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Lead Data Scientist

Remote · Portugal Full-time

Description

KEY RESPONSIBILITIES:

  • Lead high-impact analytical and modelling projects from problem definition to measurable business outcome.
  • Translate ambiguous commercial questions into well-structured statistical or optimisation problems.
  • Design and run robust analyses, including:
  • Hypothesis testing
  • Experimental design (A/B and quasi-experimental)
  • Power calculations
  • Model validation and back testing
  • Build predictive and prescriptive models using appropriate statistical and machine-learning methods.
  • Critically assess model assumptions, bias/variance trade-offs, overfitting risks, and data limitations.
  • Clearly communicate uncertainty, limitations, and trade-offs to non-technical stakeholders.
  • Partner with engineering teams to ensure models are implemented reliably and responsibly in production.
  • Contribute to our standards for validation, documentation, and reproducible analytical practice.
  • Mentor the junior members of the team.

Lead analytics projects; translate business questions into statistical problems; design analyses; build models; mentor team.

Key Responsibilities

  • Lead projects
  • Translate questions
  • Design analyses

Job Details

  • Category: Data and Analytics
  • Seniority: Senior Level
  • Commitment: Full Time
  • Workplace: Remote — United States
  • Languages: English

About Delta Global Technology Hub

A technology-focused organization delivering data-driven solutions. — Industry: Information Technology

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