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Spotify

Senior Machine Learning Engineer, Personalization, Rewards

Spotify

Published 16 May 2026
New York, NY, USA
184K - 263K USD Annual
Full Time

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Role Highlights

Languages used

S3

Key skills

Reinforcement Learning
Machine Learning
LLMs
Generative AI
Research
Data
ProtoTyping
Testing
Statistics
Optimization
Transformers
Google Analytics
Console

Tools, Libraries and Frameworks

Description

The role involves designing, building, and scaling reward signals for recommendation systems. The engineer will prototype, productize, and refine machine learning models to optimize for long-term user satisfaction. Collaboration with research and data scientists is required to integrate these signals into discovery surfaces. The position includes leading A/B testing initiatives to evaluate the performance of new recommendation algorithms. Additionally, the role focuses on promoting best practices for system development, testing, and evaluation across the organization.

Required Qualifications and Skills

Candidates must possess a strong background in machine learning with specific expertise in reinforcement learning. Experience applying reinforcement learning to recommendation systems is a mandatory requirement. Proficiency in statistics, optimization, sequential models, transformers, and generative AI is necessary for the role. No specific degree or professional qualification is explicitly mentioned as a requirement.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Spotify

Size

14835

Founded

HQ

Stockholm, SE

Public/Private

Public Company

Description

Our mission is to unlock the potential of human creativityby giving a million creative artists the opportunity to live off their art and billions of fans the opportunity to enjoy and be inspired by it. Spotify transformed music listening forever when it launched in Sweden in 2008. Discover, manage and share over 70m tracks for free, or upgrade to Spotify Premium to access exclusive features including offline mode, improved sound quality, and an ad-free music listening experience. Today, Spotify is the most popular global audio streaming service with 365m users, including 165m subscribers across 178 markets. We are the largest driver of revenue to the music business today.

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