Performance Engineer (Software Engineer Sr Lead)
FIS•Atlanta, GA
About The Position
About the Role: We are looking for a Performance Engineer to ensure our Digital One Business apps are fast, reliable, and scalable under real-world conditions. In this role, you will design and execute performance tests, analyze system behavior, identify bottlenecks, and work closely with engineering teams to improve end-to-end performance across web, mobile, and backend systems. You’ll act as both a technical expert and a performance advocate, helping teams build products that meet strict performance, scalability, and reliability standards.
Requirements
- 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
Nice To Haves
- Experience with cloud platforms
- Experience building a new performance testing strategy from the ground up
- Experience performance-testing large-scale consumer applications
- Knowledge of database performance tuning (SQL and/or NoSQL)
- Experience working in Agile or DevOps environments
Responsibilities
- 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
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
