Senior Data Scientist Job at Harnham, Santa Rosa, CA

aEJPQTJOSDV1ZHVDTER6MzI3NlQ3WHhv
  • Harnham
  • Santa Rosa, CA

Job Description

SENIOR DATA SCIENTIST - SEARCH AND RECOMMENDATIONS

SAN FRANCISCO BAY AREA (HYBRID)

$160,000 – $190,000 BASE SALARY + EQUITY

ABOUT THE ROLE

We’re seeking a Data Scientist II to drive next-generation personalization and discovery for a fast-growing social commerce marketplace. You’ll partner with Machine Learning Engineers and product teams to design, build, and deploy models that impact millions of daily buyers and sellers. This is a high-impact, hands-on position ideal for someone passionate about transforming large-scale data into measurable business outcomes.

KEY RESPONSIBILITIES

  • Model Development: Build and refine recommendation, personalization, and ranking models that scale to millions of users and hundreds of thousands of new listings each day.
  • Experimentation: Design and analyze A/B tests, iterating on metrics such as click-through rate, conversion, and listing quality.
  • Collaboration: Work closely with MLEs to move models from prototype to production, ensuring performance and reliability.
  • Data & Insights: Explore large-scale marketplace data to identify trends, create features, and improve model accuracy.
  • Cross-Functional Impact: Partner with product, engineering, and analytics stakeholders to translate business needs into technical solutions.

REQUIREMENTS

  • 3+ years of applied data science or machine learning experience
  • Proficient in Python and deep learning frameworks (PyTorch or TensorFlow)
  • Hands-on with recommendation, ranking, or personalization models at consumer scale
  • Skilled in working with high-volume data and deploying production ML systems
  • Knowledge of full ML lifecycle: development through monitoring
  • Familiar with modern data infrastructure (Databricks, Feature Stores) and cloud platforms (GCP/AWS)

Why Join

  • You’ll join an expanding AI/ML team that’s scaling rapidly to support multiple product squads, offering opportunities to work on cutting-edge projects and deepen your technical expertise. Expect mentorship from senior staff scientists, visibility across teams, and the chance to shape personalized shopping experiences for millions of global users.

Job Tags

Similar Jobs

TransPerfect

Operations Intern (ONSITE) Job at TransPerfect

 ...Operations Intern - Data Analytics Summary: TransPerfect is seeking a highly motivated Operations Intern to support our Operations Analysts and assist the Director of Operations in ensuring the smooth and efficient functioning of our global organization. This internship... 

Bennisson Industries

Watch Authenticator Job at Bennisson Industries

Company Description Bennisson Industries - Bennisson is a World-Class Watch Repair, Authentication, and Service Center. Serving manufacturers, luxury trade groups, and the public globally. Role Description This is a full-time on-site role for a Watch Authenticator...

Element Care

Registered Nurse Job at Element Care

 ...PACE model of care. Demonstrates proficiency in administering nursing care in a professional and respectful manner with the goal of assisting...  ...Proficient in the use of Microsoft Office tools. Ability to travel locally on a frequent basis in a personal vehicle. Ability... 

Confidential

Office Admin & Executive Personal Assistant Job at Confidential

Position Details: We are looking for a highly capable, self-motivated, and detail-oriented Office Administrator & Executive Personal Assistant to the CEO who ensures seamless operations at our Irvine HQ and the CEOs personal residence. This hybrid role requires a...

Southern Glazer's Wine and Spirits

Depot Manager Job at Southern Glazer's Wine and Spirits

Depot Manager Location Lafayette, LA : What You Need To Know Overview Responsible for managing the logistics department in depot/...  ...equivalent education and related experience Proficient in Microsoft Office Suite Strong organization, multi-tasking, and time management...