Software Principal Engineer- AI Compiler

Ampere Computing; Santa Clara (CA); Hybrid; USD 195,000 - 292,000; Full time

Benefits offered by this job

Health insurance

401K retirement plan

Unlimited flextime

Paid holidays

Job summary

Ampere Computing is seeking a Software Principal Engineer- AI Compiler in California to optimize DL graphs for our energy-efficient AI accelerator. You will work across the SW/HW stack—from inference serving and framework integration to compiler, runtime, and compute kernels—to unlock performance.

You’ll enable PyTorch and Llama.cpp models, implement graph-level optimizations like fusion, and collaborate on HW/SW co-design to push efficiency on Ampere's hardware. 5+ years of exp preferred.

Qualifications

• Strong CS fundamentals: algorithms, data structures, systems.
• Proficiency in Python and C/C++.
• Experience optimizing deep learning graphs and compilers is a plus.
• Competitive programming achievements (IOI/ACM/USACO) are a big plus.

Responsibilities

• Optimize deep learning computational graphs for performance, throughput, and latency on Ampere's accelerator hardware.
• Enable popular models and frameworks (PyTorch, Llama.cpp) and serving platforms (vLLM, SGLang).
• Identify and implement graph-level optimizations: op fusion, pattern recognition, redundancy elimination.
• Collaborate on HW/SW co-design to push computational efficiency.
• Work with cross-functional teams to integrate AI solutions into Ampere's AI hardware platforms.

Skills

Python

C/C++

Algorithms

Data structures

Systems

Competitive programming

MLIR

Education

Bachelor's degree in Computer Science or Mathematics

Master's degree

Tools

LLVM

Job description

Software Principal Engineer- AI Compiler

Ampere is a semiconductor design company for a new era, leading the future of computing with an innovative approach to CPU design focused on high-performance, energy efficient AI compute.

As a pioneer in the new frontier of energy efficient high-performance computing, Ampere is part of the Softbank Group of companies driving sustainable computing for AI, Cloud, and edge applications.

Join us at Ampere and work alongside a passionate and growing team.

About the Role:

In this role, you will optimize computational graphs to unlock the full potential of Ampere's deep learning accelerator. You'll work across the full SW/HW stack — from inference serving and framework integration down to compiler, runtime, and compute kernels.

What You’ll Achieve:

• Optimize deep learning computational graphs for performance, throughput, and latency on Ampere's accelerator hardware


• Enable popular models and frameworks (PyTorch, Llama.cpp) and serving platforms (vLLM, SGLang)


• Identify and implement graph-level optimizations: op fusion, pattern recognition, redundancy elimination


• Collaborate on HW/SW co-design to push computational efficiency


• Work with cross-functional teams to integrate AI solutions into Ampere's AI hardware platforms

About You:

• Bachelors degree in Computer Science, Mathematics or a related technical field & 8 years of related experience; or Master's degree & 6 years


• Strong CS fundamentals: algorithms, data structures, systems


• Solid graph algorithm knowledge and reasoning ability


• Proficiency in Python and C/C++


• Demonstrated exceptional problem-solving ability — IOI medal, ACM ICPC medal, Codeforces Grandmaster, USACO Platinum, or equivalent competitive programming achievement is a big plus


• Preferred to have traditional CPU or GPU compiler development background


• Familiar with LLVM compiler framework as well as MLIR dialects is a plus


• Fast learner who can pick up new domains quickly and maximize agent-assisted development


• Familiarity with deep learning concepts and neural network architectures is a plus

What We’ll Offer:

At Ampere we believe in taking care of our employees and providing a competitive total rewards package that includes base pay, cash long-term incentive, and comprehensive benefits. The full base pay range for this role is between $195,000 and $292,000. Our benefits include health, wellness, and financial programs that support employees through every stage of life.

Benefit highlights include:

• Premium medical insurance, dental insurance, vision insurance, as well as income protection and a 401K retirement plan, so that you can feel secure in your health and financial future.


• Unlimited Flextime and 10+ paid holidays so that you can embrace a healthy work-life balance.


• A variety of healthy snacks, energizing espresso, and refreshing drinks to keep you fueled and focused throughout the day.

And there is much more than compensation and benefits. At Ampere, we foster an inclusive culture that empowers our employees to do more and grow more.

We are excited to share more about our career opportunities with you through the interview process.

#LI-Hybrid

Ampere is an inclusive and equal opportunity employer and welcomes applicants from all backgrounds. All qualified applicants will receive consideration for employment without regard to race, color, national origin, citizenship, religion, age, veteran and/or military status, sex, sexual orientation, gender, gender identity, gender expression, physical or mental disability, or any other basis protected by federal, state or local law.