Roberto Castillo

QA Engineer

México

rct18130984@gmail.com

LinkedIn
RC

About

QA Engineer with 3+ years of experience in end-to-end quality tests across 15+ projects in e-commerce, healthcare, logistics, and finance, leading 7 of them end-to-end. Proven ability to own the full testing lifecycle, covering everything from requirements analysis and test design to CI/CD integration and defect triage, in fast-paced consulting environments where adaptability and autonomy are critical. Combines strong automation skills (Playwright, Cypress, Jest) with hands-on experience in enterprise platforms such as Salesforce Marketing Cloud and Sitecore, consistently aligning quality efforts with product goals and client expectations. Leverages AI-assisted workflows, including Claude Code, to accelerate test development and improve overall efficiency. Comfortable working with distributed, international teams and contributing beyond QA when needed.

Work Experience

Inetum logoInetum
Remote

2025 - Present

Quality Engineer

  • Led the end-to-end quality strategy for a Sitecore-based CMS platform, covering unit, functional, SIT, UAT, automated, and accessibility testing.
  • Created detailed test plans including test strategies that defined scope, objectives, types of testing, resources, and schedules.
  • Designed and wrote the complete test suite with test cases based on functional requirements, applying diverse testing techniques.
  • Built and maintained Playwright automation scripts integrated into Azure DevOps pipelines for continuous validation.
  • Used Google Lighthouse to ensure ADA compliance and WCAG 2.1 standards.
  • Conducted performance testing including spike and load scenarios to evaluate scalability and reliability.
  • Managed work items, defect tracking, and sprint planning through Azure DevOps, prioritizing issues based on severity and impact.
  • Created detailed supporting documentation to facilitate and back QA processes and team understanding.
  • Generated detailed testing reports to communicate results, issues, and quality metrics to stakeholders.
  • Validated Salesforce Marketing Cloud lead records, ensuring data integrity and accuracy across marketing workflows.

Divelement logoDivelement
Remote

2023 - 2025

QA Engineer

  • Reviewed software requirements for clarity, completeness, and testability, then translated them into detailed test plans covering strategy, scope, environments, and schedules.
  • Designed and executed manual and automated test cases across functional, integration, system, and UAT phases, including test data creation and regression coverage.
  • Built and maintained automation frameworks using Playwright and integrated them into CI/CD pipelines for consistent, repeatable testing cycles.
  • Tracked and triaged defects in JIRA, prioritizing by severity and impact.
  • Assessed performance, scalability, and stability under varying conditions using K6.
  • Validated content-driven applications across multiple CMS platforms including Contentful, Sanity, Netlify, and Drupal.
  • Collaborated closely with cross-functional teams to align quality efforts with product goals and deliver clear, actionable feedback throughout the development lifecycle.

Milwaukee Tools logoMilwaukee Tools
On-site

2022 - 2022

QA & Testing Intern

  • Developed a C# application supporting 200+ simultaneous users to manage and store 800+ daily records in a SQL Server database, ensuring performance and reliability at scale.
  • Designed the underlying database schema using normalized tables, views, and primary/foreign keys, accommodating 100,000+ records with efficient querying and data export capabilities.
  • Built Power BI dashboards to support laboratory management, productivity analysis, and executive reporting, translating raw operational data into actionable business insights.

Education

Instituto Tecnológico de La Laguna

2018 - 2022
Bachelor of Mechatronic Engineering

Skills

JavaScript
TypeScript
HTML
CSS
SQL
Playwright
Cypress
Jest
Postman
K6
Google Lighthouse
Burp Suite
Azure DevOps
GitHub Actions
CI/CD
Git
GitHub
JIRA
Asana
ClickUp
Sitecore
Salesforce Marketing Cloud
Contentful
Sanity
Drupal
Claude Code
AI-Powered Testing
Power BI
Tableau
Figma
Automation Testing
Functional Testing
Integration Testing
System Testing
User Acceptance Testing (UAT)
Regression Testing
Performance Testing
Accessibility Testing (ADA / WCAG 2.1)
Security Testing (OWASP)
Exploratory Testing
Test Strategy & Planning

Certifications & Courses