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Performance Modeling Engineer

Etched · San Jose

onsiteunknown$175,000–$370,000Posted Apr 21, 2026CUDAGPUsTPUsASICsFPGAstransformersgem5

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About this role

## About Etched Etched is building hardware for frontier intelligence. We co-design chips, racks, software, and manufacturing to deliver best-in-class throughput and latency across both prefill and decode workloads. Our first products are heavily focused on inference, backed by hundreds of millions from top-tier investors and staffed by leading engineers. ## Key Responsibilities - Develop comprehensive performance models and projections for our architecture across varying workloads and configurations - Profile and analyze deep learning workloads on our hardware to identify micro-architectural bottlenecks and influence optimization opportunities - Drive hardware/software co-optimization by identifying where architectural features can unlock performance improvements - Run regressions and validate performance models against real systems and silicon - Inform next-generation architectural decisions by pathfinding across system and silicon options during design, proof-of-concept, and architecting phases ## You Might Be a Good Fit If You Have - Strong performance modeling and analysis skills with experience building analytical-based or simulation-based performance models - Solid understanding of computer architecture and micro-architecture, particularly for accelerators - Experience profiling and analyzing deep learning workloads on hardware accelerators (GPUs, TPUs, ASICs, FPGAs, or others) - Solid software engineering fundamentals with an eye toward auditability and maintainability ## Strong Candidates May Also Have - Deep knowledge of GPU architectures and/or programming models like CUDA - Experience mapping models to multi-chip inference systems - Familiarity with transformer model architectures and inference serving optimizations - Experience with architecture simulators and performance modeling tools (gem5, trace-driven simulators, custom models) - Exposure to ASIC, FPGA, or CGRA-based accelerator development and hardware/software co-design principles - Published research in computer architecture, ML systems, or hardware acceleration ## Benefits - Medical, dental, and vision packages with generous premium coverage - $500 per month credit for waiving medical benefits - Housing subsidy of $2.5k per month for those living within walking distance of the office - Relocation support for those moving to San Jose (Santana Row) - Various wellness benefits covering fitness, mental health, and more - Daily lunch + dinner in our office - Unlimited compute budget subject to ROI justification ## How We’re Different Etched believes in the *Bitter Lesson*: http://www.incompleteideas.net/IncIdeas/BitterLesson.html We’re a fully in-person team in San Jose (Santana Row) and value engineering skills. We do not have boundaries between engineering and research—our technical staff contributes to both and works across disciplines as needed.

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