Ángel René Herrera Calzada

Python Developer

Tata Consultancy Services (Morgan Stanley Client)

Apr 2022 - Present

New York, United States · Hybrid

Data Engineer and Python Developer Specializing in ELT, CI/CD, and Observability

• Designed, developed, and maintained a custom Python library for data ingestion and transformations in Snowflake, supporting data extraction from various sources (Sybase, DB2, IBM-MQ, WEBAPIS), file-based data ingestion, and pushing data to different database targets.
• Integrated observability with OpenTelemetry for tracing, logging, and metrics, providing detailed information for resource usage, data loading, statuses, and transformations.
• Implemented CI/CD pipelines using GitHub and Jenkins for streamlined deployment, with all code published in MSPypi.
• Ensured code quality and security using Snyk and SonarQube.
• Developed comprehensive tests using pytest and documented the library using Sphinx.
• Followed Software Development Life Cycle (SDLC) best practices for structured and efficient development processes.
• Utilized tools such as Git, Bitbucket, GitHub, Jira, Jenkins, and Informatica to support project needs.

Full Stack Developer

INEGI (National Institute of Statistics and Geography)

2020 - 2022

Aguascalientes, Mexico · Hybrid

• Conducted geospatial analysis using QGIS and PostGIS
• Developed web applications for data visualization and analysis
• Collaborated on projects involving large-scale data processing

PHP Developer

Various Roles

2018 - 2020

• Developed and maintained web applications using PHP and MySQL
• Implemented front-end designs using HTML, CSS, and JavaScript
• Collaborated with cross-functional teams to deliver high-quality software solutions