Retirement plans
  • Paid time off
  • Flexible work arrangements
  • Professional development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
performance testingNeoLoadscripting languageJavaScriptAPM toolsDynatraceDataDogsystem metrics analysisCI/CDdashboard development
Soft Skills
analytical skillsproblem-solving skillscollaborationcommunication