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Software Development Quality Assurance

Location:
Guerrero Negro, Baja California Sur, 23940, Mexico
Posted:
October 07, 2025

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Resume:

Esau Gutierrez Tirado

QA Engineer

Ensenada, Baja California, México ********@*****.***

Profile

• Software Quality Assurance Engineer with three years of experience including implementing quality-control methodologies to ensure compliance with QA standards and customer specifications.

• Data analysis/validation, end to end testing, functional testing, integration testing, back-end testing, regression testing, extensive experience in system requirement specification and user requirement specifications, strong knowledge in writing scenarios and test cases, experience in test executions for client/server and web applications, knowledge in software development life cycle, SCRUM and Agile methodology, test status report and defect tracking.

• Effective problem solver and decision maker. Able to quickly assess complex situations, identify the root cause of problems, and develop and implement effective solutions. Skill Set

// Tools and Methods Required

Years of Exp

Last year used

Core Capabilities

Functional Testing 3 2024

Back Testing 3 2024

System Testing 3 2024

Regression Testing 3 2024

Integration Testing 3 2024

End to End Testing 3 2024

Databases 3 2024

API Testing 3 2024

Mobile Testing 1 2024

Professional Experience

DGMX Tech (SEP 2024-DEC 2024)

QA Manual Tester

Company based in Mexico City focused on software development. Participated in QA activities for client-server and web-based systems in a cross-functional Agile team. The project was a native mobile application for Android and IOS. Responsibilities included requirements analysis, manual test case creation and execution, SQL-based data validation, integration testing, regression testing, and defect reporting.

Technologies & Tools: JIRA, Confluence, Microsoft Azure Boards, SQL Server, Azure Data Studio, Visual Studio Code, Git, Expo Go, TestFlight, Bitbucket, Postman, Sublime Text 3, Microsoft Office 365.

Advancio (APR 2021-MAR 2024)

QA Manual Tester

Advancio is a nearshore software development company located in Ensenada, Baja California. Worked in Agile teams performing QA across web and backend applications. The projects were primarily Insurance companies web based. Duties included test case development, execution of functional and regression tests, defect tracking, SQL querying for data validation, back-end and front-end testing.

Technologies & Tools: JIRA, Confluence, Microsoft Azure Boards, ALM, SQL Server Management Studio, Swagger, Notepad++, RDP, TextPad, Microsoft Office 365. Skills

• Manual Testing

• Defect Tracking & Resolution

• Test Documentation

• Regression & Integration Testing

• SQL & Data Validation

• Cross-functional Collaboration

• Analytical & Problem-Solving Skills

• Adaptability & Continuous Learning

• Detail-Oriented Mindset

• Basic Test Automation Knowledge

Education

Computer Systems Engineer

2017-2022, Ensenada Technological Institute (ITE)

Professional Certificates

ISTQB® Certified Tester Foundation Level (CTFL) 2018 iSQI, October 2023

Scrum Foundation Professional Certificate SFPC

CertiProf, September 2022

Courses

• Selenium WebDriver with Java -Basics to Advanced+Frameworks (Udemy)

• Playwright Automation Testing from Scratch with Framework (Udemy)

• Scrum Master Fundamentals

• Soft skills

• ISTQB Certified Tester Foundation Level (CTFL)

• Automation with Java + Selenium

Languages

Spanish: Native

English: Professional



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