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Senior Performance Engineer in Test

Seattle, WA, us💼 Full-time🗓 2016-06-01 → 2026-07-31

Core

Designing, planning, and executing performance tests for web/mobile applications and web services to identify bottlenecks and ensure system targets.

Role type

Senior Performance Engineer in Test

Builds

Performance test plans, execution reports, and troubleshooting insights for client-facing projects.

Domain

IT Systems Integration, Software Development, Performance Engineering

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Performance test planning, performance investigation and troubleshooting, test prioritization, schedule/environment/issue management, hands-on performance testing execution, coding for test development, REST API/Soap API knowledge, SQL Server, Perfmon, VSTS/TFS, C#, Load Testing, Controller/Agents

Preferred skills

Instrumentation/APM (dynaTrace), mocking/service virtualization, insights/reporting, modeling/simulation of complex scenarios, end-to-end automation, MSMQ, NServiceBus, SOA, POS, Integration Services, App Fabric, CMS (Sitecore, Tridion), Cloud environments (VMWare, AWS, Azure), load balancers (F5, AWS), NoSQL, Fiddler/Charles Proxy, Splunk, Tableau

Responsibilities

Identify performance requirements and targets, execute performance tests, investigate and troubleshoot performance issues, share reports and insights, manage test schedules and environments

Seniority

Senior, hands-on IC

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