Foundation Models Framework Engineer

Join the Swift AI Frameworks team and create the best APIs for AI models. You’ll collaborate with passionate and creative colleagues to meet ambitious goals in an environment that not only encourages, but requires constant curiosity and growth.As a member of the Swift AI Frameworks team, you will implement new features in the Foundation Models framework and craft elegant APIs that surprise and delight our developers. You will be responsible for bringing your ideas to life through all stages of their development: from initial research, to API design, to model evaluation, to testing and development in Swift, to documentation and internal dogfooding. You’ll join us in energetic discussions of each other’s work and ideas, alongside collaborators possessing a variety of different perspectives and domain expertises. You’ll also have the opportunity to collaborate with experts throughout including: ML researchers, systems engineers, user interface designers, tools engineers, and technical writers. Curious and enterprising individuals who take an expansive view of their role will thrive in this multi-disciplinary environment!### Key Qualifications* Experience with at least one of the following: framework and API development, calling LLM tools and agentic workflows, model evaluation, and LLM inference algorithms (e.g., constrained decoding, retrieval-augmented generation).* Proficiency with Swift (or the capacity to become proficient quickly).* An ability to collaborate effectively, explain complex concepts clearly, and maintain high standards of quality and meticulous attention to detail.* Bachelor’s Degree in Computer Science or equivalent.### Additional Requirements* Interest in machine learning, LLMs and generative AI.* The desire to learn and grow, keeping pace with cutting edge technologies.* Experience with any of the following is a plus, but not required: LLM serving, On-device ML systems, Multi-modal LLMs, Swift API design patterns, User interface technologies (e.g. SwiftUI, UIKit), Programming language design and implementation, Technical writing and Open-source software projects.At , 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 $126,800 and $190,900, and your base pay will depend on your skills, qualifications, experience, and location. employees also have the opportunity to become a shareholder through participation in discretionary employee stock programs. employees are eligible for discretionary restricted stock unit awards, and can purchase stock at a discount if voluntarily participating in the 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 , 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 Benefits.Note: benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. 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.