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Senior Data Scientist, Consumer

Sword
Remote
Full Time
Posted February 3, 2026
Not Specified
Remote
Visa Sponsored
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Job Description

A Senior Data Scientist role focused on building and driving growth strategies for a new direct-to-consumer mental health platform through experimentation, user behavior analysis, and collaboration with cross-functional teams in a startup environment.

Key Responsibilities

  • Transform raw user behavior data into actionable growth strategies.
  • Partner with Product, Engineering, and Growth teams to build measurement frameworks from scratch.
  • Uncover key moments in the user journey to optimize engagement and retention.
  • Design and analyze experiments to inform product and growth decisions with statistical rigor.
  • Understand user behavior to improve funnels, retention, and lifetime value (LTV).
  • Define and establish the data culture within the consumer team.

Requirements

  • Proven experience in a data science or analytics role with a focus on understanding user behavior, improving funnels, retention, and lifetime value (LTV).
  • Ability to transform raw user behavior data into actionable growth strategies and inform high-stakes product and growth decisions.
  • Experience building measurement frameworks from scratch in a 0-1 environment, partnering directly with Product, Engineering, and Growth teams.
  • Strong statistical skills to ensure experiments are grounded in statistical rigor and to analyze experiment results effectively.
  • Demonstrated ability to define and develop a data culture within a team or organization.
  • Experience in an analytics-first, experimentation-driven environment, focusing on understanding user behavior and driving product growth.
  • Ability to uncover key insights and 'Aha!' moments in the user journey to inform product development and growth strategies.
  • Experience working in a fast-moving, ambiguous environment, with the autonomy to drive growth from the initial stages of a product launch.
  • Candidates must possess a valid EU visa and be based in Portugal, with the ability to work remotely.
  • Excellent collaboration skills to partner directly with Product, Engineering, and Growth teams.

Benefits & Perks

Health, dental and vision insurance
Meal allowance
Equity shares
Remote work allowance
Flexible working hours
Work from home
Discretionary vacation
Snacks and beverages
English class

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