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Alejandro FernándezAF

Alejandro Fernández

Data Engineer | Data Analyst | IT PMO

€300/day
Madrid, ES
8-15 years

Average response time: 1 hour

About Alejandro

➤ As a Senior Data Engineer, I design and optimize scalable data platforms, turning raw data into accurate, actionable insights using modern data stacks. I have extensive experience in data warehousing, data orchestration, and advanced data transformation. I create analytics solutions that empower data-driven decisions.

I develop secure, maintainable, and scalable data architectures, leveraging best practices in data engineering, data security (RBAC), FinOps, data quality, and observability. My experience includes leading end-to-end data pipelines, implementing scalable and versioned data storage, and establishing robust data quality checks.

I have led and delivered projects in freelance, consulting, technical training, and data management capacities.
💻 𝐇𝐚𝐫𝐝 𝐒𝐤𝐢𝐥𝐥𝐬: Datalake / Datawharehouse / Datamarts design & implementation, Data Integration, Data Modelling, BI suite development and Project Management.
🎯 𝐒𝐨𝐟𝐭 𝐒𝐤𝐢𝐥𝐥𝐬: Focused, proactive, analytical and result-driven.

🛠️ 𝗙𝗶𝗲𝗹𝗱𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: Fraud, credit, project management, finance, hardware, software, insurance and marketing.

🔎 𝗔𝗿𝗲𝗮𝘀 𝗼𝗳 𝗶𝗻𝘁𝗲𝗿𝗲𝘀𝘁: Data Architecture, Cloud Engineering, Cibersecurity, MCPs & AI.
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Making Science
    BI Data Manager
    SOCIAL NETWORKS
    April 2025 - Today (1 year and 2 months)
    Department creation, RFPs and quotes, design & implement data architectures, establish data governance frameworks, evaluate & select technologies, oversee data integration & pipelines, provide technical leadership & mentorship, develop & communicate data strategy.
    Python Looker Studio Microsoft Power BI Snowflake BigQuery
  • Capitole Consulting
    Cloud Data Engineer
    TECH
    April 2024 - April 2025 (1 year)
    Develop and optimize data lake solutions, build and manage data pipelines, collaborate with data scientists and analysts, optimize performance and cost-efficiency, develop and enforce best practices.
    BigQuery Data Fusion Looker DBT Python
  • Outvise
    Freelance Data Science & BI Developer
    January 2024 - May 2025 (1 year and 4 months)
    Develop data analysis strategies, design and implement business intelligence (BI) solutions, database management and optimization, develop and execute ETL processes, optimize business processes through advanced analytics, collaborate with multidisciplinary teams, present insights and recommendations to stakeholders.
    SQL Server Python Talend Microsoft Power BI

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Education

  • Bachelor of Computer Science
    Universitat Carlemany
    2025
  • Master's degree in Finance & Banking
    UNIR - La Universidad en Internet
    2022

Skill set (34)

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