Martin Sanchez
About
Detail
Data Engineer | Data Scientist | Data Analytics
Medellín, Antioquia, Colombia
Contact Martin regarding:
work
Full-time jobs
Starting at
USD4k/month
Résumé
Jobs
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Data EngineerReminderMediaSep 2025 - Mar 2026 (7 months)● Owned reliability of ETL/ELT pipelines on Airflow and Snowflake for accurate data delivery. Built Python ingestion jobs integrating on-prem DBs, AWS, APIs, and Redshift-compatible workflows into Snowflake. ● Orchestrated PySpark and dbt transformations on Snowflake for ELT modeling and analytics in Agile development environments. ● Improved observability with Prometheus and Grafana, tracking DAGs and scheduler health. ● Strengthened Snowflake data trust with Great Expectations and SQL-based validations to reduce downstream breakages. ● Administered Linux servers hosting Palantir components to ensure seamless data integration and platform operations. ● Collaborated with stakeholders and engineering teams using Agile methodologies to improv- Data EngineerMercadoLibreApr 2024 - Apr 2025 (1 year 1 month)Built Databricks ETL/ELT pipelines with PySpark for scalable processing across GCP and AWS. Designed ingestion workflows into a Data Lake and Data Warehouse with high-performance design. ● Developed Databricks notebooks and dbt models for transformation, monitoring, and exploratory analysis. Applied DevOps and Agile methodologies for testing, version control, and pipeline deployment. ● Collaborated with analytics, QA, and cross-functional Agile teams on data quality and business KPIs. ● Leveraged workflow orchestration concepts, similar to Airflow's functionality, for efficient scheduling and monitoring of data pipelines. ● Utilized Palantir Foundry's data integration capabilities to streamline complex data workflows and enhance data govern
- Data EngineerXMISep 2020 - Current (5 years 10 months)Role and Responsibilities: • Administering, maintaining, and adjusting Colombia's electricity database using both SQL and NoSQL database systems. • Conducting data consultations and analysis, creating API-REST endpoints, and implementing automation to ensure data quality and integration with data warehousing solutions. • Utilizing Python for data selection, cleaning, statistical analysis, and presenting results, as well as applying machine learning techniques for advanced insights. • Collaborating in the data quality project to ensure information integrity, data consumption, and ongoing maintenance, leveraging ETL tools and data structures for streamlined workflows.
- Data EngineerIEBMay 2019 - Aug 2020 (1 year 4 months)Role and Responsibilities: • Manage electrical databases (SQL and NoSQL), create API-REST for consumption and visualization studies, and utilize data selection, cleaning, statistical analysis, and presenting results. • Develop Python automation (including ETL tools) to streamline processes, implement optimizers, Develop Python automation (including ETL tools) to streamline processes, implement optimizers, as well as applying machine learning techniques for advanced insights. • Maintain information for energy-related processes, including data selection, cleaning, statistical analysis, presenting results, and utilizing ETL tools.
Education
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- Master's degree, EngineeringUniversidad ded AntioquiaJan 2021 - May 2023 (2 years 5 months)Skills: Optimization · Numerical Analysis · Machine Learning · Data Analysis · Python (Programming Language)
- Engineer's degree, Electrical and Electronics EngineeringUniversidad ded AntioquiaJun 2012 - Dec 2018 (6 years 7 months)