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Senior Machine Learning Engineer at Phia | New York City

PhiaNew York City
On-site Full-time

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Experience Level

Senior

Qualifications

What You OwnDesign, develop, and deploy production-grade machine learning models that drive essential product functionalities and decision-making processes. Manage the complete machine learning lifecycle, including data analysis, feature engineering, model training, evaluation, deployment, and ongoing monitoring. Collaborate closely with Product, Engineering, Data, and Operations teams to translate product requirements and business objectives into scalable ML solutions. Establish experimentation frameworks and causal measurement techniques to assess model performance and inform product strategy. Construct and maintain high-performance forecasting, ranking, personalization, or optimization systems that operate at scale. Proactively enhance model performance, reliability, and scalability within production settings.

About the job

Join Phia as a Senior Machine Learning Engineer, where your expertise will help us design, build, and scale cutting-edge production ML systems that enhance our core product offerings and drive data-driven decision-making. You will engage with the entire ML lifecycle—from data preprocessing and model development to deployment and continuous improvement—tackling challenges such as ranking, personalization, and optimization. This pivotal role bridges machine learning, product engineering, and data platforms, allowing you to influence systems that directly contribute to user growth and experience. You will be responsible for deploying models into production, executing rapid experiments, and shaping the future of machine learning at Phia as we expand.

About Phia

Phia has successfully secured $43 million in funding from renowned investors such as Notable Capital, Khosla Ventures, and Kleiner Perkins, aimed at creating the AI alignment layer for commerce. In less than a year, our consumer shopping agent has attracted over one million users and established partnerships with more than 6,200 retail brands, generating billions in annual gross merchandise volume. Each month, Phia drives millions of dollars in sales for our partners and has experienced remarkable revenue growth of 11x since our launch.

As AI vertical agents continue to revolutionize various industries, commerce stands on the brink of a significant transformation. Phia is redefining the shopping experience, shifting it from a fragmented and impersonal interaction to a personalized, intelligent, and trustworthy journey tailored to each user's intent. This foundation of trust positions us to become the go-to shopping destination for the next generation of consumers.

At Phia, we pride ourselves on being a nimble, high-ownership team that operates at startup speed. If you are eager to deliver high-impact solutions and tackle complex challenges in consumer AI and commerce, this is the perfect environment for you.

About Phia

Phia is at the forefront of revolutionizing commerce through AI. With significant funding and rapid growth, we strive to transform the shopping experience into one that is personalized, intelligent, and seamlessly integrated with each user's intent. Our commitment to innovation and excellence makes us a leader in the industry.

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