Senior Ecommerce & Marketplace Analyst

STELLE ATHLETICA INC•Hayward, CA

About The Position

Stelle Athletica is an activewear brand for women and girls that creates quality apparel designed for everyday movement. For over a decade, our woman-led team has supported moms and active kids with dancewear, athletic wear, and classic staples. By blending timeless designs with durable materials, Stelle empowers women to move confidently in pieces that help them look, feel, and perform their best. Our mission is to create quality activewear that empowers women and girls to pursue their passions confidently through every stage of life. We are looking for a highly analytical and business-driven Senior Ecommerce & Marketplace Analyst to help scale our ecommerce operations, improve forecasting accuracy, and drive smarter growth decisions across Shopify, Amazon, and paid marketing channels. This role sits at the intersection of ecommerce, marketplace operations, marketing analytics, and inventory planning. You will analyze performance across our website and Amazon business, build forecasting models, identify growth opportunities, and deliver actionable insights that improve revenue, profitability, and operational efficiency. The ideal candidate combines strong analytical skills with hands-on ecommerce experience and understands how data translates into business decisions.

Requirements

3+ years of experience in ecommerce, marketplace analytics, business intelligence, or related roles
Strong experience with Shopify and Amazon Seller Central
Advanced Excel / Google Sheets skills
Experience with GA4 and ecommerce reporting
Strong analytical and problem-solving abilities
Ability to work independently in a fast-paced environment
Strong communication and presentation skills

Nice To Haves

Experience in apparel, fashion, activewear, or consumer brands
SQL or data visualization experience (Looker Studio, Tableau, Power BI, etc.)
Experience with Amazon PPC analytics
Knowledge of inventory forecasting and demand planning
Familiarity with Triple Whale, Northbeam, or similar attribution platforms
Experience working with cross-functional ecommerce teams

Responsibilities

Analyze Shopify and GA4 performance data including conversion rate, AOV, CAC, customer retention, product performance, and funnel behavior.
Build dashboards and recurring business reports for leadership.
Identify opportunities to improve conversion, merchandising, and customer experience.
Conduct cohort and customer lifetime value analysis.
Monitor Amazon Seller Central performance including sales trends, TACOS / ACOS, keyword rankings, inventory health, buy box performance, and review trends.
Analyze marketplace profitability and advertising efficiency.
Partner with marketplace and advertising teams to improve ranking and revenue growth.
Support pricing and promotional strategy through data analysis.
Develop sales forecasting models by SKU, category, and channel.
Support inventory replenishment and demand planning.
Analyze seasonality, product trends, and sales velocity.
Help reduce stockouts and excess inventory risk.
Collaborate with operations and supply chain teams on planning decisions.
Create automated dashboards and reporting systems.
Present insights and recommendations to leadership.
Translate complex data into clear business actions.
Support strategic planning with financial and operational analysis.