Andrea Montes

Senior Data Engineer
mamontesp@gmail.com

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Professional Experience

Senior Data Engineer I

Qventus (Remote)
08/2024 – Present

Designed and implemented a star schema for milestones data mart to track patients’ hospital journey progress.
Automated validation process for core business models, reducing validation time from 2 days to immediate availability.
Increased test coverage for core business models from 50% to 80%.

Senior Data Engineer I

Terminal Labs (Remote)
05/2023 – 08/2024

Migrated from a legacy product to a modern data stack (DBT, Dagster, Terraform, AWS, Iceberg tables, Looker). Reduced update intervals from 8 days to daily.
Implemented a fail-fast mindset, shortening deployment cycles from 2 weeks to twice daily.
Enhanced observability features, reducing debug time from 2 days to 15 minutes.
Developed a SQL Glot tool to port Postgres SQL to ANSI SQL, converting over 500 client reports in 3 days.

Data Engineer II

Terminal Labs (Remote)
04/2022 – 05/2023

Built a classification algorithm for event standardization across 250+ clients, achieving 98% accuracy and saving 40+ hours/week.
Migrated raw SQL processes to DBT models, improving data update frequency from 4-6 days to approximately 1 day.
Improved data quality to 95% using tools like Airflow, Buildkite, and Looker.

Data Engineer I

Globant (Bogotá, Colombia)
09/2021 – 04/2022

Supported a DWH star schema environment and AWS Step/Lambda functions for orchestration.
Automated deployment processes and reduced production errors by 30% through GitLab CI/CD pipelines.

QA Senior Automation Engineer

Globant (Bogotá, Colombia)
09/2019 – 09/2021

Automated tests for web and mobile platforms using Robot Framework, increasing test coverage by 60%.
Designed test cases and implemented continuous integration using Jenkins.

Education

BSc Electronics Engineer

Universidad Nacional de Colombia (Bogotá, Colombia)
2012 – 2017
Relevant Courses: Software and Hardware, Digital Signal Processing, Control Systems, Microcontrollers, Telecommunications, Data Structures, Algorithms, Programming, Mathematics.

Visitor Scholar

Purdue University (Indiana, USA)
2017
Research on nanostructured materials and electromigration phenomena, as part of a scholarship program between Universidad Nacional de Colombia and Purdue University.

Skills

Orchestration: Airflow, Dagster, AWS Step Functions, dbt Cloud
ETL: dbt, Iceberg tables, Postgres, Trino (Starburst), Snowflake, Airbyte, AWS stack (DMS, Glue Jobs, Lambda Functions, EC2, Batch, RDS)
Deployment: Docker, Kubernetes, CI/CD
Data Visualization: Looker, Superset
Soft Skills: Planning, Organized, Creative Problem-Solving, Team Work, Active Listening, Adaptability, Analytical Thinking

Languages

English: Fluent
Spanish: Native