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89,000+ live jobsSenior Machine Learning Engineer, Media Knowledge
On-site in Barcelona·Added yesterday (last checked 5 Nov)
Our summary
- Work mode
- On-site, Barcelona
- English
- Required
- Experience
- Senior level
- Education
- University degree
Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
Requirements
What we're looking for
B.S. in Computer Science, Machine Learning, Engineering, or related field, or equivalent practical experience.
Substantial experience building and shipping large-scale ML/AI systems in production.
Hands-on experience building production ML systems using LLMs, ideally for information extraction, entity linking or knowledge graphs.
Strong programming skills, and experience building production streaming and batch data pipelines.
Excellent communication and collaboration skills, with the ability to explain complex topics clearly.
Nice to have
M.S. or Ph.D. in Computer Science, Artificial Intelligence, Machine Learning, or related field.
Experience designing knowledge representations, data models, or ontologies.
Experience with multimodal understanding of audio, video, or images, such as speech recognition or video understanding.
Experience with LLM-as-judge evaluation and running human annotation programs.
Experience with vector search technologies, RAG, or LLM agents that use tools and multi-step reasoning.
Experience with Spark or similar distributed data processing frameworks.
The role
Do you want to help Apple deeply understand the music, shows, podcasts, and artists our customers love? Our team builds the intelligence behind Apple’s media experiences. We combine speech, language, vision, and knowledge technologies to understand audio, video, text, and images at the scale of Apple Music, Apple Podcasts, Apple TV, and Apple Sports. We build user-facing features powered by media intelligence, and our work also improves search, discovery, recommendations, and answers across Apple’s products. We’re a growing team in Barcelona, working with partners across Apple.
We’re looking for a Senior Machine Learning Engineer to help shape how Apple represents media knowledge and uses it to build rich, accurate, and personal experiences. You’ll work at the intersection of large language models, information extraction, and knowledge graphs. You’ll have end-to-end ownership of designing how knowledge is modeled, building the systems that produce it at scale, and ensuring its quality. You’ll work closely with engineers and product partners, owning hard problems from early prototypes through to production.
We’re looking for someone with a healthy impatience: eager to prototype and test ideas with real data, iterating quickly and learning from what doesn’t work, while keeping a high bar for engineering and data quality. Above all, you’re curious and enjoy open problems where the path isn’t yet defined.
What you'll do
Design expressive knowledge representations and build scalable systems that extract knowledge from large volumes of multimodal content (text, audio, and video).
Define and own quality standards, combining human annotation and automated evaluation to continuously measure and improve system accuracy.
Design and implement retrieval, reasoning, and discovery systems over large corpora of knowledge.
Partner with product and engineering teams across Apple to take new media intelligence capabilities from initial prototype to production.
Review designs, mentor engineers, and set technical direction.
About Apple
Apple Inc. is a multinational technology company that designs, develops, and sells consumer electronics, computer software, and online services. Known for iconic products like the iPhone, iPad, Mac, and Apple Watch, Apple is one of the world's most valuable companies and a global leader in innovation, with a vast ecosystem of services including the App Store, iCloud, and Apple Music. The company operates retail stores worldwide and has a significant engineering and corporate presence across many countries.
In Spain, Apple has a strong presence with retail stores in major cities like Madrid and Barcelona, as well as corporate and engineering roles. The company's Spanish operations include technical support, retail, and business development functions, offering international professionals the opportunity to work for a globally recognized brand in a dynamic European market. Apple's work culture emphasizes innovation, collaboration, and excellence, and it provides a supportive environment for international hires, with opportunities for career growth and cross-cultural experience.
- Industry
- Consumer Electronics
- Founded
- 1976
- Employees
- 100,000+
- Headquarters
- Cupertino, USA
- In Spain
- Madrid, Barcelona
Good to know if you are moving
- Apple offers comprehensive relocation support for international hires, including visa sponsorship and assistance with moving expenses.
- The company has a strong internal mobility program, allowing employees to transfer between international offices, including Spain.
- Working at Apple in Spain provides exposure to a global tech ecosystem and the opportunity to collaborate with diverse, international teams.
- Apple's retail and corporate roles in Spain often require Spanish and English proficiency, making it accessible for international professionals.
- Spain's Apple offices are located in major cities like Madrid and Barcelona, offering a high quality of life and vibrant cultural environment.
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