> Markdown version of [/jobs/ext/3717036-data-science-expert-remote](https://www.wearedevelopers.com/jobs/ext/3717036-data-science-expert-remote). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Science Expert - Remote - **Company:** YO IT CONSULTING - **Location:** Spain (Remote available) - **Contract:** Contract - **Skills:** A/B Testing, Artificial Intelligence, Python (Programming Language), SQL Databases, Stripe - **Published:** October 13, 2026 - **Apply:** https://www.jobleads.com/es/job/data-science-expert-remote--spain--e23bdcd9cb592ad573db6aa6e284af9ee ## About the Role * 5+ years of professional data science experience in industry * Background in business operations, product, or growth data science at top-tier technology companies * Deep fluency in experiment design and A/B testing, metric definition, SQL/Python analysis, and communicating findings to executive stakeholders * Exceptionally strong written communication * Detail-oriented, consistent, and comfortable having your judgment reviewed and calibrated against peers * Prior experience with AI training, evaluation, or human-data projects is a strong plus ## Description Job Title: Data Scientist Job Type: Contractor Location: Remote Role Overview Partnering with a leading AI research organization to engage experienced data scientists for a project focused on evaluating how well AI systems perform real-world data science work. Rather than producing deliverables yourself, you will define what excellent work looks like: designing task-specific grading criteria and scoring completed work samples with rigorous, well-reasoned written justifications. Key Responsibilities * Design precise, task-specific grading criteria for real-world data science deliverables (analyses, models, dashboards, experiment readouts, and written recommendations) * Score AI-generated and human work samples against those criteria, with detailed written justifications for every score * Apply consistent, evidence-based judgment so that scores are reproducible and defensible * Incorporate structured feedback from senior reviewers and iterate quickly on your work Ideal Qualifications * 5+ years of professional data science experience in industry * Background in business operations, product, or growth data science at top-tier technology companies * Deep fluency in experiment design and A/B testing, metric definition, SQL/Python analysis, and communicating findings to executive stakeholders * Exceptionally strong written communication * Detail-oriented, consistent, and comfortable having your judgment reviewed and calibrated against peers * Prior experience with AI training, evaluation, or human-data projects is a strong plus Application Process * Qualified applicants may be asked to complete a brief technical assessment or submit additional information We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request. Contract and Payment Terms * You will be engaged as an independent contractor. * This is a fully remote role that can be completed on your own schedule. * Projects can be extended, shortened, or concluded early depending on needs and performance. * Payments are weekly on Stripe or Wise based on services rendered.