Machine Learning Engineer - Personalization

Spotify is looking for a Senior Machine Learning Engineer focused on personalization and music understanding. This position is based in New York, NY. Role overview This role centers on applying advanced machine learning methods to improve how users experience Spotify’s music platform. The work aims to make music discovery more relevant and engaging for listeners. What you will do Develop and refine machine learning models that personalize content and recommendations Collaborate with teams across engineering, product, and design to deliver new features Contribute to solutions that increase user engagement and loyalty Impact Your contributions will help shape the future of music discovery at Spotify, making the platform more intuitive and enjoyable for millions of users.

Spotify is hiring a Machine Learning Engineering Manager for its New York office. This position leads a team of engineers working on machine learning projects that shape the future of music technology. Role overview The team develops algorithms and models designed to improve how users experience and engage with music on Spotify’s platform. The work centers on building solutions that address unique challenges in the music industry. What you will do Guide and support a group of engineers focused on machine learning initiatives for music. Oversee the design and implementation of new algorithms that enhance user experience. Work closely with cross-functional partners to deliver impactful projects. Location This role is based in New York, NY.

Join Spotify as a Senior Machine Learning Engineer specializing in Personalization, where you will play a key role in enhancing the user experience through advanced machine learning techniques. Your expertise will directly impact how millions of users interact with our platform, helping to create tailored content that resonates with them. You will collaborate with cross-functional teams to develop, deploy, and maintain machine learning models that drive personalized recommendations.

Role Overview Spotify is hiring a Machine Learning Engineer focused on Personalization in New York, NY. This role centers on developing and applying machine learning algorithms to improve how users discover and enjoy music and podcasts. The work directly shapes the personalized experiences that keep listeners engaged and coming back. What You Will Do Design and implement machine learning models that tailor content recommendations to individual users Analyze user behavior and preferences to inform algorithm improvements Collaborate with product and engineering teams to integrate personalization features into the Spotify platform

At SoundCloud, we are dedicated to fostering connections between artists and fans through the power of music. Established in 2007, SoundCloud is a trailblazing platform designed for artists, offering innovative tools, services, and resources to help them flourish in their careers. With a library of over 400 million tracks from 40 million artists, we are shaping the future of music. We are on the lookout for an exceptional leader in Machine Learning to spearhead the next phase of Musical Intelligence at SoundCloud. As a Senior Principal Engineer, you will leverage your extensive technical expertise and strategic vision to propel the development of advanced recommendation, personalization, and search systems. Your mission is to architect systems that derive high-fidelity insights from user interactions within the world’s largest audio dataset, enhancing the connection between artists and fans. You will set the technical direction for ML across engineering, delivering impactful data-driven products while leading and mentoring a high-performing team of Engineers and Scientists. This pivotal role reports to the Chief Technology Officer and collaborates closely with the Music Intelligence, Content, and Recommendations teams. You will also be instrumental in developing agentic workflows and LLM-assisted systems that will enable us to deploy Musical Intelligence at unprecedented speeds.

About the Role qloo is looking for a Machine Learning Engineer focused on Large Language Models (LLMs) and personalization. This position is based in New York City. What You Will Do Design and build machine learning models to improve user experience and increase engagement. Work closely with teams across the company to implement advanced algorithms. Support data-driven decisions by contributing expertise in LLMs and personalization techniques. Collaboration This role involves frequent collaboration with cross-functional groups, including product and data teams.

Join the Personalization team at Spotify, where we transform the way millions of listeners enjoy music, podcasts, and audiobooks. Our mission is to enhance the listening experience by delivering tailored recommendations that resonate with each individual. With products like 'Home' and 'Search', alongside unique playlists such as 'Discover Weekly' and 'Daily Mix', we aim to make music discovery effortless and delightful.As a member of the Minesweeper squad within Personalization, you will leverage your expertise in AI and machine learning to enrich our understanding of audio content. Your role will involve the application of advanced techniques, including Large Language Models, to create scalable systems that provide valuable insights for Spotify's internal teams and the global community of users and creators. We are looking for a passionate Machine Learning Engineer who is eager to shape the future of listening experiences for millions. This is a remarkable opportunity to enhance your skills in ML engineering, collaborate with a diverse team of Data Engineers, Backend Engineers, and researchers, and contribute to a supportive and innovative work environment.

Spotify is seeking a Machine Learning Engineering Manager to lead its Personalization team in New York, NY. This position guides both engineers and data scientists as they build and refine machine learning systems that deliver personalized content to millions of listeners. Key responsibilities Direct the design, development, and rollout of machine learning algorithms that power Spotify’s content personalization. Mentor and support a team of engineers and data scientists, encouraging technical growth and strong collaboration. Coordinate with product, design, and other groups to ensure personalization strategies align with company objectives. Lead initiatives that apply data and machine learning to enhance user experiences on the platform. Role focus This role centers on advancing Spotify’s personalization capabilities through technical leadership, team development, and close partnership with cross-functional teams.

Join headway as a Senior Machine Learning Engineer and make a significant impact in the field of machine learning and artificial intelligence. In this role, you will leverage your expertise to develop innovative solutions, improve existing algorithms, and collaborate with cross-functional teams to drive forward our mission of transforming the healthcare experience.

Join Our Team as a Machine Learning Engineer – Search, Ranking & Personalization!Are you passionate about leveraging machine learning to create intelligent, personalized experiences for users? At fuku, a rapidly growing shopping platform, we are on a mission to revolutionize the way consumers discover products. With a vibrant user base of over 350,000 active users and a remarkable 90% retention rate, our focus is on developing advanced search and ranking systems that build trust and enhance product discovery at scale.As a Machine Learning Engineer, you will play a pivotal role in designing, constructing, and scaling machine learning systems that impact search, ranking, and personalization for our platform, which serves hundreds of millions of items daily. Collaborating with a talented team of engineers from leading tech firms like Pinterest and Amazon, you will have the opportunity to influence user engagement and retention significantly.

Who is Nexxen?Nexxen is revolutionizing the advertising landscape with a data-driven approach that empowers advertisers, agencies, publishers, and broadcasters globally. Our innovative technology framework unifies a demand-side platform (DSP) and supply-side platform (SSP), anchored by the Nexxen Data Platform, to deliver meaningful advertising solutions.Why become a part of the Nexxen team?Join us in our mission to transform advertising through our flexible and creative solutions. At Nexxen, we value a culture that emphasizes the 3Cs - Customer Centricity, a Curious Mindset, and Collaboration without Ego. Become part of a dynamic team that thrives on commitment and ingenuity.Your Safety is Our PriorityAt Nexxen, we prioritize the safety and well-being of our employees. We are vigilant against online scams and fraudulent job postings. Please note that we will never ask for payment as a condition of employment or promote dubious financial schemes. If you encounter any suspicious communications, contact us at infosec@nexxen.com. Your trust is paramount; stay safe and informed.Position OverviewAs a Senior Machine Learning Engineer, you will join our Applied Data Science group within the Nexxen DSP Software Development team. This hands-on role involves collaborating closely with data scientists to develop cutting-edge data science infrastructure aimed at real-time performance optimization and machine learning applications. The ideal candidate will possess extensive experience in implementing machine learning technologies or data-driven algorithms, and should display a proactive and innovative mindset.We operate in a hybrid model, with team members working three days a week at our New York office and remotely for the remainder of the week.Key Responsibilities:Design and develop high-performance, large-scale services for Nexxen DSP programmatic integrations and platform products.Drive innovative solutions and implement machine learning algorithms for enhanced performance.

Join Spotify as a Senior Machine Learning Engineer specializing in Personalization, where you'll leverage cutting-edge AI and ML technologies to enhance user experiences. Collaborate with cross-functional teams to develop innovative algorithms and models that personalize content and recommendations for millions of users. Your expertise will help shape the future of music and podcast consumption, driving engagement and satisfaction for our global audience.

Join SoundCloud, a leading platform that enables artists and fans to connect and share their passion for music. Established in 2007, our artist-first approach empowers creators to develop their careers with innovative tools, services, and resources. With a catalog featuring over 400 million tracks from 40 million artists, the future of music is unfolding at SoundCloud. We are seeking a Senior Machine Learning Engineer to become an integral member of our Reco-Core team. This role presents an exciting opportunity to influence and steer the machine learning initiatives for one of SoundCloud's most essential product areas. You will collaborate closely with machine learning, data, and backend engineers to design, implement, and deploy models that facilitate music discovery for millions of users across our extensive audio catalog.Key Responsibilities:Create and deploy comprehensive machine learning solutions for recommendation systems, focusing on candidate generation, personalization, user and item modeling, and ranking algorithms.Oversee the entire machine learning lifecycle, from prototyping and evaluation to deploying scalable models and monitoring performance in production.Enhance and expand the foundation for ML engineering and MLOps within the Reco-Core team, establishing best practices and developing tools for rapid iteration.Collaborate with analysts and data scientists to convert research findings into production-ready systems.Work alongside fellow ML engineers to utilize shared infrastructure and collective expertise.

Join Spotify as a Machine Learning Engineering Manager for our Surfaces Music team, where you will lead innovative projects that enhance user experience through advanced machine learning techniques. You will be responsible for overseeing the development of cutting-edge algorithms and models that power music recommendations and personalized features. Collaborate with cross-functional teams to drive strategic initiatives, mentor engineers, and ensure the delivery of high-quality machine learning solutions.

About the RoleAt Zencastr, we are dedicated to creating innovative end-to-end AI systems and core microservices that revolutionize the podcasting landscape. By harnessing the latest technologies, we aim to enhance the user experience for millions of podcast creators and listeners every day.We invite an exceptional Senior Machine Learning Engineer to become a vital member of our dynamic team. In this role, you will engage in large-scale machine learning projects aimed at enriching the podcast creation journey for Zencastr users.You will collaborate with a group of dedicated engineers who are enthusiastic about understanding the factors that influence long-term user satisfaction with Zencastr. Your contributions will help shape our recommendations and content strategies. As a key player in the team, you will work alongside research scientists and data professionals to prototype and implement cutting-edge machine learning solutions that intertwine speech processing with user satisfaction.Key ResponsibilitiesDesign, research, and develop pioneering machine learning applications and algorithms to enhance the experiences of podcasters and their audiences globally.Collaborate with cross-functional teams to create new product features that enhance Zencastr's machine learning services.Advance audio and text capabilities within the machine learning team.Engage with leading experts in signal processing.Ideal Candidate ProfileA Master's degree or higher in Machine Learning, Mathematics, Computer Science, or a related quantitative discipline.A minimum of 5 years of experience in Python programming.At least 3 years of experience in machine learning research, particularly with a focus on speech processing.3+ years of experience in training and deploying neural networks.Extensive experience with machine learning frameworks such as PyTorch, TensorFlow, and Scikit-Learn.Proficiency in building and maintaining production-ready machine learning systems.Ability to lead the design and implementation of significant software components and features.A passion for rapidly building model prototypes.Familiarity with cloud platforms such as Google Cloud, AWS, or Modal.A proactive mindset with the ability to spearhead projects and foster positive collaborations with partners and colleagues.

Join our innovative Match Team as a Senior Machine Learning Engineer at Enigmaio, where you will play a pivotal role in developing advanced algorithms and models that enhance our matching capabilities. You will collaborate with cross-functional teams to design, implement, and optimize machine learning solutions that drive business outcomes.

Trunk Tools seeks a Senior Machine Learning Engineer to join its team onsite in New York City. This role centers on creating and deploying models that drive the company’s main objectives. Working alongside colleagues from various backgrounds is a key part of the job. Responsibilities Design and build machine learning models for practical use cases Collaborate with cross-functional teams to gather requirements and deliver effective solutions Deploy models into production environments and monitor their scalability Work Location This position is based at the Trunk Tools headquarters in New York City. Regular onsite presence is required.

About SandbarSandbar is a pioneering technology company based in New York City, dedicated to enhancing human capabilities in an agentic world. Our mission is to empower individuals to think, act, and move with freedom. Our innovative team has developed software, machine learning, and hardware solutions that have been instrumental in the success of leading companies such as Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox.Our flagship product, Stream, represents a groundbreaking human-agent interface—a private voice ring and conversational computer. Stream has garnered attention in prestigious publications like the Wall Street Journal, Bloomberg, and Wired, with shipments set to commence in Summer '26.We invite you to join us in shaping a new paradigm for self-augmentation.

Confido is revolutionizing the AI infrastructure that empowers Consumer Packaged Goods (CPG) brands by streamlining critical processes from deduction to production planning. Our integrated platform unifies cash application, deductions, disputes, trade promotion management, forecasting, demand planning, and analytics. This integration results in significant time savings, enhanced decision-making, and accelerated scaling capabilities.With over 200 trusted brands managing more than $20 billion in revenue—including notable names like OLIPOP, Simple Mills, Dr. Squatch, and Tropicana—Confido has demonstrated exceptional growth. Recently, we secured a $15 million Series A funding round led by Footwork Ventures and Y Combinator to further drive our expansion.As a Senior Machine Learning / AI Engineer, you will play a pivotal role in developing the AI systems that form the backbone of the Confido platform. Your responsibilities will span from LLM-powered document understanding to creating predictive models that assist brands in making informed decisions.You will collaborate closely with engineering and product teams to transition AI capabilities from research into practical applications.