CookUnity is seeking a talented Staff Machine Learning Data Scientist to build and optimize personalized recommendation systems for our rapidly growing food-tech platform. As a Machine Learning Data Scientist, you will design, implement, and scale user modeling and ranking algorithms to help customers discover meals they’ll love. This is a hands-on role with high impact, collaborating closely with Product, Engineering, and Business teams while leading experimentation strategies to measure real-world results.
Key Responsibilities of a Staff Machine Learning Data Scientist
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Architect and deliver production-grade recommendation and personalization systems, including embeddings and ranking algorithms.
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Quantify and optimize business impact using A/B testing, causal inference, and lift analyses.
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Translate product and business needs into scalable, data-driven solutions.
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Collaborate with cross-functional teams to integrate experimentation and feedback loops.
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Mentor and coach the data team on ML model validation, scalability, and experimentation best practices.
Ideal Qualifications for a Staff Machine Learning Data Scientist
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6+ years of experience in data science, machine learning, or applied statistics.
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Deep expertise in recommendation engines, personalization pipelines, ranking models, and search optimization.
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Hands-on experience with A/B testing frameworks, experimentation design, and measuring incremental impact.
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Strong programming skills in Python and SQL; bonus points for Snowflake, PyTorch, Airflow, MLFlow, ECS.
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Proven ability to collaborate across teams while owning the technical end-to-end performance of your models.
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Bonus: experience in marketplaces, subscription services, or food-tech domains.
Benefits of Joining CookUnity
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Comprehensive health insurance coverage 🩺
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401(k) plan 🌅
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Unlimited PTO and 4-week paid sabbatical after 5 years ⛱
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Paid family leave and compassionate leave 🕯
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Monthly CookUnity meal credits 🥘
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Wellness perks including access to nutritional coaches and fitness subsidies 🧘🏽♀️
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Personalized Spanish coaching 👩🏾🏫
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Work at a company transforming how chefs work and people eat 🌟
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