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25 performance modeling engineer jobs at 24 companies in Napa, CA

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AI Performance Modeling Engineer
Burlingame, California, United States
$180k-$225k/yr HybridFull Time
Quadric
Quadric: Designing licensable processor IP for on-device AI inference.
Strong Python and quantitative modeling skills; computer architecture knowledge; technical writing ability; AI inference or performance modeling expertise; BS, MS, PhD, or equivalent practical experience.
Python, C++, CUDA, Triton, gem5, Timeloop, MAESTRO, Accel-Sim
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2w
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SystemC Modeling Developer (Remote)
San Francisco, California, United States
RemoteFull Time
UST
UST: Global provider of digital transformation and IT services.
5+ YOEBachelor's or master's degree in a related field and 5+ years in SystemC/TLM, C/C++, computer architecture, pre-silicon simulation, virtual platforms, performance modeling, and debugging.
SystemC, TLM2.0, C, C++, ARM, BIOS, Synopsys Virtualizer, Cadence VSP, QEMU
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3mo
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Founding Engineer - ML Performance
San Francisco, California, United States
$250k-$395k/yr RemoteFull Time
uRun
uRun: Infrastructure cloud for interactive, stateful AI inference.
Hands-on CUDA, GPU optimization, and large-scale model inference experience; strong systems and performance engineering skills.
CUDA, GPU, NCCL, PyTorch, Triton, TensorRT, CUDA kernels
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PV Performance Engineer
San Francisco or New York City or Denver or Austin or Calgary or Toronto
$189k-$205k/yr RemoteFull Time
Intersect
IntersectNASDAQ: GOOGL: Develops-located data centers and renewable energy infrastructure.
4+ YOEBachelor's or Master's in engineering,4+ years PV/utility-scale solar experience,ASTM E2848 capacity testing expertise,advanced PV energy modeling,DC collection system knowledge,strong analysis and communication.
ASTM E2848
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Building Performance Analyst
Los Angeles or Riverside or Sacramento or San Diego
$93k-$144k/yr HybridFull Time
DLR Group
DLR Group: Integrated design firm providing architecture, engineering, and planning services.
6+ YOEBachelor's degree, 6+ years energy modeling/building performance analysis, 1 year IES Virtual Environment experience, Revit proficiency, familiarity with ASHRAE standards, and strong reporting and design communication skills.
Integrated Environmental Solutions Virtual Environment, Revit, Ladybug, Honeybee
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Senior Engineer, ATS Performance Testing and Analysis
Danville or San Ramon
$122k-$194k/yr OnsiteFull Time
PG&E
PG&ENYSE: PCG: Provides natural gas and electric service in California.
5+ YOEBachelor's degree in engineering and 5 years of related experience required. Desired expertise includes thermal analysis, equipment testing, energy modeling, LabVIEW, Python, MATLAB, and a professional engineer license.
EnergyPro, LabVIEW, Python, MATLAB
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3w
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Staff Software Engineer, Performance and Kernel, DeepMind
Mountain View or Zürich or New York City or San Francisco
$207k-$300k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
8+ YOEBachelor's or equivalent,8 years software development,5 years testing and product launches,5 years performance modeling and Linux Kernel development,3 years software design.
Linux Kernel
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J16853 Concrete Detailer Sr. VDC Engineer
Sacramento, California, United States
$81k-$125k/yr OnsiteFull Time
Swinerton
Swinerton: National commercial construction firm providing building and management services.
1+ YOE1-3 years design/engineering/construction experience; bachelor’s degree or concrete field experience; knowledge of BIM and Revit; ability to read plans, perform constructability reviews, and support VDC/model setup and field coordination.
BIM, Revit
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1w
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Senior Machine Learning Engineer
San Francisco, California, United States
OnsiteFull Time
Petra Security
Petra Security: AI-powered identity threat detection for Microsoft 365 environments.
4+ YOE4+ years of machine learning engineering experience shipping production models; quantitative fundamentals, production-grade coding, and experience with streaming pipelines, feature stores, high-performance databases, and distributed systems.
Node, TypeScript, React, Python
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1mo
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Machine Learning Engineer, Speech/Audio
San Francisco or Toronto or Memphis
RemoteFull Time
Attention Labs
Attention Labs: Building the engagement control layer for voice AI.
Applied machine learning experience with audio, speech, or signal-heavy models; production model ownership; PyTorch proficiency; and understanding of latency, memory, and model performance under load.
PyTorch
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Staff Machine Learning Engineer
California or San Francisco or Mountain View
$167k-$251k/yr RemoteFull Time
Unity
UnityNYSE: U: Provides software for creating real-time 3D interactive content.
5+ YOE5+ years in software/ML engineering with on-device or performance-critical systems; production deployment of transformer/diffusion models on-device; experience with inference runtimes, quantization, operator fusion, and GPU/compute APIs; strong Python; communication and mentoring skills.
WebGPU, WebNN, WGSL, Metal, Vulkan, SPIR-V, CUDA, ONNX Runtime Web, ONNX Runtime, Transformers.js, WebLLM, TensorFlow.js, CoreML, TFLite, ExecuTorch, Chrome, Dawn, PIX, Instruments, Snapdragon Profiler, Nsight, RenderDoc, Python, TypeScript, JavaScript, MLIR, TVM, IREE, XLA, C++, Objective-C, Swift
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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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Principal Physics Programmer, C++ (Modeling & Simulation)
San Francisco, California, United States
HybridFull Time
Code Metal
Code Metal: Verifiable AI-powered code translation for mission-critical industries.
8+ YOE8+ years professional C++ development building performance-critical real-time systems; experience with game-engine or engine-level systems, data-oriented design, concurrency, profiling, and optimization; eligibility for Secret clearance.
C++, SIMD, GPU, HLA, DIS, AFSIM
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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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2mo
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Technical Support Engineer
San Francisco or New York City or London or Sydney
$90k-$125k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
2+ YOEBachelor's in a technical field required, 2+ years in a customer-facing technical role, strong SQL proficiency and query performance troubleshooting, data modeling and visualization skills, experience supporting cloud services preferred.
SQL, Snowflake, Redshift, BigQuery, GCP, AWS, Python
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3mo
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AI/ML Infrastructure Engineer
San Francisco, California, United States
OnsiteFull Time
Zensors
Zensors: AI platform that turns existing cameras into intelligent sensors.
BS/MS/PhD in CS or EE; strong C/C++ and Python; model optimization, quantization, pruning; GPU performance tuning; profiling tools; cross-functional collaboration.
C/C++, Python, Nsight Systems, Nsight Compute, PyTorch, CUDA, TensorRT, NVIDIA DeepStream, DALI, FFmpeg, TVM, MLIR, ONNX Runtime, Triton
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3mo
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Senior Full-Stack Senior Engineer (Front-End Leaning)
Toronto or San Francisco or New York City or Montreal or London or Paris or Seoul or Germany or United Kingdom or Canada or United States or Europe
RemoteFull Time
Cohere
Cohere: Provides enterprise-grade large language models and AI software platforms.
Proven experience shipping full-stack production code (Python and React), building performant client- or server-side RAG/agentic applications, strong coding and product thinking, and experience productionizing models under strict security/privacy constraints.
Python, React, GitHub, North
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2mo
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Member of Technical Staff (Software Engineer, Storage Platform)
San Francisco or New York City or Palo Alto
$220k-$405k/yr OnsiteFull Time
Perplexity
Perplexity: AI-powered search engine providing conversational answers with citations.
5+ YOE5+ years building and operating large-scale backend or infrastructure systems; deep experience with at least one major database (Postgres, MySQL, DynamoDB, Cassandra); strong distributed systems, data modeling, and performance optimization skills; proficiency in Go, Rust, or Python; experience owning services end-to-end including on-call.
Postgres, MySQL, DynamoDB, Cassandra, Go, Rust, Python
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2mo
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Member of Technical Staff, Inference
San Francisco, California, United States
OnsiteFull Time
Radical Numerics
Radical Numerics: Building general biological intelligence models for scientific discovery.
Deep expertise in large-model inference, GPU performance engineering, kernel development (CUDA/Triton), Python and PyTorch, distributed systems, and production model deployment.
CUDA, Triton, Python, PyTorch, vLLM, TensorRT-LLM, SGLang, DeepSpeed
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