Top 3998 Performance Engineer Jobs in San Francisco, CA

Training Performance Engineer
OpenAI —San Francisco, CA
- $250,000 - $445,000 a year
- Full-time
- Hybrid work
- Office
- Fair chance
- Senior level
Founding Performance Engineer
Hire Hangar —San Francisco, CA
- $7,000 - $9,000 a month
- Contract
- Mid-level
- Office
- Databases
Quick Apply
9d
Performance Modeling Engineer ~2
OpenAI —San Francisco, CA
- $293,000 - $385,000 a year
- Full-time
- Hybrid work
- System design
- Office
- Analysis skills
- Relocation assistance
ChatGPT Performance Engineer
OpenAI —San Francisco, CA
- $325,000 - $405,000 a year
- Full-time
- 7 years
- System design
- Software development experience
Performance & Systems Engineer, Codex
OpenAI —San Francisco, CA
- $295,000 - $445,000 a year
- Full-time
- Hybrid work
- Office
- Machine learning
- Fair chance
Software Engineer
Fuku —San Francisco, CA
- Full-time
- Computer Science
- Mid-level
- Java
- Paid holidays
- Health insurance
Quick Apply
Optics Engineer
Confidential Posting —San Francisco, CA
- $110,000 - $160,000 a year
- Full-time
- Travel
- US work authorization
- In-person
- Health insurance
- Dental insurance
Quick Apply
Mechanical Design Engineer - AI Trainer
DataAnnotation —San Francisco, CA
- From $60 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
Quick Apply
Mechanical Engineer - AI Trainer
DataAnnotation —San Francisco, CA
- From $60 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
Quick Apply
Mechanical Design Engineer - AI Trainer
DataAnnotation —Richmond, CA
- From $60 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
Quick Apply
3d
Junior Mechanical Design Engineer - AI Trainer
DataAnnotation —Richmond, CA
- From $60 an hour
- Part-time
- Remote
- English
- Mid-level
- Bachelor's degree
Quick Apply
3d
Combustion Systems- Responsible Engineer
Belcan —Brisbane, CA
- $65.39 an hour
- Master's degree
- Doctor of Philosophy
- Senior level
Quick Apply
7d
Senior Aerodynamic Engineer (Turbomachinery & Gas Turbines)
Belcan —Brisbane, CA
- $103.37 an hour
- Doctor of Philosophy
- Mentoring
- Organizational skills
Quick Apply
7d
Rotating Engineer – Onshore Reliability
Hudson Manpower —Walnut Creek, CA
- Full-time
- Senior level
Quick Apply
Airfoils-Staff Responsible Engineer
Belcan —Brisbane, CA
- $68.75 an hour
- Mid-level
- Master's degree
- Doctor of Philosophy
Quick Apply
4d
Fleet Support Engineer
Denken Solutions, Inc. —San Francisco, CA
- $87 an hour
- Overtime
- Background check
- 6 years
- Continuous improvement
Quick Apply
E-Commerce Mgr/Magento
Continental Western Corporation —San Leandro, CA
- From $5,000 a month
- Full-time
- Mid-level
- 3 years
- Java
- Health insurance
- Dental insurance
Quick Apply
Integrated Auxiliary Systems- Responsible Engineer
Belcan —Brisbane, CA
- $64.90 an hour
- Mid-level
- Doctor of Philosophy
- Experience equivalent to degree accepted
Quick Apply
7d
Rotor Systems- Responsible Engineer
Belcan —Brisbane, CA
- $65.87 an hour
- Data analysis skills
- Mid-level
- Master's degree
Quick Apply
7d
IT Application Engineer
Manpower Engineering —Foster City, CA
- $75 - $80 an hour
- 6 years
- Computer Science
- Office
- Health savings account
- Disability insurance
Quick Apply

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Training Performance Engineer

OpenAI -
San Francisco, CA

Apply Now

Job Details

Full-time
$250,000 - $445,000 a year

Qualifications

GPU programming
TensorFlow
Rust (programming language)
PyTorch
Tooling
High-performance computing clusters
System performance optimization
Engineering process optimization
AI platforms (beyond public GPTs)
Scalable systems
Computational framework
Data loading
Model training
Systems analysis
Distributed computing
Machine learning libraries
Senior level
Data performance optimization
Scalability and Performance Testing (system development)
Machine learning frameworks
Communication skills
Debugging
System performance monitoring

Full Job Description

About the Team

Training Runtime designs the core distributed machine-learning training runtime that powers everything from early research experiments to frontier-scale model runs. With a dual mandate to accelerate researchers and enable frontier scale, we’re building a unified, modular runtime that meets researchers where they are and moves with them up the scaling curve.

Our work focuses on three pillars: high-performance, asynchronous, zero-copy tensor and optimizer-state-aware data movement; performant, high-uptime, fault-tolerant training frameworks (training loop, state management, resilient checkpointing, deterministic orchestration, and observability); and distributed process management for long-lived, job-specific and user-provided processes.

We integrate proven large-scale capabilities into a composable, developer-facing runtime so teams can iterate quickly and run reliably at any scale, partnering closely with model-stack, research, and platform teams. Success for us is measured by raising both training throughput (how fast models train) and researcher throughput (how fast ideas become experiments and products).

About the Role

As a Training Performance Engineer, you’ll drive efficiency improvements across our distributed training stack. You’ll analyze large-scale training runs, identify utilization gaps, and design optimizations that push the boundaries of throughput and uptime. This role blends deep systems understanding with practical performance engineering — analyzing GPU kernel performance, collective communication throughput, investigating I/O bottlenecks, and sharding our models so we can train them at massive scale.

You’ll help ensure that our clusters are running at peak performance, enabling OpenAI to train larger, more capable models with the same compute budget.

This role is based in San Francisco, CA. We use a hybrid work model of three days in the office per week and offer relocation assistance to new employees.

In this role, you will:
Profile end-to-end training runs to identify performance bottlenecks across compute, communication, and storage.

Optimize GPU utilization and throughput for large-scale distributed model training.

Collaborate with runtime and systems engineers to improve kernel efficiency, scheduling, and collective communication performance.

Implement model graph transforms to improve end to end throughput.

Build tooling to monitor and visualize MFU, throughput, and uptime across clusters.

Partner with researchers to ensure new model architectures scale efficiently during pre-training.

Contribute to infrastructure decisions that improve reliability and efficiency of large training jobs.

You might thrive in this role if you:
Love optimizing performance and digging into systems to understand how every layer interacts.

Have strong programming skills in Python and C++ (Rust or CUDA a plus).

Have experience running distributed training jobs on multi-GPU systems or HPC clusters.

Enjoy debugging complex distributed systems and measuring efficiency rigorously.

Have exposure to frameworks like PyTorch, JAX, or TensorFlow and an understanding of how large-scale training loops are built.

Are comfortable collaborating across teams and translating raw profiling data into practical engineering improvements.

Nice to have:
Familiarity with NCCL, MPI, or UCX communication libraries.

Experience with large-scale data loading and checkpointing systems.

Prior work on training runtime, distributed scheduling, or ML compiler optimization.

About OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.

We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.

For additional information, please see

OpenAI’s Affirmative Action and Equal Employment Opportunity Policy Statement

.

Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.

To notify OpenAI that you believe this job posting is non-compliant, please submit a report through

this form

. No response will be provided to inquiries unrelated to job posting compliance.

We are committed to providing reasonable accommodations to applicants with disabilities.

OpenAI Global Applicant Privacy Policy

At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.

Compensation

$250K – $445K + Offers Equity

Apply Now

Refine Your Search

Performance Engineer jobs in San Francisco, CA

Training Performance Engineer

Founding Performance Engineer

Performance Modeling Engineer ~2

ChatGPT Performance Engineer

Performance & Systems Engineer, Codex

Software Engineer

Optics Engineer

Mechanical Design Engineer - AI Trainer

Mechanical Engineer - AI Trainer

Mechanical Design Engineer - AI Trainer

Junior Mechanical Design Engineer - AI Trainer

Combustion Systems- Responsible Engineer

Senior Aerodynamic Engineer (Turbomachinery & Gas Turbines)

Rotating Engineer – Onshore Reliability

Airfoils-Staff Responsible Engineer

Fleet Support Engineer

E-Commerce Mgr/Magento

Integrated Auxiliary Systems- Responsible Engineer

Rotor Systems- Responsible Engineer

IT Application Engineer

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