Hi, I'm Marco De Jesus
Software Development Engineer in Test | QA Automation Manager
Experienced Engineering Manager and QA Automation Leader with 14+ years transforming testing efficiency through AI-powered automation. Expert in Cursor AI, Model Context Protocol, and multi-LLM agents.
About Me
Experienced Engineering Manager and QA Automation Leader with 14+ years in software engineering, platform automation, and quality assurance. Proven track record of delivering high-quality software solutions across cloud platforms and enterprise applications.
Skilled in building cross-functional teams, driving QA strategy, and implementing CI/CD pipelines to optimize development and deployment processes. Expert in AI-powered test automation, leveraging cutting-edge technologies including Cursor AI, Model Context Protocol (MCP), and multi-LLM agents to transform testing efficiency and coverage.
Core Competencies
- Leadership of cross-functional engineering teams (45+ members)
- AI-powered test automation with Cursor AI, MCP, and LLM integration
- Proficient in CI/CD pipelines, TDD/BDD, and QA Automation
- Experience with REST APIs, Web Applications, and Mobile Testing
- Hands-on with Python, Java, C#, Selenium, Appium, Playwright, Rest-Assured
- Strong focus on Data-Driven Testing and Test Framework Architecture
Professional Experience
Software QA Automation Manager
Axos Bank
Key Achievements:
- Transformed API test automation coverage from 40% to 95% in just 4 weeks as a solo engineer, achieving in 1 month what previously required 6 months with a 4-person team, reducing costs by 75% while accelerating release cycles by 300%
- Architected multi-LLM AI agent system (Ollama, GPT-4o) that dynamically adapts tests based on API contract changes, eliminating manual test maintenance and reducing test update time by 90%
- Achieved 90% test coverage across Web/Mobile/API platforms, slashing execution times from 3 days to 1 hour for API test suites, enabling daily releases and reducing time-to-market by 97%
- Leveraged Cursor AI with Model Context Protocol (MCP) to architect intelligent Playwright automation framework, enabling dynamic test generation and self-healing test scripts, reducing test maintenance overhead by 60%
- Deployed on-prem LLM containers (Ollama with Llama 3.5) for secure, domain-specific test case generation, eliminating dependency on external AI services and reducing API costs by $50K annually
- Generated productivity tools using AI automation, including test case generation through Azure DevOps MCP, Figma MCP, and Playwright Model Context Protocol in Python, boosting team productivity by 40%
- Creates production-ready applications with Cursor AI and agent orchestration, establishing new standards for AI-assisted development in the organization
Sr. Software Development Engineer in Test
OfferUp
Key Achievements:
- Built enterprise-grade API test automation framework from scratch using Java and Rest-Assured, establishing testing standards and best practices that reduced API regression time by 70%
- Developed comprehensive automated test suite for web APIs, achieving 85% coverage and enabling continuous integration with daily regression testing
- Performed mobile test automation using Appium for iOS and Android platforms, expanding test coverage to include critical mobile user journeys
- Conducted training sessions on coding best practices and refactoring concepts for the QA team, elevating code quality standards and reducing technical debt by 30%
Teacher and Mentor
QA Minds Lab
Key Achievements:
- Created comprehensive test automation curriculum using Selenium WebDriver, covering object-oriented programming, design principles, version control, and framework development
- Taught technologies including Maven, TestNG, Java, Selenium WebDriver, Git, and IntelliJ IDEA to aspiring QA automation engineers
- Mentored 50+ students in test automation best practices, with 80% securing positions in automation roles within 6 months of course completion
Lead Software Test Automation Engineer | Software Engineering Manager
EPAM Systems
Key Achievements:
- Managed employee life-cycle for engineering team, including staffing, selection, onboarding, growth, and compensation, building a high-performing team of 15+ engineers
- Conducted technical interviews and designed programs to develop software engineer in test skills, improving team technical competency by 40% within first year
- Developed UI desktop test automation framework using WinApp Driver and C# for Microsoft technologies, achieving 80% automation coverage for desktop applications
- Reviewed code for adherence to clean code and SOLID principles, establishing quality standards that reduced bug rates by 25%
- Created and maintained CI pipelines using Azure DevOps, enabling automated testing and reducing manual deployment time by 60%
- Served as assessment expert in the Assessment Committee and conducted technical talks for company branding, establishing EPAM as a thought leader in test automation
Sr. Automation Tester
Cognizant
Key Achievements:
- Acted as main point of contact for clients and trained account team members on C# and Git, improving team technical capabilities and client satisfaction scores
- Conducted comprehensive functional testing including analysis, planning, test case development, environment setup, execution, and closure, ensuring 100% requirement coverage
- Managed defect tracking and release cycles based on Canary approach, reducing production incidents by 35% through progressive rollout strategy
- Developed web API automated test cases using RestSharp, achieving 75% API test coverage and reducing manual testing effort by 65%
- Performed UI automation using Selenium WebDriver, automating critical user journeys and reducing regression testing time by 50%
Software QA Analyst
Herbalife
Key Achievements:
- Created comprehensive testing artifacts including test plans, test strategies, estimations, and bug tracking, establishing QA processes that improved release predictability by 40%
- Conducted database testing in Microsoft SQL Server, ensuring data integrity and identifying critical data quality issues before production
- Worked as Scrum Master for cross-location team, facilitating Scrum ceremonies and tracking progress, improving team velocity by 30% and reducing sprint overruns by 50%
- Developed test automation using SpecFlow and C# in established framework, increasing automation coverage from 30% to 70%
- Designed and implemented new test automation framework based on Page Object Model and Builder Pattern using Ruby, reducing test maintenance time by 45% and improving code reusability
- Conducted manual web API testing with Postman, identifying 200+ defects before production and ensuring API reliability
Sr. QA Analyst
Softtek
Key Achievements:
- Conducted testing based on Software Testing Life Cycle (STLC), employing techniques such as boundary values and decision tables, improving test case effectiveness by 35%
- Gathered business requirements and mapped them to test cases using traceability matrix, ensuring 100% requirement coverage and reducing missed requirements by 60%
- Performed database testing in Microsoft SQL Server, ensuring data integrity and identifying data quality issues early in the development cycle
- Utilized quality tools such as waste elimination, value stream mapping, and statistical quality control to improve testing processes, reducing testing cycle time by 25%
- Acted as mentor and provided guidance to junior team members, developing 5 junior analysts into mid-level QA professionals
Software Tester
UST Global
Key Achievements:
- Utilized V-Model methodology to conduct software testing, ensuring comprehensive coverage throughout the development lifecycle
- Demonstrated expertise in regression testing, build verification testing/smoke testing, and exploratory testing, reducing production defects by 40%
- Conducted black box testing at integration and user acceptance testing levels, validating system functionality and user experience
- Assumed role of Test Lead for functional testing, web accessibility testing, and cross-browser testing, coordinating test activities and ensuring high-quality deliverables
- Employed range of tools including Rational Clear Quest, Rational Requisite Pro, Rational Quality Manager, Total Validator Tool, Juicy Studio, and Chrome Vox Screen Reader, enhancing efficiency and accuracy in testing processes
Fullstack Software Developer
Universidad Tecnologica de Leon
Key Achievements:
- Developed web applications using Java with three-layer architecture (data, business, and presentation layers), establishing foundation for scalable application development
- Participated in business requirement gathering and collaborated with stakeholders to ensure accurate implementation, reducing requirement changes by 30%
- Designed and implemented databases, including schema design and data manipulation, ensuring optimal performance and data integrity
- Implemented server-side applications and front-end development using technologies like Tomcat Server, JSON, jQuery, Ajax, XHTML, and CSS
- Deployed applications and ensured proper functioning, achieving 99.5% uptime for critical applications
Technical Skills
AI & Automation Tools
Test Automation Frameworks
Programming Languages
CI/CD & DevOps
Mobile Testing
API Testing
Methodologies & Practices
Databases
Testing Tools
Key Projects & Achievements
API Test Automation Transformation
Transformed API test automation coverage from 40% to 95% in just 4 weeks as a solo engineer, achieving in 1 month what previously required 6 months with a 4-person team.
Multi-LLM AI Agent System
Architected multi-LLM AI agent system (Ollama, GPT-4o) that dynamically adapts tests based on API contract changes, eliminating manual test maintenance.
Playwright MCP Framework
Leveraged Cursor AI with Model Context Protocol (MCP) to architect intelligent Playwright automation framework, enabling dynamic test generation and self-healing test scripts.
Test Coverage Excellence
Achieved 90% test coverage across Web/Mobile/API platforms, slashing execution times from 3 days to 1 hour for API test suites, enabling daily releases.
Education & Certifications
Education
Master's Degree in Administrative Engineering and Quality
2013 - 2015Universidad de La Salle Bajío, A.C.
Business Administration and Management, General
Bachelor's Degree in Information Technologies
2007 - 2012Universidad Tecnológica de León
Information Technology Engineer
Certificate, Advanced Pre-Vocational ESL Course 2
October 2022 - November 2022San Diego Continuing Education
Certifications
Transitioning from Technical Professional to Manager
Brain-Based E-learning Design
Inclusive Instructional Design
Training with Stories
Using Neuroscience for More Effective L&D
Get In Touch
I'm always open to discussing new opportunities, interesting projects, or just having a conversation about software engineering, test automation, or AI-powered solutions.