304 performance testing jobs at 158 companies in Seattle, WA

1mo
Save
Mark Applied
Hide
GPU Performance Engineer
Sunnyvale or Bellevue
$120k-$160k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
2+ YOE2+ years software engineering experience; proficiency in Go and/or Python; production Kubernetes experience; develop performance tests, automation, and platform tooling; participate in on-call rotation.
Go, Python, Kubernetes
2mo
Save
Mark Applied
Hide
Construction Material Testing Tech-Arlington, WA
Arlington, Washington, United States
$25-$35/hr OnsiteFull Time
Certerra
Certerra: Testing, inspection, and certification services for critical infrastructure projects.
Perform inspection and testing on construction projects; interpret plans, communicate with PMs; field testing; code familiarity; certifications preferred.
1mo
Save
Mark Applied
Hide
Fuel Development & Testing Team Manager
Bellevue, Washington, United States
$168k-$252k/yr OnsiteFull Time
TerraPower
TerraPower: Developing advanced nuclear reactor technology and medical isotopes.
8+ YOE2+ MgmtB.S. in engineering with 8+ years relevant experience, 2+ years supervisory experience, knowledge of nuclear quality programs, design control, configuration management, fuel performance modeling/testing, and strong leadership and communication skills.
2w
Save
Mark Applied
Hide
Head of Growth, Performance Video
Los Angeles or Portland or San Diego or Seattle
$150k-$170k/yr RemoteFull Time
Launch Potato
Launch Potato: Digital media operating a portfolio of consumer brands.
8+ YOE8+ years in performance marketing with 3+ years scaling video portfolios; hands-on Google/YouTube Ads execution, P&L ownership, analytical depth, creative testing, and cross-functional leadership.
Google Ads, YouTube, Google Analytics, Looker, Microsoft Excel, Google Sheets, Higgsfield, Runway, CapCut, MidJourney, Gemini, VEO3, Claude, SimilarWeb, AdBeat, Ahrefs, SpyFu, Pathmatics, Slack, Zoom
2mo
Save
Mark Applied
Hide
Electric Motor Performance Engineer
Everett, Washington, United States
$150k-$200k/yr OnsiteFull Time
magniX
magniX: Designs and manufactures electric propulsion systems for sustainable aircraft.
7+ YOEBachelor's in Electrical Engineering required; 7+ years electromagnetic modeling experience (3+ years aerospace preferred); expert in electric motor performance modeling, multi-physics simulation, and test validation; proficiency with MATLAB, Simulink, ANSYS, Motor-CAD, OptiSlang, Twin Builder.
Maxwell 2D/3D, ANSYS Workbench, ANSYS Electronics Desktop, Motor-CAD, OptiSlang, Twin Builder, MATLAB, MATLAB Simulink
1mo
Save
Mark Applied
Hide
Payments Performance Strategist, Card Authorization
San Francisco or Seattle or Chicago or New York City or Atlanta or United States
HybridFull Time
Stripe
Stripe: Provides online payment processing and financial infrastructure for businesses.
5+ YOE5+ years in payments or operations; expertise diagnosing and improving card authorization rates; ability to design A/B tests, partner with merchants, and build optimisation narratives; SQL and dashboard/reporting experience preferred.
SQL
1w
Save
Mark Applied
Hide
Engines System Balance & Performance Engineer II
Seattle or Huntsville
$99k-$139k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2+ YOEB.S. in mechanical/aerospace engineering, 2+ years engineering experience, experience modeling complex fluid systems, familiarity with numerical solvers, engine testing, and Fortran/Python/Matlab.
Python, MatLab, Fortran, ROCETS, NPSS, GFSSP, Thermal-Desktop, Agentic AI
1mo
Save
Mark Applied
Hide
HR Analyst – Performance Evaluations and Projects
Seattle, Washington, United States
$78k-$84k/yr HybridFull Time
University of Washington
University of Washington: Provides higher education and comprehensive academic healthcare services.
2+ YOEBachelor's in technology or business required; 2+ years HR analyst or project management experience; skills in requirements gathering, testing, data analysis, Workday, and Microsoft Office (advanced Excel).
Microsoft Word, Microsoft PowerPoint, Microsoft Outlook, Microsoft Visio, Microsoft Excel, Microsoft SharePoint, Microsoft Teams, Workday
4w
Save
Mark Applied
Hide
MFG Technician, Amazon Leo
Redmond, Washington, United States
$33-$36/hr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
1+ YOE1+ year manufacturing experience in a high-traceability environment or trade certification; experience with hand tools, precision measuring instruments, and test tools; able to follow work instructions, perform tests, maintain equipment, lift up to 25 lbs, and work 4x10s/overtime/weekends as needed. U.S. work-authorization required.
Calipers, multi-meters, torque wrenches, hand tools, precision measuring instruments, test tools, thermal and vacuum test equipment, data acquisition systems
2d
Save
Mark Applied
Hide
Software Development Engineer III
Bellevue, Washington, United States
$166k-$203k/yr HybridFull Time
Amex GBT
Amex GBTNYSE: GBTG: Provides travel management services and technology for businesses.
5+ YOEBachelor's in CS/IT plus 5+ years experience in object-oriented programming, RESTful services, mobile engineering (MVC/MVVM/SDUI), automated and performance/network testing; experience with Objective C or Swift.
Restful web services, MVC, MVVM, SDUI, Objective C, Swift, Performance Testing, Network Testing, Automated Testing
2mo
Save
Mark Applied
Hide
HVAC Technician
Seattle, Washington, United States
$63k-$77k/yr OnsiteFull Time
Cascadia College
Cascadia College: Public community college offering associate and bachelor's degrees.
5+ YOE5+ years HVAC and steam systems experience; journey-level HVAC mechanic or steamfitter or equivalent; skilled in diagnostic testing, repair, and maintenance of HVAC, refrigeration, and hot/chilled water systems; ability to lift up to 50 lbs and perform frequent full-body exertion.
Microsoft Office, Microsoft Outlook, automated building monitoring and control systems, drill press, grinder, bandsaw, hand drill, tester, welding equipment, soldering gun
1mo
Save
Mark Applied
Hide
Navigation Framework Software Development in Test (SDET) – Apple Maps
Seattle, Washington, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Design and build scalable test solutions and automation to improve quality, reliability, and performance of Maps across platforms; collaborate with engineers and take ownership of testing initiatives.
4w
Save
Mark Applied
Hide
Test & Balance Foreman
Seattle, Washington, United States
$65-$75/hr FieldFull Time
MacDonald-Miller Facility Solutions
MacDonald-Miller Facility Solutions: Designs and services mechanical systems for commercial buildings.
Lead TAB projects and teams, perform advanced HVAC testing/adjusting/balancing, troubleshoot system performance, ensure safety and quality, and obtain/hold TAB/NEBB-related certifications.
6d
Save
Mark Applied
Hide
Modification Electrician F&H B
Everett, Washington, United States
$27-$58/hr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOE1+ years performing electrical system testing and troubleshooting, ability to read schematics, perform wire routing/terminations, soldering, bond/ground testing, and follow safety procedures.
1mo
Save
Mark Applied
Hide
Tech, Test Lab - Days / Nights
Tacoma, Washington, United States
$25-$37/hr OnsiteFull Time
Toray Composite Materials America
Toray Composite Materials AmericaTokyo Stock Exchange: 3402: Produces advanced carbon fiber and composite materials for industry.
2+ YOELaboratory technician role performing calibration, testing, and maintenance; requires HS diploma, 2+ years lab experience or Associate degree; proficient in MS Excel/Word; export control compliance.
Laboratory equipment, Calibration equipment, Microsoft Excel, Microsoft Word
1w
Save
Mark Applied
Hide
Transportation Technician 3 - Washington State Ferries
Seattle, Washington, United States
$69k-$93k/yr FieldFull Time
Washington State Department of Ecology
Washington State Department of Ecology: Provides environmental regulation and conservation services for Washington state.
Perform field inspection and materials testing for ferry terminal construction; interpret plans; prepare field reports; valid driver’s license; experience with material testing and Microsoft Office.
Windows, Microsoft Word, Microsoft Excel, Microsoft Outlook
1mo
Save
Mark Applied
Hide
Quick Lube Technician
Olympia, Washington, United States
$18-$20/hr OnsiteFull Time
I-5 Auto Group
I-5 Auto Group: A family-owned group of automotive dealerships providing sales and service.
Ability to test and diagnose vehicle systems, perform oil changes and fluid refills, use power and hand tools, drive vehicles for testing, and lift up to 50 lbs.
power tools, machine tools, hand tools
2w
Save
Mark Applied
Hide
Senior IT Controls Analyst (GR 31)
Renton or Bellevue
$104k-$163k/yr OnsiteFull Time
PACCAR
PACCARNasdaq: PCAR: Designs and manufactures heavy-duty commercial trucks and diesel engines.
4+ YOELead IT compliance and records management, perform ITGC/ITAC testing, document audit workpapers, support SOX testing; CISA and bachelor’s degree required; 4 years IT/audit experience.
Microsoft Word, Microsoft Access, Microsoft Excel, Microsoft PowerPoint, Microsoft SharePoint, Tableau, Power Automate, SQL
3mo
Save
Mark Applied
Hide
Medical Laboratory Scientist
Bremerton, Washington, United States
OnsiteFull Time
CommonSpirit Health
CommonSpirit Health: Large non-profit healthcare system providing hospital and medical services.
Bachelor of Science in a biological or chemical science required; preferred clinical laboratory/medical laboratory certifications. Performs complex lab testing, instrument maintenance, quality control, and proficiency testing.
6d
Save
Mark Applied
Hide
Quality Control Technician
Seattle, Washington, United States
$36/hr OnsiteFull Time
Heidelberg Materials
Heidelberg MaterialsFrankfurt Stock Exchange: HEI: Manufactures and supplies cement, aggregates, and ready-mixed concrete.
Perform quality control tests on construction materials, document and report results, maintain and calibrate testing equipment, comply with safety and industry standards; ACI Field Testing Grade 1 preferred; post-offer physical, drug screen, and background check required.