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Luis Javier Medina Coca

@luisjaviermedinacoca

QA Engineer at GLOBANT researching AWS and AI Kit implementation; previously raised automation coverage from 60% to 95%.

Argentina

Message

At GLOBANT, I research AWS, MCP servers and gateways, and LLM models, and prepare guidelines for implementing the AI Kit with the client’s agent ecosystem.

At PATAGONIAN, I led a migration from PyTest to Playwright that reduced execution time by 40%, and built an automation framework that raised coverage from 60% to 95%. I’ve also developed API and end-to-end tests and integrated automation into CI/CD pipelines.

Experience

Work history, roles, and key accomplishments

Current

QA Engineer

Current

Globant

Apr 2026 - Present (5 months)

Gathered comprehensive information on AWS, MCP, and LLM models, and developed cost presentations for AWS Fargate services. Prepared documentation and guidelines for AI Kit implementation with client's agent ecosystem.

AWS Claude Code GitHub Terraform MCP LLM

QA Engineer & QA Automation

Patagonian

Oct 2023 - Mar 2026 (2 years 5 months)

Led migration from PyTest to Playwright reducing execution time by 40% and built automation framework increasing coverage from 60% to 95%. Integrated automation into CI/CD pipelines and developed API test suite.

Playwright JavaScript Postman Jenkins Azure DevOps CI CD API Testing

Automation QA Engineer

AppDirect

Oct 2022 - Oct 2023 (1 year)

Developed and maintained Cypress E2E automation tests and owned QA lifecycle from planning to reporting. Improved local testing using Docker.

Cypress JavaScript Docker Postman E2E Testing

QA Engineer & QA Automation

Trafilea

Sep 2021 - Sep 2022 (1 year)

Designed, developed, and executed automation scripts using Cypress and managed the release process. Improved system reliability with E2E testing.

Cypress JavaScript Postman API Testing E2E Testing

QA Engineer & QA Automation

Darwoft

Mar 2021 - Sep 2021 (6 months)

Created API integration and UAT tests and improved system reliability with E2E testing.

Cypress Postman API Testing BDD

Automation Quality Assurance

Crowdar

Mar 2020 - Feb 2021 (11 months)

Maintained UI test coverage for the GIRE project, achieving 25% consecutive releases without regression defects. Increased regression coverage by 20% and improved defect detection time by 25%.

Selenium Java Jenkins Jira Regression Testing Exploratory testing