Data Engineer (Azure) – Freelance / Remote

  • València, Spain
  • Full-Time
  • Remote
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Job Description:

We are looking for a Sr. Data Engineer to design and build modern data platforms on Azure. This role focuses on transforming raw data into reliable, scalable, and analytics-ready foundations that support reporting, advanced analytics, and AI-driven use cases.

This is a hands-on engineering role, not just conceptual design. The candidate must be comfortable working across ingestion, transformation, modeling, orchestration, and data quality.

Target profile for this role: Senior Data Engineer (5+ years)

Core Responsibilities

1. Data Engineering & Pipelines

  • Design and implement ETL / ELT pipelines (batch and optional streaming)

  • Build transformations using Python, PySpark, SQL

  • Orchestrate workflows using Azure tools

  • Integrate data from multiple structured and semi-structured sources

2. Data Architecture

  • Design and maintain data lakes / lakehouse architectures

  • Implement medallion architecture (bronze, silver, gold)

  • Define reusable data models for analytics and AI

3. Analytics Enablement

  • Build dimensional and analytical models

  • Support Power BI semantic models

  • Ensure data usability for reporting and dashboards

4. Azure Platform Implementation

  • Configure and manage Azure data services

  • Handle storage, compute, orchestration, and security

  • Ensure production-ready deployments

5. Data Quality & Testing

  • Implement:

    • Data validation rules

    • Pipeline testing (unit + integration)

    • Monitoring and alerting

    • Logging and error handling


Required Skills (Senior Level)

  • Strong experience with:

    • Python (data engineering)

    • PySpark

    • Advanced SQL

  • Hands-on with:

    • Azure Data Factory

    • ADLS Gen2

    • Databricks / Synapse / Microsoft Fabric

    • Git workflows

  • Experience with:

    • Delta Lake / lakehouse architectures

    • Medallion architecture

    • Power BI (DAX + semantic modeling)

Nice to Have

  • CI/CD for data pipelines

  • Azure Key Vault

  • Data governance / cataloging

  • Performance optimization in Spark or Power BI

  • Experience in distributed teams

Language Requirements

English: B1–B2 minimum

Spanish: Native / Fluent


Working Model

  • Remote (full-time dedication expected)

  • Freelance / contractor (AOR model possible)

  • Long-term collaboration opportunity