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LLM Research Engineer: Model Optimization and Algorithms Development

Apple

Apple

Seattle, WA, USA
USD 139,500-210,100 / year + Equity
Posted on Oct 21, 2025
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The Science Model Optimization and Algorithms Development team brings innovative AI research into Apple products.
We are looking for strong ML applied scientists and engineers to build server-based and on-device large machine learning capabilities tailored for Apple Silicon. We are part of a collaborative group of software developers and deep learning experts working in the area of neural network optimization and related algorithms. Successful candidates will have a strong software engineering background, zero-to-one machine learning development experience, and broad expertise in machine learning model optimization (quality optimization, performance optimization, etc).
  • Experience on developing/optimizing/training large language models (LLMs), or large computer vision models, or generative AI models
  • Software engineering skills in Python and general purpose system admin and infrastructure management abilities
  • History of applied research in neural network model optimization or training or a related area application
  • Proven track record to drive scientific investigations and experiments and overcome obstacles and uncertainty in a research environment
  • MS degree and 3+ years of proven experience
  • Publication record at top AI/ML venues
  • Experience with network optimization algorithms, e.g. quantization and compression, sparsification, knowledge distillation, or NAS
  • Experience with languages such as C/C++, Java, Go, Swift, Rust, or Obj-C
  • Infrastructure management and debugging experience
  • Experimental rigor when training/evaluating DNNs for the purpose of benchmarking neural network optimization algorithms
  • Strong communication and accountability skills; hard-working, strong work ethic, and collaboration abilities
  • PHD in related field
At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $139,500 and $210,100, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.

Apple accepts applications to this posting on an ongoing basis.

Apply now
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