Marcos Pajon

Development and modernization of scalable data pipelines and cloud-based data solutions on Google Cloud Platform.
Activities:
• Designed, developed, and maintained scalable batch and data processing pipelines using Dataflow, Apache Beam, and BigQuery.
• Built and orchestrated data workflows using Cloud Composer, integrating multiple GCP services and data sources.
• Designed data storage and lifecy

My tenure with Delta Airlines was marked by significant contributions to their data infrastructure and operational efficiency.
Activities:
• Writing and maintaining queries on RDS PostgreSQL, ensuring efficient data retrieval and manipulation to support critical business operations;
• Spearheading infrastructure deployment using AWS CDK (Cloud Development Kit), enabling seamless and repeatable inf

During my tenure with Lululemon, I played a pivotal role in optimizing their data infrastructure and ensuring the reliability of their analytics processes.
Activities:
• Writing and maintaining queries on RDS PostgreSQL and Snowflake, facilitating efficient data retrieval and manipulation;
• Designing and implementing automated data pipelines using Airflow, streamlining the flow of information and

Development, support, and maintenance of ETL pipelines across Hadoop and GCP-based data platforms
Activities:
• Developed, maintained, and supported ETL pipelines across Hadoop and GCP environments using Scala, Java, and Bash.
• Built and optimized data processing workflows using Spark, Hive, Presto, and Imhotep (IQL).
• Developed and maintained Airflow workflows for scheduling and orchestrating

Develop, support, and maintain ETL processes and analytics. Most of the architecture was deployed in GCP cloud solution.
Activities:
• Designed and maintained ETL pipelines and data processing workflows on GCP.
• Developed distributed data processing jobs using PySpark on Dataproc.
• Built analytical datasets and optimized data processing in BigQuery.
• Implemented event-driven and data ingesti

Development and maintenance of data ingestion pipelines and analytics workloads on an AWS-based data platform.
Activities:
• Developed and maintained data ingestion and ETL pipelines across AWS-based data platforms.
• Built and supported distributed processing workloads using AWS EMR, Glue, Spark, and S3.
• Designed and maintained workflow orchestration using AWS Step Functions, Batch, Lambda, a

Design and support of near-real-time and batch data processing architectures on AWS.
Activities:
• Designed and supported near-real-time data ingestion architectures on AWS.
• Implemented containerized ingestion services using Docker, Node.js, and Apache Flume to stream data into Amazon Kinesis.
• Developed batch processing pipelines for historical data using AWS Glue and PySpark.
• Designed S3

Migration of data workloads and infrastructure from an on-premise environment to AWS, including temporary data provisioning for Data Science teams.
Activities:
• Designed and executed the migration of data workloads from an on-premise environment to AWS.
• Migrated and organized large-scale datasets using Amazon S3 as part of the target cloud architecture.
• Developed and maintained Spark and Hi

Development and maintenance of Big Data analytics and ingestion workflows on a Cloudera-based platform.
Activities:
• Designed and maintained analytical data workflows on a Cloudera-based Big Data platform.
• Developed Python automation to manage Hive script dependencies and parallelize independent workloads.
• Built and maintained data ingestion processes from Oracle using Sqoop and orchestrat

Worked as Software Developer at Globant.

Preferred Seats project for LAN Airlines. Worked under the Scrum methodology. Used Java and related frameworks (JUnit, Spring, and JBehave) for back-end development. Utilized JavaScript and various frameworks (Backbone, jQuery, Underscore, and Grunt as a task runner) for front-end development.

Worked as php developer at Globant.

I worked as a consultant in the web application development area, collaborating with major international companies such as Estée Lauder, Aveda, Marks & Spencer, among others.

During this time, I worked on developing and maintaining websites, primarily using PHP and Joomla.

Teaching Assistant, supporting the lead professor by addressing student questions and assisting with the review and grading of assignments.

Teaching Assistant supporting the lead professor by addressing student questions

Teaching Assistant, supporting the lead professor by addressing student questions and assisting with the review and grading of assignments.

Aug 2025 · Expires Aug 2027

May 2015