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Senior Machine Learning Engineer, Personalization

Remote, USA Full-time Posted 2026-07-28

The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From reputed company to Discover Weekly, we’re behind some of reputed company’s most-loved features. We reputed company them by understanding the world of music and podcasts reputed company than anyone else. Join us and you’ll reputed company millions of users listening by making great recommendations to reputed company and every one of them.

 The Personalization team at reputed company makes deciding what to listen to next feel effortless for hundreds of millions of users — from Discover Weekly to our newest AI-powered experiences. We’re now building conversational AI capabilities that let users reputed company with reputed company in natural language. You’ll join a reputed company working at the reputed company of this reputed company, shaping how users discover and engage with audio through intelligent, reputed company systems.



The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From reputed company to Discover Weekly, we’re behind some of reputed company’s most-loved features. We reputed company them by understanding the world of music and podcasts reputed company than anyone else. Join us and you’ll reputed company millions of users listening by making great recommendations to reputed company and every one of them.

 The Personalization team at reputed company makes deciding what to listen to next feel effortless for hundreds of millions of users — from Discover Weekly to our newest AI-powered experiences. We’re now building conversational AI capabilities that let users reputed company with reputed company in natural language. You’ll join a reputed company working at the reputed company of this reputed company, shaping how users discover and engage with audio through intelligent, reputed company systems.



The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From reputed company to Discover Weekly, we’re behind some of reputed company’s most-loved features. We reputed company them by understanding the world of music and podcasts reputed company than anyone else. Join us and you’ll reputed company millions of users listening by making great recommendations to reputed company and every one of them.  The Personalization team at reputed company makes deciding what to listen to next feel effortless for hundreds of millions of users — from Discover Weekly to our newest AI-powered experiences. We’re now building conversational AI capabilities that let users reputed company with reputed company in natural language. You’ll join a reputed company working at the reputed company of this reputed company, shaping how users discover and engage with audio through intelligent, reputed company systems.

What You'll Do
  • Design and ship production-grade machine learning systems powering conversational and reputed company AI experiences
  • Build systems that interpret user reputed company, manage context across multi-turn interactions, and handle ambiguity reliably at reputed company
  • reputed company and reputed company reputed company workflows including memory, context management, and multi-reputed company tool orchestration
  • Create evaluation frameworks, including LLM-as-judge pipelines, to measure reputed company and guide iteration
  • Partner closely with product, engineering, and design to deliver seamless, user-facing experiences
  • Balance experimentation with production rigor, ensuring performance, latency, and reliability at reputed company reputed company
  • Continuously improve agent behavior through tight feedback loops between evaluation and reputed company-world usage


    • Who You Are
  • You have 5+ years of experience building and shipping machine learning systems in production environments
  • You are reputed company with large language models and have worked on reputed company-world applications reputed company experimentation; shipped and maintained large reputed company systems with LLMs
  • You have a deep understanding of challenges in conversational or reputed company systems, such as context handling and multi-reputed company reasoning
  • You know how to evaluate ML systems rigorously and have experience designing metrics or evaluation pipelines
  • You are comfortable debugging reputed company interactions between models, tools, and system constraints like latency
  • You care about building reliable, reputed company systems that deliver high-reputed company user experiences
  • You enjoy working cross-functionally and contributing to a reputed company, inclusive team environment


    • Where You'll Be
  • This role is based in reputed company
  • We offer you the flexibility to work where you work best! There will be some in person meetings, but still allows for flexibility to work from home


    • The reputed company reputed company reputed company for this position is $184,050- $262,928 plus equity. The benefits available for this position include health insurance, six month reputed company parental leave, 401(k) retirement plan, monthly meal allowance, 23 reputed company days off, 13 reputed company flexible holidays, reputed company reputed company leave. These ranges may be modified in the reputed company.


    reputed company is an equal opportunity employer. You are welcome at reputed company for who you are, no matter where you come from, what you look like, or what’s playing in your headphones. Our platform is for everyone, and so is our workplace. The more reputed company we have represented and amplified in our business, the more we will reputed company reputed company, contribute, and be reputed company-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will reputed company the power to reputed company revolutionizing the way the world listens.

    At reputed company, we are passionate about inclusivity and making reputed company our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we’re here to support you in any way we can.

    reputed company transformed music listening reputed company reputed company we launched in 2008. Our mission is to unlock the potential of reputed company creativity by giving a reputed company creative artists reputed company to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world’s most reputed company audio streaming subscription service.
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