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Hi, I’m Luis Alexander Ramírez Díaz. I am a Systems Engineer with over 10 years of experience in software quality assurance across banking, telecommunications, and web/mobile applications. I am ISTQB v4.0 certified and I specialize in designing and implementing manual and automated testing strategies using Playwright, TypeScript, Postman, Insomnia, Charles Proxy, BrowserStack, Jira, and Confluence. I enjoy leading QA teams, managing defects, and driving agile practices to deliver high-quality solutions. I excel at requirements gathering, user story analysis, and process improvement, coordinating international teams across LATAM, Asia, Europe, and the United States. I am committed to continuous improvement, value delivery, and effective collaboration in multicultural environments.…Hi, I’m Luis Alexander Ramírez Díaz. I am a Systems Engineer with over 10 years of experience in software quality assurance across banking, telecommunications, and web/mobile applications. I am ISTQB v4.0 certified and I specialize in designing and implementing manual and automated testing strategies using Playwright, TypeScript, Postman, Insomnia, Charles Proxy, BrowserStack, Jira, and Confluence. I enjoy leading QA teams, managing defects, and driving agile practices to deliver high-quality solutions. I excel at requirements gathering, user story analysis, and process improvement, coordinating international teams across LATAM, Asia, Europe, and the United States. I am committed to continuous improvement, value delivery, and effective collaboration in multicultural environments.

Luis Alexander Ramírez Díaz

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Hi, I’m Luis Alexander Ramírez Díaz. I am a Systems Engineer with over 10 years of experience in software quality assurance across banking, telecommunications, and web/mobile applications. I am ISTQB v4.0 certified and I specialize in designing and implementing manual and automated testing strategies using Playwright, TypeScript, Postman, Insomnia, Charles Proxy, BrowserStack, Jira, and Confluence. I enjoy leading QA teams, managing defects, and driving agile practices to deliver high-quality solutions. I excel at requirements gathering, user story analysis, and process improvement, coordinating international teams across LATAM, Asia, Europe, and the United States. I am committed to continuous improvement, value delivery, and effective collaboration in multicultural environments.…Hi, I’m Luis Alexander Ramírez Díaz. I am a Systems Engineer with over 10 years of experience in software quality assurance across banking, telecommunications, and web/mobile applications. I am ISTQB v4.0 certified and I specialize in designing and implementing manual and automated testing strategies using Playwright, TypeScript, Postman, Insomnia, Charles Proxy, BrowserStack, Jira, and Confluence. I enjoy leading QA teams, managing defects, and driving agile practices to deliver high-quality solutions. I excel at requirements gathering, user story analysis, and process improvement, coordinating international teams across LATAM, Asia, Europe, and the United States. I am committed to continuous improvement, value delivery, and effective collaboration in multicultural environments.

Available to hire

Hi, I’m Luis Alexander Ramírez Díaz. I am a Systems Engineer with over 10 years of experience in software quality assurance across banking, telecommunications, and web/mobile applications. I am ISTQB v4.0 certified and I specialize in designing and implementing manual and automated testing strategies using Playwright, TypeScript, Postman, Insomnia, Charles Proxy, BrowserStack, Jira, and Confluence. I enjoy leading QA teams, managing defects, and driving agile practices to deliver high-quality solutions.

I excel at requirements gathering, user story analysis, and process improvement, coordinating international teams across LATAM, Asia, Europe, and the United States. I am committed to continuous improvement, value delivery, and effective collaboration in multicultural environments.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

IVVQ / Quality Analyst II at Sii Group / Thales

March 25, 2025 - Present

Designed and implemented web test automation framework using Playwright and TypeScript. Performed testing with Insomnia and Postman for network traffic analysis and API validation. Executed and automated functional validation tests, ensuring quality throughout the software lifecycle. Participated in international projects with distributed teams across LATAM and Europe. Designed and created test scenarios and cases for assigned requirements. Created and managed test plans and test executions.

Senior QA Analyst at Linktic

November 20, 2024 - March 19, 2025

Analyzed and rewrote user stories for integration phases. Executed and documented manual test cases. Distributed and assigned test cases, performed load analysis and estimations. Created regression scenarios for each release.

Quality Assurance Engineer at Mint Software Systems

April 1, 2022 - October 24, 2024

Designed and created requirements and test cases. Managed test cases and defects. Estimated resources for each testing phase: E2E, regression, integration, component, exploratory. Created progress, acceptance, and delivery reports. Worked on international projects with teams in LATAM, Europe, and the US.

QA Lead / Consultant (Mobile – Web) at Wunderman Thompson – Gorilla Group

July 22, 2020 - March 2, 2021

Planned test strategies and led QA teams. Test Automation with Selenium Web Driver, Cucumber. Designed and estimated test cases allocated resources. Identified workflows and automated test scenarios. Led quality standards definition across SDLC. Tracked and ensured bug KPIs. Participated in international projects (e.g., Rolex, ESPN, PGA Tour). Analyzed and improved QA processes.

IT Engineer – CRM Project (Claro) at Ericsson

December 1, 2017 - July 20, 2020

Implemented Jira and Xray for test project management. Performed testing with Jmeter, Cucumber. Test Automation with Selenium Web Driver, Cucumber. Prioritized and tracked testing tasks. Managed non-conformities and resource assignments. Monitored incident reports and solutions. Planned and conducted team meetings. Created KPIs and metrics in Azure. Generated sprint reports and configured EazyBI dashboards. Designed and executed manual and regression test cases.

Testing Consultant – Huawei - Telefónica Project at Softtek

November 1, 2016 - December 1, 2017

Defined QA strategies and managed non-conformities. Created quality indicators (KPIs) and test cases. Executed scenarios and participated in international projects (LATAM, Asia).

Test Analyst at Choucair Testing

January 4, 2016 - October 25, 2016

Created and executed test cases for banking products. Developed scenarios for credit card calculations. Conducted various tests (regression, E2E, acceptance, component).

Project Analyst at Compass Group

October 14, 2014 - May 25, 2015

Project planning, resource management, and risk control. Budget control and reporting. Process optimization and continuous improvement.

Junior Consulting Engineer at DB System Ltda

August 1, 2014 - October 12, 2014

Basic database monitoring and support. Backup and recovery management. Basic security policy enforcement and documentation.

Project Analyst III at Banco AV Villas

September 29, 2005 - August 1, 2014

Planned and executed banking projects. Conducted requirement analysis and functional testing. Risk management and compliance analysis. Post-implementation support and reporting. Managed ACH processes, reconciliations, and regulatory requirements.