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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
1mo
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Lead Performance Web Engineer
New York or United States
HybridFull Time
Proven web performance engineering at scale, technical leadership, proficiency in JavaScript/TypeScript, deep understanding of rendering, caching, CDN strategy, observability, and measurement-driven performance optimization.
JavaScript, TypeScript, Next.js, React, V8, Core Web Vitals
3d
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Senior Ethernet Performance Engineer
Wayne or United States
RemoteFull Time
7+ YOE7+ years post-silicon validation or performance engineering for networking/HPC, strong networking protocol knowledge, Python/Shell scripting, customer-facing experience, performance analysis and debugging skills.
Python, Shell, DPDK, MPI, NCCL, RCCL
1mo
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Manufacturing Performance Engineer
Somerset or Park Ridge
$100k-$110k/yr OnsiteFull Time
Bachelor's in engineering preferred; experience with Lean Six Sigma/TPM, continuous improvement, statistical analysis, Power BI/Tableau/SQL/SAP, and leading CI projects in a manufacturing environment.
Microsoft Excel, Pivot Tables, Tableau, Microsoft Power BI, SQL, SAP, DMAIC, PDCA, SMED, FMEA, A3, Value-stream mapping, Poka-yoke
1mo
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Electrical Performance Engineer
Lawrence or Boston or New York City or Chicago
$125k-$135k/yr HybridFull Time
5+ YOEBachelors in Electrical Engineering, 5+ years EE experience, 2+ years in solar/protection relays, PE preferred; strong root-cause analysis, communication, and data-driven reliability optimization skills.
inverters, transformers, protection systems, controls, balance-of-plant equipment, OCPDs, relays, breakers, reclosers, power logic controllers, inverter logs, relay events, EMS dispatch data, waveform captures, 8D
2w
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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
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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Performance Engineer (Analyst)
Nutley, New Jersey, United States
$72k-$142k/yr HybridFull Time
3+ YOE3+ years performance engineering experience; familiarity with web performance, Core Web Vitals, CDNs, observability platforms (Datadog, Catchpoint, Akamai mPulse); scripting experience with JavaScript or Python.
Next.js, HarperDB, Akamai, Akamai mPulse, Datadog, Datadog APM, Datadog RUM, Datadog Logs, Catchpoint, Dynatrace, New Relic, JavaScript, Python, BrowserStack, Selenium, Storybook, Lighthouse, EdgeWorkers, Synthetic Monitoring
2w
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Senior Building Performance Engineer
Long Island City, New York, United States
$100k-$150k/yr HybridFull Time
5+ YOE5+ years combined experience in building systems commissioning and energy modeling; bachelor\u0002s in mechanical engineering or building science; proficiency with whole-building energy modeling; PE NY preferred or ability to obtain; strong understanding of codes and standards.
DesignBuilder, OpenStudio, IES-VE, EnergyPlus, eQuest
1w
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GPU Performance Engineer
New York City, New York, United States
$165k-$300k/yr HybridFull Time
1+ YOEExpert CUDA and GPU architecture knowledge, C++ and Python skills, BS/MS in STEM, minimum 1 year relevant experience, GPU profiling and optimization experience.
CUDA, Nsight Systems, Nsight Compute, RAPIDS, CUTLASS, cuBLAS, TensorRT, NCCL, MPI, cuDF, C++, Python
1mo
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Senior Performance Advertising Engineer
New York City or Redwood City
HybridFull Time
5+ YOE5+ years software engineering in performance advertising/programmatic bidding; expertise in attribution, MTA/LTA, low-latency pipelines, distributed data frameworks, and algorithmic ROAS optimization.
SKAdNetwork, Privacy Sandbox, RTB, OpenRTB, IDFA, GAID, App Transport Security, UID2, LiveRamp ATS, Apache Spark, Apache Flink, Kafka, Snowflake, BigQuery, Python, Go, Java, C++
3mo
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Senior Building Performance Analyst
Boston or New York or Newark or Philadelphia or Alexandria or Atlanta or Miami
$70k-$140k/yr HybridFull Time
7+ YOE7-15 years building performance analysis/engineering; BS/MS in mechanical engineering, energy systems, or architectural engineering; experience with clients.
eQuest, IES, EnergyPlus, Energy calculations
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Inference Performance Engineer
New York, New York, United States
HybridFull Time
BS in CS/EE or related field; proficiency in Rust/Go/Python/C++; knowledge of concurrency, tail latency; experience with model serving; GPU/ASIC programming; low-precision inference; profiling and benchmarking.
Rust, Go, Python, C++, vLLM, TensorRT-LLM, llama.cpp, CUDA, ROCm, Triton, TGI, SGLang, Nsight, perf
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
3d
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Senior Systems Engineer, CKS Performance
Livingston or New York City or Sunnyvale or Bellevue or San Francisco
$182k-$242k/yr OnsiteFull Time
5+ YOE5+ years Linux kernel or systems engineering experience; deep kernel internals (cgroups, namespaces, scheduler, memory); kernel crash debugging; strong C skills; experience with container runtimes and Kubernetes; upstreaming patches.
crash, gdb, kdump, containerd, runc, kubelet, CRI, eBPF, C
2mo
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Staff GenAI Engineer - Application Performance Monitoring (APM)
New York, New York, United States
$234k/yr HybridFull Time
10+ YOEBS/MS/PhD in scientific field or equivalent experience; 10+ years engineering experience; leadership in GenAI/ML initiatives; experience deploying/training/finetuning models.
Python, GenAI, ML, TensorFlow, PyTorch, Distributed Systems, Model Deployment, Data Analysis
1mo
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Performance Marketing Lead
New York City, New York, United States
HybridFull Time
7+ YOE7+ years performance user acquisition for B2C, deep Meta/Google/TikTok experience, SQL proficiency, strong analytics, CAC/ROAS/LTV ownership, creative partnership, building testing engines.
Meta, Google, TikTok, SQL
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Member of Technical Staff (Performance Engineering)
New York, New York, United States
$180k-$238k/yr HybridFull Time
5+ YOE5+ years in performance engineering; 5+ years software engineering; 1+ year cloud (GCP/AWS/Azure); strong communication; MS in Computer Science or equivalent.
GCP, AWS, Azure, Performance benchmarking, Automation tools
3w
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High Performance Computing (HPC) AI Engineer
New York, New York, United States
$101k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years relevant experience; expertise in parallel storage, SMB/NFS, Linux/UNIX and bash, networking (Ethernet, Infiniband, fiber channel), scripting (Bash, Python, Lua), and HPC/AI optimization.
Linux/UNIX, Bash, Python, Lua, SMB, NFS, Infiniband, fiber channel, UltraViolet
1mo
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Senior Quality Engineer, Performance and Analytics
New York City or Reno or San Ramon
$114k-$142k/yr HybridFull Time
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
3w
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Lead Mainframe zOS Security & Performance SRE
Cary or New York or Tampa or Bridgewater or Clarks Summit or Greenville
$111k-$180k/yr HybridFull Time
7+ YOEBachelor's degree or equivalent,7+ years mainframe engineering experience,expertise in IBM z/OS,WLM,RACF;mainframe modernization and leadership experience;strong stakeholder and communication skills.
IBM z/OS, WLM, RACF, zLinux, OpenShift, RedHat Ansible for IBM Z Collections, Ansible, Python, SMF, RMF, Metro Mirror, Global Mirror
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