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Nicolas AlonsoNA

Nicolas Alonso

Data Engineer

€280/day
Barcelona, ES
3-7 years

Average response time: 1 hour

About Nicolas

Data Engineer with 4+ years of experience building and optimizing data pipelines across cloud environments. I specialize in dbt, Snowflake, and Airflow, AWS and Azure

helping teams go from messy raw data to clean, reliable models ready for analytics.
I’ve worked across pharma (Boehringer Ingelheim) and insurance tech (Allianz), building ELT pipelines, data quality layers, and transformation frameworks on AWS and Azure.

Available for short-term, project-based work: pipeline builds, dbt model reviews, Snowflake optimization, or data architecture consulting. I work async and remotely
  • English

    Native or bilingual

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Allianz
    Data Engineer
    September 2025 - Today (10 months)
    • • Enhanced the data transformation layer by refining models, improving logic, and tightening data quality, resulting in cleaner and more trustworthy datasets for downstream teams.

    • • Strengthened overall workflow performance by simplifying processes, and contributing to smoother coordination between ingestion, transformation, and delivery stages
    Microsoft Azure DBT Docker Databri Jenkins
  • ERNI/BoehringerIngelheim
    Data Engineer
    July 2024 - September 2025 (1 year and 2 months)
    • • Design, build, and maintain robust and scalable data pipelines to support a critical medtech application.
    • • Leverage cloud-based ETL tools to ingest, transform, and load data from various sources into a data warehouse.
    • • Implement data quality checks and monitoring to ensure data accuracy and reliability.
    AWS Snowflake Airflow DBT
  • AraVinc
    Data Engineer
    May 2022 - September 2024 (2 years and 4 months)
    • • Designed and implemented automated data pipelines for data extraction, transformation, and analysis.
    • • Increased data accessibility and efficiency by automating data pipelines and reports.

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Education

  • Master's degree
    EAEBusinessSchool
    2022
    Master's degree
  • Bachelor of Business Management
    PontificiaUniversidadJaveriana
    2020
    Bachelor of Business Management

Skill set

Categories