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28 performance modeling engineer jobs at 20 companies in Seattle, WA

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SystemC Modeling Developer
Redmond, Washington, United States
$80k-$120k/yr RemoteFull Time
UST
UST: Global provider of digital transformation and IT services.
8+ YOE8+ years in SystemC/TLM modeling, pre-silicon simulation, or architectural modeling; strong C/C++, computer architecture, performance analysis, and debugging skills; bachelor's or master's degree required.
SystemC, TLM2.0, C, C++, Synopsys Virtualizer, Cadence VSP, QEMU, SystemVerilog, PCIe, CXL, NVMe, Ethernet, BIOS, RTL
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3mo
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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
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3w
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Fellow Software Engineer — AI Performance & Reliability
San Jose or Bellevue
$235k-$402k/yr HybridFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
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
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1mo
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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
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1mo
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Principal Performance Architect
Mountain View or Austin or Raleigh or Hillsboro or Redmond
$143k-$275k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
3+ YOEAdvanced degree in EE/CE/CS or equivalent experience, 3+ years technical engineering experience (depending on degree), experience with performance modeling and SoC architecture, strong Python/C/C++ skills, ability to pass security and export-control screening.
Python, C, C++
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2w
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Mechanical Design Engineer: Robotics Simulation and Modeling
Redmond, Washington, United States
$173k-$245k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
7+ YOEBS in Mechanical Engineering,7+ years FEA and kinematics/dynamics experience in robotics or related high-performance electromechanical products; proficiency with FEA toolsets, modal and drop/shock analysis, and kinematic modeling.
Abaqus, ANSYS, Comsol, Nastran, MATLAB, Python, ROS, Pinocchio, Drake, Teamcenter, Solidworks PDM, Windchill, SolidWorks, NX, CREO, Rhino
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3mo
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Senior Performance Architect, Nemotron
Santa Clara or Redmond or Hillsboro
$152k-$288k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
3+ YOEMaster's (or equivalent) in CS/EE, 3+ years in system evaluation or performance modeling for AI/ML, strong computer-architecture and statistical analysis skills, ML fundamentals, Python (C++ optional), and experience with PyTorch and related frameworks.
Python, C++, PyTorch, TRT-LLM, VLLM, SGLang, CUDA
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2mo
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Senior Deep Learning Performance Architect
Santa Clara or Redmond
$184k-$357k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
6+ YOEMS or PhD in CS/CE/EE (or equivalent), 6+ years relevant experience, strong GPU/ASIC architecture background, performance modeling and simulation experience, deep learning knowledge, and programming in Python/C/C++.
Python, C, C++, PyTorch, JAX, TensorRT
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6h
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Practice Lead | High Performance
Seattle, Washington, United States
$145k-$165k/yr RemoteFull Time
Windsor Engineers
Windsor Engineers: Multi-disciplinary engineering services for buildings and infrastructure systems.
10+ YOEBachelor’s degree in Mechanical Engineering or equivalent experience, PE licensure, and 10+ years in MEP design. Requires HVAC design, communication, leadership, and energy modeling expertise.
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Staff Propulsion Engineer
Seattle or Durango or Mount Pleasant or Tulsa
$144k-$200k/yr HybridFull Time
Agile Space Industries
Agile Space Industries: Designs and manufactures in-space chemical propulsion systems for spacecraft.
12+ YOEM.S. or equivalent experience; 12+ years developing propulsion systems with expertise in fluid dynamics, heat transfer, combustion, hypergolic propulsion, performance modeling, testing, and mentorship.
TDK, SolidWorks, CFD, FEA, ANSYS, MATLAB/Simulink, JANNAF
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1mo
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Lead Software Engineer
Bellevue, Washington, United States
$173k-$260k/yr OnsiteFull Time
Salesforce
SalesforceNYSE: CRM: Provides cloud-based customer relationship management and analytics software.
10+ YOE10+ years enterprise engineering experience; expertise with LLMs and generative AI, distributed systems, Python or Java, evaluation of ML model performance, and DevOps/infrastructure practices.
Python, Java, LLMs
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1w
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Engineer
Seattle, Washington, United States
$80k-$90k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOERequires expert IBM DataStage and IBM Cloud Pak for Data experience, advanced SQL, ETL development, data warehousing, data modeling, migration, performance tuning, and Unix/Linux shell scripting.
IBM DataStage, IBM Cloud Pak for Data (CP4D), SQL, Unix/Linux Shell Scripting, AutoSys, Control-M, DevOps
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4w
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Principal Machine Learning Engineer
Nashville or Seattle or Santa Clara or Austin or United States
$126k-$264k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
6+ YOERequires 6–10+ years of experience developing and productionizing machine learning models, automating ML workflows, monitoring model performance, writing code, and integrating models into software systems.
PyTorch, TensorFlow, Keras
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2mo
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Software Engineer
San Francisco or Seattle
$140k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provider of e-signature and intelligent agreement management software.
5+ YOE5+ years building distributed systems and scalable backend services; production ML model deployment; Python plus a strongly-typed language; container orchestration, messaging systems, and high-performance database design; BS/MS in CS preferred.
Python, Java, Go, C#, Kubernetes, Kafka, Temporal, Ray, Spark, Azure, GCP
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1mo
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Software Engineer - ML Model Training
Livingston or New York City or San Francisco or Sunnyvale or Bellevue
$182k-$242k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Specialized cloud infrastructure provider for high-performance AI workloads.
Experienced front-end engineer with strong JavaScript/TypeScript and React skills, visualization and performance engineering experience for large datasets, familiarity with Canvas/WebGL or charting libraries, and strong communication and collaboration skills. Export-control eligibility (US person or eligible) required.
JavaScript, TypeScript, React, Canvas, WebGL, React-vis, uPlot
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2mo
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Product Manager, Claude Code Model Performance
San Francisco or Seattle
$305k-$460k/yr HybridFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
2+ YOE2+ years product management or equivalent engineering experience; experience building agentic evals; deep grasp of AI, model behavior, and evaluation; daily Claude Code user; Bachelor's degree or equivalent.
Claude Code, SWE-bench
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Machine Learning Engineer II
Seattle or Los Angeles or Irvine
$159k-$255k/yr HybridFull Time
Esri
Esri: Global leader in geographic information system (GIS) software.
3+ YOE3+ years Python and SQL experience, ML for time series/quantitative modeling, full-stack ML (ETL→training→deployment), strong CS fundamentals, backtesting/quant finance or high-performance computing, AWS experience preferred.
Python, SQL, AWS, S3, ECS, EKS, Lambda
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2w
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Sr. IT Application Security Engineer
Kirkland or San Jose
$120k-$150k/yr OnsiteFull Time
Monolithic Power Systems
Monolithic Power SystemsNasdaq: MPWR: Provides energy-efficient integrated power semiconductor solutions for electronics.
3+ YOEDesign and manage application security and RBAC for Dynamics 365, Azure, and IFS; perform assessments, code reviews, threat modeling; 3+ years application security experience; bachelor\u0002s or equivalent; security certs a plus.
Microsoft Dynamics 365, Azure Active Directory, IFS ERP, PowerShell, Python, SAST, DAST, CI/CD, OWASP, NIST, ISO 27001
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1mo
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Senior/Staff Software Engineer - Machine Learning & System Optimization
Foster City or Boston or Seattle
$226k-$307k/yr HybridFull Time
Zoox
ZooxNASDAQ: AMZN: Developing autonomous robotaxis for urban ride-hailing services.
Expertise compressing, accelerating, and deploying large-scale ML models on power/thermal-constrained vehicle SoCs; production C++/CUDA/Python development; TensorRT and quantization (PTQ/QAT) experience; real-time system and performance optimization.
TensorRT, CUDA, C++, Python, TensorRT-LLM, LoRA, QLoRA
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2mo
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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.
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