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1,567 performance engineer jobs at 516 companies in Concord, CA

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Performance Engineer
San Jose, California, United States
$135k-$170k/yr OnsiteFull Time
Astera Labs
Astera LabsNASDAQ: ALAB: Designs connectivity solutions for cloud and AI infrastructure.
2+ YOEBachelor's in engineering/computer science, experience benchmarking and characterizing GPU cluster performance, proficiency with performance tooling and scripting (Python); strong systems and networking knowledge.
NVBandwidth, NCCL, Confluence, CUDA, MPI, Python, COSMOS, NVLink, PCIe, Ethernet, UALink, UEC
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2mo
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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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1mo
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Algorithm Performance Engineer
San Jose, California, United States
$95k/yr OnsiteFull Time
Visionix
Visionix: Manufactures and distributes ophthalmic diagnostic and lens finishing systems.
Bachelor's in health information & data science, biomedical engineering, or related field; responsibilities include performance verification, debugging, prototype development, and supporting clinical validation under SOP and GCP standards.
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3w
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Senior Performance Engineer
San Jose, California, United States
$138k-$206k/yr OnsiteFull Time
Samsung Semiconductor
Samsung SemiconductorKorea Exchange: 005930: Designs and manufactures memory chips, processors, and sensors.
0+ YOEAdvanced degree in CS/CE/EE or equivalent experience; strong LLM systems and NVIDIA GPU performance knowledge; experience profiling AI workloads with Nsight tools; proficiency in Python and C++; experience with PyTorch, DeepSpeed, Ray, or similar.
Nsight Systems, Nsight Compute, Python, C++, PyTorch, vLLM, SGLang, TensorRT-LLM, DeepSpeed, Ray, Megatron-LM
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3mo
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HPC & AI Senior Performance Engineer
Bloomington or Spring or San Jose
$120k-$275k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
7+ YOEMaster’s or PhD in CS/engineering/math; 7+ years HPC performance analysis; strong communication; US citizenship.
OpenMP, MPI, CUDA, HIP, NCCL/RCCL, HPL, HPCG, OSU-MPI, Performance profiling tools, GPU architectures, Multiprocessor, CPU/GPU
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2mo
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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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1w
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CoDesign & NextGen Performance Engineer
Sunnyvale or Toronto
OnsiteFull Time
Cerebras Systems
Cerebras SystemsNasdaq: CBRS: Manufactures specialized computer chips designed for AI.
3+ YOE3+ years experience in computer architecture/performance, strong analytical skills, low-level deep learning math exposure, experience with simulators, kernel optimization, and performance profiling; comfortable with C++ and Python.
C++, Python
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1mo
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Performance Verification Engineer
Mountain View, California, United States
$200k-$350k/yr OnsiteFull Time
DensityAI
DensityAI: Designing custom AI hardware accelerators for large language models.
8+ YOEMaster's degree plus ~8 years experience in performance validation/verification of complex SoCs, performance modeling, debugging and correlation, tool-flow ownership, and collaboration with RTL designers and architects.
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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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3mo
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Sr Performance Validation Engineer
Sunnyvale, California, United States
$183k-$248k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
7+ YOE7+ years in UVM/C/SystemC and scripting; pre-silicon validation for SoCs/processors; BS in electrical/computer engineering; proficiency with RTL simulators, emulation, and performance tools.
RTL simulators, Emulation platforms, Performance analysis tools, Python, C/C++, SystemVerilog, VCS, Questa, Xcelium, Palladium, Zebu
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2mo
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Performance Engineer
Palo Alto, California, United States
OnsiteFull Time
RadixArk
RadixArk: Building scalable open-source infrastructure for AI training and inference.
Strong systems engineering in performance-critical software; GPU/distributed systems; profiling tools; Python and C++; CUDA/Triton/ROCm/XLA familiarity; LLM inference concepts; ability to debug across software, hardware, and infra layers; strong communication.
CUDA, Triton, Pallas, ROCm, XLA, Python, C++
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2mo
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Brake Performance Engineer
Foster City or Irvine
$115k-$130k/yr OnsiteFull Time
ALTEN
ALTENEuronext Paris: ATE: Provides engineering and technology consulting services to industrial clients.
5+ YOEBS or MS in Mechanical, Electrical, or Automotive Engineering; 5-8 years brake development/vehicle testing; strong braking system knowledge; travel within continental US.
CANalyzer, INCA, MDA, MATLAB/Simulink, Racelogic Vbox
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3w
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SSD Performance Analysis Engineer
San Jose, California, United States
$90k-$100k/yr OnsiteFull Time
SK hynix Memory Solutions America
SK hynix Memory Solutions AmericaKorea Exchange: 000660: Develops semiconductor controllers and firmware for enterprise data storage.
2+ YOEMaster's in Computer Science/Electrical Engineering or equivalent; 2+ years hands-on SSD experience; proficiency with Python and C/C++; ability to design and execute SSD performance test plans and analyze results.
Python, C, C++
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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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2mo
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Product Performance Engineer
San Jose, California, United States
$120k-$300k/yr OnsiteFull Time
Hark
Hark: Independent AI focused on multimodal intelligent systems
5+ YOE5+ years analyzing workload behavior and modeling system performance; BS in CS/EE; profiling/benchmarking/tracing tools; Python and systems language experience; translate analytics into architectural recommendations.
Python, C++, Rust, Profiling Tools, Benchmarking Tools, Tracing Tools
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2w
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Senior Performance Engineer - Apple Frameworks
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Analyze system and UI architecture, establish performance baselines, diagnose and resolve complex performance issues, and build regression-prevention mechanisms.
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3w
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Performance Library Engineer
San Jose or Pittsburgh
$130k-$230k/yr OnsiteFull Time
Efficient Computer
Efficient Computer: Developing ultra-low-power general-purpose processors for edge AI computing.
5+ YOE5+ years experience developing low-level C/C++ libraries for performance on hardware; experience with at least two RISC/DSP/GPU platforms, CUDA or HIP, profiling/benchmarking, EM/real-time library design, strong communication, and a Bachelor's in a technical field.
CUDA, HIP, PTX, LLVM IR, MLIR, C, C++
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3mo
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HPC & AI Senior Performance Engineer
San Jose or Bloomington
$120k-$275k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
7+ YOEMaster’s or PhD in CS/engineering/math; 7+ years HPC performance experience; strong analytical, communication skills; US citizenship.
OpenMP, MPI, CUDA, HIP, HPL, HPCG, NCCL, RCCL, Performance profiling tools
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3mo
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Performance Engineer
San Jose, California, United States
$175k-$275k/yr OnsiteFull Time
Etched
Etched: Designs specialized AI chips optimized for transformer architectures.
Develop performance models for transformer architectures; profile DL workloads; optimize HW/SW co-design.
gem5, CUDA, GPUs, FPGA, CGRA
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3mo
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AI Systems Performance Engineer
San Jose, California, United States
$141k-$226k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
12+ YOESenior AI fabric performance engineer with Linux, Python/C++, ML frameworks, and Ethernet fabric optimization; 12+ years experience.
Linux, Python, C++, PyTorch, NCCL, MLPerf, RDMA, RoCEv2, Docker, Kubernetes
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