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550 performance engineer jobs at 330 companies in Vacaville, CA

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Performance Engineer, Inference Systems
San Francisco or New York City or Seattle
$350k-$850k/yr OnsiteFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
Hands-on performance engineering with Python, data analysis, and cross-layer investigations; strong communication of quantitative results.
Python, SQL, Pandas
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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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3mo
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Performance Modeling Engineer ~2
San Francisco or Seattle
$266k-$445k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
1+ YOE1-2 years in software engineering or performance modeling; strong programming; knowledge of system architecture; able to work across hardware and software teams.
Python, Simulation tools, Modeling frameworks
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1w
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Operations Performance Engineer
San Francisco or New York City or Denver or Austin or Calgary or Toronto
$189k-$202k/yr RemoteFull Time
Intersect
IntersectNASDAQ: GOOGL: Develops-located data centers and renewable energy infrastructure.
5+ YOEBachelor's in engineering,5–10 years supporting utility-scale solar/BESS or grid operations,ERCOT market and telemetry knowledge,SCADA/EMS experience,Power Factors experience,site visit capability.
Power Factors, SCADA, Energy Management Systems (EMS), OSIsoft PI, Tesla Megapack
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1w
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Senior Performance Engineer
San Francisco, California, United States
$170k-$205k/yr OnsiteFull Time
Crusoe
Crusoe: Provides energy-efficient cloud infrastructure powered by stranded and renewable energy.
Expertise in Linux kernel systems, low-level optimization, performance benchmarking, and high-performance coding in Go/C/C++/Rust. Bachelor's degree or equivalent experience and cross-functional collaboration skills.
Go, C, C++, Rust, Linux
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3w
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Attitude Guidance & Performance Engineer
San Francisco or Golden or Toulouse
$130k-$190k/yr HybridFull Time
Loft Orbital
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
5+ YOE5+ years experience in attitude control or guidance engineering; strong communication and organizational skills; hands-on, able to diagnose ADCS anomalies; extensive knowledge of Python.
Python
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ML Systems & Performance Engineer
San Francisco, California, United States
OnsiteFull Time
Engram
Engram: Developing persistent memory layers for enterprise AI systems.
5+ YOE5+ years building training/inference systems; strong engineering skills; experience with ML frameworks, GPUs, distributed systems; bachelor's degree or equivalent experience.
PyTorch, JAX, GPUs
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Lead/Principal Performance Engineer
San Francisco, California, United States
$208k-$345k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
10+ YOE10+ years software engineering experience; expert Java/JVM performance tuning and GC; experience with Python, C, or Ruby on Rails; database tuning, automation, and scale testing; strong communication and mentoring skills.
Java, Java Virtual Machine (JVM), Garbage Collection (GC), Python, C, Ruby on Rails, Apache Kafka, Apache Cassandra, Apache Spark, Application Programming Interface (API)
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3mo
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GPU Performance Engineer, Platform Architecture
Austin or Boston or San Francisco or San Diego
HybridFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
3+ YOEBachelor’s degree; 3+ years in GPU/CPU modeling; strong C++; Python or Ruby; experience with data analysis tools.
C++, Python, Ruby, Tableau, Pandas, Excel, Matplotlib
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Member of Technical Staff, TPU & AMD GPU Performance Engineering
San Francisco, California, United States
$200k-$400k/yr OnsiteFull Time
Inferact
Inferact: An AI infrastructure building a production-grade inference engine and hardware backends to make model inference faster and cheaper.
Bachelor's or equivalent experience in CS/engineering; hands-on AMD GPU/TPU optimization; experience with ROCm/HIP/Triton, XLA/JAX/Pallas; strong profiling, benchmarking, and cross-platform performance skills.
vLLM, ROCm, HIP, Triton, CK, AITER, TPU, XLA, JAX, Pallas, SGLang, TensorRT-LLM, ATOM, MLIR, LLVM, PyTorch
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Sr. Engineer, Performance Infrastructure
Austin or San Francisco
HybridFull Time
Tenstorrent
Tenstorrent: Designs and manufactures AI processors and RISC-V CPU solutions.
Proficient in C++ and Python; experience with CPU performance analysis, verification, and RTL debugging; familiarity with pre-silicon and post-silicon workflows; strong problem-solving and automation skills.
C++, Python, RTL, simulation, emulation, compilation tools
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2mo
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AI Engineer - Model Performance
San Francisco, California, United States
HybridFull Time
Fathom
Fathom: AI assistant for recording, transcribing, and summarizing virtual meetings.
Deep experience with LLM serving frameworks, quantization, and production fine-tuning; strong Python and GPU performance analysis.
Python, PyTorch, vLLM, SGLang, TensorRT-LLM, LoRA, QLoRA, torchtune, Axolotl
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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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3mo
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Workload / Performance Model Lead
Santa Clara or Hsinchu or Austin or Berkeley
$231k-$283k/yr OnsiteFull Time
SiFive
SiFive: Designs and licenses high-performance RISC-V processor intellectual property.
10+ YOELead benchmarking and performance infrastructure; 10+ years in performance simulation tools; MS/PhD in CS or Computer Architecture; strong OO and DES skills.
C++, Python, Unix, DES, simulation tools, version control (git)
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Product, Performance Marketing
San Francisco or United States
HybridFull Time
Valid
Valid: AI-native advertising agency automating campaign management and creative production.
7+ YOE7+ years performance marketing experience; managing $500k+/month ad spend across Meta, TikTok, and Google; client-facing senior POC; strong analytics and statistical skills; experience hiring/managing marketers; product / engineering collaboration.
Meta, TikTok, Google, SKAN
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Senior Quality Engineer, Performance and Analytics
New York City or Reno or San Ramon
$114k-$142k/yr HybridFull Time
Ridgeline
Ridgeline: Cloud-native platform for investment management operations.
5+ YOE5+ years in quality engineering for SaaS; experience validating performance analytics (TWR, Brinson, P&L), APIs, databases, cloud platforms, automated testing, and collaborating with product and engineering teams. Must be U.S. work authorized.
Claude Code, Cursor, GitHub Copilot, ChatGPT, SQL, OLAP, Columnar, AWS, Azure, Google Cloud, APIs, databases, ETL
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1w
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Process and Thermal Performance Intern
Alameda or Florida
$35-$45/hr HybridInternship
Rondo Energy
Rondo Energy: Manufactures thermal batteries for industrial zero-carbon heat delivery.
Pursuing Bachelor's or Master's in Mechanical/Chemical engineering, coursework in thermodynamics/fluid mechanics/heat transfer, familiarity with 1D thermal-fluid analysis and simulation tools, strong math and communication skills.
AFT, Ebsilon, Aspen, MATLAB, Aspen Plus/HYSYS, CFD, FEA
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Software Engineer, High Performance Computing
San Francisco, California, United States
$150k-$250k/yr HybridFull Time
Eventual
Eventual: Distributed data engine for processing multimodal AI datasets.
Systems-level performance expertise with OS and I/O, strong in Rust/C++/C, experience with NVMe/PCIe/NVLink, profiling and optimization, familiarity with CUDA/SLURM/Kubernetes preferred.
Databricks, Snowflake, Rust, C++, C, CUDA, SLURM, Kubernetes, io_uring, PyAV, decord, NVDEC, DALI, PyTorch DataLoader, GPU-Direct Storage, NVMe, NVLink, PCIe
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Principal Engineer, iOS Performance
San Francisco, California, United States
$233k-$326k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
10+ YOE10+ years software development; 5+ years iOS app design/implementation; experience leading large iOS teams; Swift/SwiftUI; cross-functional collaboration; BS or higher in CS or related field.
Swift, SwiftUI, Structured Concurrency, iOS development frameworks
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3mo
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Senior / Staff Software Engineer, High-Performance Onboard Algorithms
Toronto or San Francisco or Dallas or Pittsburgh
$148k-$260k/yr HybridFull Time
Waabi
Waabi: Develops Physical AI for autonomous trucking and robotaxis.
Design, implement, and optimize high-performance onboard sensor algorithms for autonomous driving; collaborate with engineers; experience in C++/Rust and parallel computing.
C++, Rust, CUDA, Vulkan, OpenCL, Halide, Taichi, Mojo, Warp, SSE/AVX, NEON/SVE
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