Isaias G — ETL and Data Engineer

Data Platform Engineer - Banking, Retail, and Insurance Clients.

Duration: December 2025 - Present (8 months)

Summary:

• Lead and Data Platform Engineer delivering end-to-end data solutions for banking, retail, and insurance clients
• Focus on scalable cloud architectures on AWS emphasizing reliability, cost efficiency, and governance
• Build and operate high-volume data platforms, industrialize ML models, and develop Python APIs

Responsibilities:

• Translate functional and technical requirements into scalable cloud architectures on AWS.
• Build and operate high-volume data platforms using PySpark and Databricks.
• Industrialize ML models from experimentation to production.
• Develop robust Python APIs to expose data and services.
• Design and automate resilient pipelines with Apache Airflow and Azure Data Factory.
• Implement Infrastructure as Code using Terraform for repeatable, auditable deployments.

Technologies: AWS, PySpark, Databricks, Python, Apache Airflow, Azure Data Factory, Terraform

Databricks Lead - Latorre Digital Nexus

Duration: March 2024 - December 2025 (1 year 10 month)

Summary:

• Provided consulting services with expertise in Databricks and cloud solutions for clients in banking, retail, and insurance sectors
• Delivered cloud solutions on AWS and Azure with a focus on data management and ML model industrialization

Responsibilities:

• Gather technical and functional requirements.
• Design and implement cloud solutions on AWS and Azure.
• Manage large volumes of data using PySpark.
• Orchestrate data pipelines with Apache Airflow and Azure Data Factory.
• Industrialize machine learning models.
• Develop Python APIs.
• Implement Infrastructure as Code with Terraform.

Technologies: Databricks, AWS, Azure, PySpark, Apache Airflow, Azure Data Factory, Terraform, Python

Lead Senior Data Engineer - Santander Bank (Anti-Money Laundering and Terrorism Financing Prevention Project)

Duration: March 2023 - May 2025 (2 years 3 months)

Summary:

• Development of a project focused on preventing money laundering and terrorism financing in banking and cloud environments
• Managed large data volumes and optimized Spark configurations

Responsibilities:

• Develop solutions in banking and cloud environments.
• Handle large volumes of data.
• Optimize Spark resource configurations.
• Use Thetaray technology.
• Manage releases.
• Act as liaison between Architecture and technical teams.
• Manage and supervise developers.
• Participate in international projects.

Technologies: Spark, Thetaray

Data Engineer - Telefónica

Duration: June 2022 - March 2023 (10 months)

Summary: Developed an API to manage company product certificates and their renewals using RESTful services and containerized applications.

Responsibilities:

• Develop API using REST, Python, Flask, AIRFLOW, OpenAPI, and PostgreSQL.
• Use Docker for container management.
• Review and control code quality with tests (Pytest), code coverage, and documentation.
• Manage and create ETLs with Python for data cleaning.

Technologies: Python, Flask, AIRFLOW, OpenAPI, PostgreSQL, Docker, Pytest

Desarrollador Python - Laboratorio GL (Database Management, Marketing Campaigns, and Web Development)

Duration: October 2018 - June 2022 (3 years 9 months)

Summary:

• Developed and managed databases, conducted marketing campaigns, maintained servers, and developed websites
• Used virtual machines to address compatibility issues with legacy systems

Responsibilities:

• Develop and manage databases using Python, MySQL, and SQLite.
• Conduct marketing campaigns with Google Adwords for client acquisition.
• Create and maintain servers.
• Design, develop, and maintain websites in HTML5.
• Use VMWare virtual machines to resolve compatibility issues with obsolete systems.

Technologies: Python, MySQL, SQLite, Google Adwords, HTML5, VMWare

Programador y desarrollador - Viar Warfare

Duration: September 2017 - October 2018 (1 year 2 months)

Summary: Developed object-oriented programming in Blueprint and created virtual reality scenarios using Unreal Engine 4 and 3D modeling tools.

Responsibilities:

• Program in Blueprint (object-oriented programming).
• Use Unreal Engine 4 for development.
• Create 3D models using 3D Studio, Blender, Maya, and Substance Painter.
• Create virtual reality scenarios.

Technologies: Blueprint, Unreal Engine 4, 3D Studio, Blender, Maya, Substance Painter