Job Overview
Location
US California (Redwood City) - Office
Job Type
Full-time
Category
Data Science
Date Posted
July 10, 2026
Full Job Description
📋 Description
- • Lead end-to-end data science initiatives, from ideation to deployment, delivering measurable business impact through projects such as feed personalization, product recommendation systems, computer vision and GenAI.
- • Collaborate cross-functionally with ML engineers, product managers, and business stakeholders, to design and deploy high-impact models.
- • Develop scalable solutions for key areas of product, marketing, operations, and community functions.
- • Own the entire ML development lifecycle: data exploration, model development, deployment, and performance optimization.
- • Explore and experiment with emerging AI trends, technologies, and methodologies to keep Poshmark at the cutting edge.
🎯 Requirements
- • 5–8 years of experience building scalable data science solutions in a big data environment.
- • Hands-on experience with key machine learning algorithms, including CNNs, Transformers, and Vision Transformers.
- • Proficiency in Python, SQL, and Spark (Scala or PySpark), with experience in deep learning frameworks such as PyTorch or TensorFlow.
🏖️ Benefits
- • 6-Month Accomplishments: Develop comprehensive understanding of Poshmark's data platform and key datasets.
- • 12+ MONTH ACCOMPLISHMENTS: Collaborated with ML engineers and other data scientists to establish best practices for managing and maintaining machine learning models in production, enhancing system reliability.
- • Mentor junior scientists/engineers, fostering a culture of continuous learning and development within the team.
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
About Poshmark, Inc.
Poshmark operates a social commerce marketplace where users buy and sell new and secondhand fashion, accessories, beauty, and home goods. Founded in 2011 and headquartered in Redwood City, California, the platform combines mobile listings, peer-to-peer shipping, and community features such as virtual Posh Parties. Sellers photograph items with their phones, set prices, and ship directly to buyers using prepaid labels. The company earns revenue through transaction fees and optional seller services, while offering authentication for luxury items. Poshmark expanded into Canada in 2019 and Australia in 2020, and was acquired by Naver in January 2023.
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