Performance Library Engineer

Full Timemid

San Jose, CA OR Pittsburgh, PAPosted 9 days ago

Role Overview

Efficientcomputer is hiring a mid-level Performance Library Engineer. This is a full-time role in San Jose, CA OR Pittsburgh. posted last week. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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Job description

Efficient is developing the world’s most energy-efficient general-purpose computer processor. Efficient’s patented technology uses 100x less energy than state of the art commercially available ultra-low-power processors and is programmable using standard high-level programming languages and AI/ML frameworks. This level of efficiency makes perpetual, pervasive intelligence possible: run AI/ML continuously on a AA battery for 5-10 years. Our platform’s unprecedented level of efficiency enables IoT devices to intelligently capture and curate first-party data to drive the next major computing revolution

About the Role

We are seeking Performance Library Engineers to join our growing team. Efficient’s Performance Library Engineers create and optimize libraries and frameworks that are used by customers of the world’s most energy-efficient programmable processor (the “Fabric”). In this role, you will take ownership of complex, performance-critical, library development while working closely with Efficient’s compiler and embedded teams providing direct feedback on compiler enhancements and performance related tools. In other words, you will push the performance limit of compute on our platform.

This position is a unique opportunity to work on cutting-edge hardware/software co-design, while making an immediate impact on building the next generation of performance libraries and applications used by our customers.

Required Qualifications & Experience

Hands-on software development experience working closely with hardware, including exposure to at least two RISC, DSP or GPU platforms.
A passion for analyzing and maximizing software performance on an unique dataflow hardware architecture.
Experience with framework and library design, particularly within resource constrained and realtime environments.
Experience with CUDA, HIP and/or other parallel programming models.
A collaborative spirit, with the ability to work with and influence multiple engineering teams.
Demonstrated ability to write, debug, and maintain low-level, C/C++, systems-level code as well as design clean interfaces and modular code.
Actively uses AI tools to generate, optimize, and debug code.
Background in performance profiling, benchmark design, or comparative hardware analysis.
Excellent written, verbal, analytical and technical communication skills, with the ability to clearly document complex systems, and lead discussions across teams.
Minimum Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field. 5+ years of experience.

Desired Qualifications & Experience

Some exposure to low-level programming interfaces, e.g. PTX, LLVM IR and/or MLIR.
Some domain expertise in two or more of the following areas: Linear Algebra, ML, Image Processing, Signal Processing, Audio Processing, SDR, realtime programming, or Robotics.

We offer a competitive salary for this role, generally ranging from $130,000 to $230,000, along with meaningful equity and comprehensive benefits. The final compensation package will be based on your experience and location, with some flexibility to ensure we align with the right candidate.

Why Join Efficient?

Efficient offers a competitive compensation and benefits package, including 401K match, company-paid benefits, equity program, paid parental leave, and flexibility. We are committed to personal and professional development and strive to grow together as people and as a company.

About Efficientcomputer

Efficientcomputer

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Frequently Asked Questions

How do I apply for the Performance Library Engineer position at Efficientcomputer?

Use the Apply button above to submit your application directly to Efficientcomputer. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Performance Library Engineer position at Efficientcomputer located?

This position is based in San Jose, CA OR Pittsburgh. Efficientcomputer has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Performance Library Engineer at Efficientcomputer earn?

Efficientcomputer has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Performance Library Engineer role at Efficientcomputer posted?

This role was posted on June 30, 2026 (9 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.