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AILY LABS

Senior Data Practitioner – Data, Analytics Engineering

AILY LABS

Data Practitioner responsible for building reliable, scalable data solutions to power AI decision-making. Collaborating across teams to translate complex data needs into actionable insights.

Posted 6/15/2026full-timeMadrid • 🇪🇸 SpainSeniorWebsite

Tech Stack

Tools & technologies
PythonSQL

About the role

Key responsibilities & impact
  • Lead the design, implementation, and long-term ownership of complex, multi-tenant data platforms
  • Build robust data components using advanced Python for APIs/orchestration and expert SQL for transformation and normalization layers
  • Establish and enforce global data engineering standards and quality frameworks
  • Drive continuous improvements in data infrastructure, modeling, and tooling
  • Mentor junior team members and define best practices for tooling and data craft

Requirements

What you’ll need
  • 4 to 6 years of experience in data engineering or analytics
  • Expert SQL skills (architecting advanced incremental patterns, complex modeling, and query optimization)
  • Advanced Python for services/pipelines (not notebook-only analytics)
  • Deep familiarity with production-grade engineering practices, including CI/CD, test-driven development (pytest), and leading technical code reviews
  • Strong business-domain mindset for translating business data needs into efficient data architectures
  • Strong collaboration skills with Data Practitioners, Data Scientists, Software/ML Engineers, Product teams, and business stakeholders

Benefits

Comp & perks
  • Hybrid work policy: 2 days in the office per week
  • Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonSQLdata engineeringdata modelingquery optimizationCI/CDtest-driven developmentpytestdata transformationdata normalization
Soft Skills
mentoringcollaborationbusiness-domain mindsetcommunicationleadershipbest practices definitioncontinuous improvementteamworkproblem-solvingorganizational skills