I am Pablo Sierra Plasin, a Data Analyst and BI Developer with experience building dashboards and scalable data pipelines using Power BI, Python, SQL, and cloud platforms like Azure Databricks. I translate business questions into actionable analytics, design ETL/ELT processes, and ensure data quality and performance in cloud environments. I have worked with retail clients and cross-functional teams to deliver insights that drive decision-making at scale. I enjoy turning complex data problems into clear, visual solutions. I’m proactive about learning new tools (Pandas, NumPy, scikit-learn, cloud services) and collaborating with stakeholders to optimize processes and deliver measurable results.

Pablo Sierra Plasin

I am Pablo Sierra Plasin, a Data Analyst and BI Developer with experience building dashboards and scalable data pipelines using Power BI, Python, SQL, and cloud platforms like Azure Databricks. I translate business questions into actionable analytics, design ETL/ELT processes, and ensure data quality and performance in cloud environments. I have worked with retail clients and cross-functional teams to deliver insights that drive decision-making at scale. I enjoy turning complex data problems into clear, visual solutions. I’m proactive about learning new tools (Pandas, NumPy, scikit-learn, cloud services) and collaborating with stakeholders to optimize processes and deliver measurable results.

Available to hire

I am Pablo Sierra Plasin, a Data Analyst and BI Developer with experience building dashboards and scalable data pipelines using Power BI, Python, SQL, and cloud platforms like Azure Databricks. I translate business questions into actionable analytics, design ETL/ELT processes, and ensure data quality and performance in cloud environments. I have worked with retail clients and cross-functional teams to deliver insights that drive decision-making at scale.

I enjoy turning complex data problems into clear, visual solutions. I’m proactive about learning new tools (Pandas, NumPy, scikit-learn, cloud services) and collaborating with stakeholders to optimize processes and deliver measurable results.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate

Language

English
Intermediate

Work Experience

Data Analyst at Happy Tickets España
August 1, 2022 - November 4, 2025
Desarrollo de dashboards interactivos en Power BI; diseño de pipelines ETL/ELT con Python y SQL; optimización de dashboards y soporte analítico en entornos cloud (Azure Databricks).
Freelance Data Scientist & BI Developer at Freelance
August 1, 2022 - August 1, 2022
Desarrollo de dashboards en Power BI para clientes del sector retail; automatización de procesos ETL con Python/SQL; implementación de modelos y soluciones de analítica.

Education

Grado en ADE at Universidad de Zaragoza
September 1, 2016 - June 1, 2020
Bachillerato en Ciencias y Tecnología at CEIP Pirámide, Huesca
September 1, 2014 - June 1, 2016
ESO at Salesianos, Huesca
September 1, 2000 - June 1, 2014

Qualifications

Power BI Data Analyst
September 1, 2025 - November 4, 2025
Microsoft Azure Data (DP-900)
June 1, 2025 - November 4, 2025
Bases de datos SQL (Learn SQL)
March 1, 2023 - November 4, 2025
Python Development (Tokyo School)
January 11, 2030 - November 4, 2025

Industry Experience

Computers & Electronics, Software & Internet, Retail, Professional Services, Education