Sr. Lead Data Analyst (Merchandising and Revenue)

Poshmark, Inc.

Job Overview

Location

US California (Redwood City) - Office

Job Type

Full-time

Full Job Description

📋 Description

• Serve as the primary data partner for Product, Engineering, and Business leaders across the Shows and Merchandising organizations, providing data-driven guidance to shape product strategy and operational decisions.
• Lead end-to-end analytics initiatives from metric definition and dashboard development to deep-dive analyses that inform product innovation, merchandising optimization, and buyer engagement strategies.
• Design, execute, and analyze A/B tests and quasi-experiments to measure the impact of new features, algorithm changes, and merchandising campaigns, applying rigorous statistical methods to ensure valid causal inference.
• Analyze viewer engagement metrics, host performance patterns, auction dynamics, and conversion funnels to optimize the Posh Shows live shopping ecosystem and increase buyer participation and seller revenue.
• Evaluate supply and demand trends, search and discovery efficacy, and personalized recommendation performance to enhance inventory liquidity, improve product visibility, and drive marketplace-wide engagement.
• Integrate Generative AI tools (e.g., Gemini, Claude, ChatGPT) into daily workflows to accelerate SQL and Python code generation, automate repetitive analytical tasks, and increase analytical output efficiency without compromising accuracy.
• Build, maintain, and scale robust data models that support reporting, experimentation, and strategic analysis across merchandising and revenue domains.
• Develop intuitive, automated dashboards using Looker or Tableau to deliver real-time insights to cross-functional teams, ensuring accessibility and actionability of key performance indicators.
• Mentor junior data analysts by providing technical guidance, reviewing analytical approaches, and fostering a culture of data rigor, curiosity, and ownership.
• Translate complex analytical findings into clear, compelling narratives for non-technical stakeholders, aligning data insights with business objectives to drive decision-making at all levels.
• Collaborate with Engineering to ensure data pipeline integrity and accuracy, advocating for data quality standards and documentation practices across analytics initiatives.
• Establish and evolve KPI frameworks for merchandising and revenue teams, ensuring alignment with company-wide goals and enabling consistent measurement of success across initiatives.
• Proactively identify opportunities to improve data infrastructure, analytical processes, and reporting automation to reduce manual effort and increase scalability of the analytics function.
• Support the development of data literacy across the organization by leading training sessions, sharing best practices, and promoting the adoption of data-driven mindsets in product and business teams.
• Maintain deep familiarity with Poshmark’s marketplace dynamics, including seller behavior, buyer preferences, and the unique characteristics of social commerce, to ground analytical work in operational reality.
• Work closely with Product teams to define success metrics for new features and ensure analytical rigor is embedded in the product development lifecycle from ideation through launch.

🎯 Requirements

• 7+ years of experience in Data Analytics, Data Science, or a related field, with a strong preference for experience in e-commerce, marketplaces, or live streaming
• Expert-level proficiency in SQL
• Strong programming skills in Python or R for data manipulation and statistical analysis
• Practical, hands-on experience using LLMs (e.g., Gemini, ChatGPT, Claude) to write and optimize queries, troubleshoot code, and perform analytics tasks with high efficiency
• Advanced experience with BI tools such as Tableau, Looker, or similar platforms
• Deep understanding of A/B testing methodologies, statistical significance, and causal inference techniques
• Demonstrated experience leading cross-functional projects and mentoring peers
• Bachelor’s or Master’s degree in a quantitative field (e.g., Statistics, Mathematics, Computer Science, Economics) or equivalent practical experience

🏖️ Benefits

• Competitive compensation
• Comprehensive benefits
• Collaborative, inclusive work environment

Skills & Technologies

Python

Senior

Onsite

Degree Required

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Poshmark, Inc.

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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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