2mo
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Performance Engineer, Inference Systems
San Francisco or New York City or Seattle
$350k-$850k/yr OnsiteFull Time
Hands-on performance engineering with Python, data analysis, and cross-layer investigations; strong communication of quantitative results.
Python, SQL, Pandas
1w
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Building Performance Engineer
Renton, Washington, United States
$66k-$106k/yr OnsiteFull Time
Bachelor’s in Engineering or equivalent, knowledge of building mechanical systems, DDC control theory, energy management, M&V, monitoring-based commissioning, and ability to perform field work and site assessments.
FDD, DDC
5d
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Senior Performance Engineer - DGX Cloud
Santa Clara or Austin or Redmond or Oregon or Washington
$224k-$431k/yr HybridFull Time
12+ YOE12+ years experience; BS or higher in CS/CE or equivalent; strong C++ and Python skills; foundation in OS, computer architecture, distributed systems; performance engineering and profiling experience.
C++, Python, CUDA, PyTorch, JAX, XLA
2mo
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Electric Motor Performance Engineer
Everett, Washington, United States
$150k-$200k/yr OnsiteFull Time
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
2mo
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Apple Intelligence Senior Cloud Performance Engineer
Seattle, Washington, United States
OnsiteFull Time
10+ YOE10+ years as a Performance Engineer; cloud operations; data/AI; hardware/software interaction; strong communication; scripting in C/C++, Python, Swift, SQL; Shell; MS or PhD in related field
Splunk, Grafana, Prometheus, Hadoop, Spark, Snowflake, C/C++, Python, Swift, SQL, Shell
1mo
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GPU Performance Engineer
Sunnyvale or Bellevue
$120k-$160k/yr OnsiteFull Time
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
1mo
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Senior SoC Performance Verification Engineer
Raleigh or Redmond or Austin
$120k-$235k/yr HybridFull Time
1+ YOEDoctorate/MS/BS in EE/CE/CS (or equivalent) with 1/4/5+ years technical engineering experience respectively; ability to pass Microsoft Cloud Background Check and export-control screening; SoC performance verification and System Verilog/UVM, C/C++ experience preferred.
System Verilog, UVM, C, C++
2d
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Fellow Software Engineer — AI Performance & Reliability
San Jose or Bellevue
$235k-$402k/yr HybridFull Time
PhD or equivalent in AI/ML/CS, strong software engineering, experience profiling and optimizing ML models and AI workloads, proficiency in Python/C++, ML frameworks, customer-facing troubleshooting and performance analysis.
Python, C++, PyTorch, TensorFlow, JAX, ROCm, HIP, CUDA, Triton, XLA, MLIR, NCCL
1w
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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
2mo
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Project Engineer III- Business Performance Analyst
Seattle, Washington, United States
$44-$62/hr OnsiteFull Time
5+ YOEBachelor's in mechanical/electrical/architectural engineering or equivalent; 5+ years engineering design; energy modeling and data analysis skills; proficiency in Excel and visualization tools; communication and coordination skills.
IES VE, EnergyPlus, Excel, InDesign, Python, Tableau, Power BI
1mo
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Performance & Capacity Engineering - Capacity Planning Optimization
Bellevue or Menlo Park or Boston or New York
$184k-$257k/yr OnsiteFull Time
8+ YOEBachelor's in CS/CE or equivalent; 8+ years experience in performance/software/optimization; expertise designing optimization models, LP solvers (Gurobi/Xpress), distributed systems, infrastructure operations, and coding (Python, R, Java, C/C++, PHP).
Python, R, Java, C, C++, PHP, Xpress, Gurobi
1mo
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Systems Performance Lead, Sustainability Advisory
Boston or Los Angeles or Houston or Dallas or Phoenix or Miami or Bellevue or Denver
$102k-$117k/yr OnsiteFull Time
8+ YOE8+ years in energy simulation/computational design within AEC; Bachelor’s in engineering/architectural engineering (Master's preferred); professional credential (PE, AIA, BEMP) preferred; proficiency with ClimateStudio, EnergyPlus, Grasshopper/Ladybug; strong energy codes and GHG inventory experience.
ClimateStudio, EnergyPlus, Grasshopper, Ladybug, PHIUS
2mo
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Site Reliability Engineer, Frontend Performance
Seattle, Washington, United States
$167k-$204k/yr OnsiteFull Time
5+ YOE5+ years in SRE or systems performance; strong TypeScript & Java; observability and AI tooling experience; AWS/Kubernetes and Datadog a plus.
TypeScript, Java, React, Spring, Datadog, AWS, Kubernetes, CI/CD
3d
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Daylighting & Building Performance Specialist
Seattle, Washington, United States
$92k-$114k/yr HybridFull Time
3+ YOEBachelor's or Master's in architecture/building science/engineering, minimum 3 years building performance/daylighting experience, proficiency with Rhino/Grasshopper/Radiance and Ladybug/Honeybee/DIVA/ClimateStudio, knowledge of sustainable standards.
Rhino, Grasshopper, Radiance, Ladybug Tools, Honeybee, DIVA, ClimateStudio
2mo
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Sr Hardware Development Engineer, Performance, AWS Hardware Components
Seattle, Washington, United States
$159k-$215k/yr OnsiteFull Time
5+ YOEBachelor's in engineering; 5+ years HW/SW performance debugging; CPU/memory architecture experience.
2w
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Sr. Engineer II, Sensor - Sensor Performance Engineering (Hybrid)
Sunnyvale or Austin or Redmond
$160k-$250k/yr HybridFull Time
10+ YOE10+ years Windows kernel/kernel-mode or deep systems engineering; expert with WPA/xperf/ETW/WPP/ETL analysis; strong Windows kernel API knowledge; experience with large-scale performance investigations and customer escalations.
Windows Performance Analyzer (WPA), xperf, ETW, WPP, ETL, ETWReader, SQL Server, AnyConnect
1mo
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Sr. Software Engineer, High Performance Computing (Starlink)
Palo Alto or Redmond
$175k-$240k/yr OnsiteFull Time
5+ YOEBachelor's in CS/engineering/math/STEM + 5+ years software development (or 7+ years without degree); development experience in Assembly, C, or C++; experience with real-time, distributed systems, and internet services; strong communication and analytical skills.
Assembly, C, C++
2mo
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Director of Building Performance Services
Tacoma, Washington, United States
$145k-$170k/yr OnsiteFull Time
10+ YOETen+ years in building performance with engineering background; PE/CCP/LEED AP/CEA preferred; experience with CxPlanner/Bluebeam; familiarity with Washington Clean Buildings standards.
CxPlanner, Bluebeam
2mo
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Staff Software Engineer — Dynamic Tables, Performance
Bellevue, Washington, United States
$236k-$339k/yr HybridFull Time
10+ YOE10+ years building/optimizing large-scale data systems; expertise in query optimization, incremental/stream processing, or materialized view maintenance; strong CS fundamentals; proficient in C++ or Java; ability to lead multi-engineer initiatives.
C++, Java, Profiling tools, Benchmarking tools, Regression testing
1w
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Substation Engineer
San Diego or Kansas City or Seattle or New York or Portland or Houston or Saint Louis
$79k-$135k/yr OnsiteFull Time
3+ YOEBachelor's in electrical engineering, 3+ years substation design experience, knowledge of utility substation systems, ability to perform engineering calculations, strong communication and teamwork; EIT/PE credentials preferred.
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