Matias Nicolas Alfonso
Madrid
Summary
Senior QA Automation Engineer with 12+ years of experience designing and scaling automation frameworks for API, UI, mobile, and backend systems. Specialized in Java, TypeScript/Node.js and C#, with a record of improving automation coverage, accelerating regression cycles, and increasing reliability across high-traffic platforms. Delivered measurable improvements across automation initiatives (coverage +70%, regression runtime −85%, incidents −30%, flaky failures −55%) while driving test strategy, CI/CD integration, and quality engineering practices in Agile environments.
Overview
14
14
years of professional experience
Work History
Senior QA Automation Engineer
Picsart
01.2023 - 01.2026
- Designed and maintained API automation for Programmable Image APIs, GenAI APIs (text-to-image, logo generator, inpainting), and Video APIs, validating ~90 endpoints across staging and production.
- Developed automated regression suites for Photo & Video Editor SDK, increasing automated coverage by 70% and reducing regression execution time by 85% through parallel execution and CI optimization.
- Improved CI pipeline reliability and defect detection accuracy, contributing to a 30% reduction in production incidents.
- GenAI & Digital Creativity
- Tech: Java, RestAssured, Selenium, Playwright, Jenkins.
Senior QA Automation Engineer
eShopWorld
01.2019 - 01.2023
- Led migration of automation frameworks (Java, C#, Protractor) to TypeScript + Node.js, improving execution speed by 30% and reducing maintenance overhead.
- Built and maintained E2E automation for Payments, reducing flaky test failures by 55% and increasing stability of critical checkout flows.
- Contributed to .NET payment services by implementing unit and integration tests, improving code coverage, and service reliability.
- Fintech & Global eCommerce
- Tech: TypeScript, Cucumber.js, Docker.
Senior QA Automation Engineer
Spark Digital
01.2018 - 01.2019
- Modernized automation frameworks for a major eLearning platform, with a core focus on Accessibility Testing.
- Created test plans and expanded automation to include API testing, increasing functional coverage.
- EdTech / eLearning
Senior QA Automation Engineer
JBKnowledge
01.2017 - 01.2018
- Automated Silverlight applications for the Construction and Insurance industries using C#.
- Developed a cross-layer framework (UI, API, Mobile) using SpecFlow for complex enterprise workflows.
- InsurTech & Construction
QA Automation Engineer
Despegar
01.2015 - 01.2017
- Implemented an automation framework for the Personalization and Home Page teams, focusing on dynamic user content.
- Mentored junior QA engineers, improved automation standards, and configured CI pipelines for continuous testing.
- TravelTech
QA Automation Engineer
SAM Sistemas
01.2013 - 01.2015
- Automated functional test cases and executed performance testing for enterprise clients.
QA Automation Engineer
GlobalLogic
01.2012 - 01.2013
- Developed automated test cases using BDD frameworks and executed manual web and mobile testing.
Education
Senior Technician - Marketing
01.2006
System Engineering - undefined
01.2000
Technical School - undefined
01.1997
Skills
- Java
- TypeScript
- Nodejs
- C#
- RestAssured
- Postman
- Selenium WebDriver
- Playwright
- Cucumber
- SpecFlow
- TestNG
- JUnit
- NUnit
- XUnit
- Jenkins
- Azure DevOps
- TeamCity
- Docker
- Git
- GitHub
- GitLab
- Bitbucket
- JMeter
- Gatling
- Silk Performer
- Jira
- TestRail
- Scrum
- Kanban
- SAFe
- Critical thinking
- Test strategy mindset
- Quality advocacy
- Technical communication
- Cross-team collaboration
- Continuous improvement
Websites
Languages
English
Advanced (C1)
Spanish
Bilingual or Proficient (C2)
Core Skills
Java, TypeScript/Node.js, C#, RestAssured, Postman, Selenium WebDriver, Playwright, Cucumber, SpecFlow, TestNG, JUnit, NUnit, xUnit, Jenkins, Azure DevOps, TeamCity, Docker, Git, GitHub, GitLab, Bitbucket, JMeter, Gatling, Silk Performer, Jira, TestRail, Scrum, Kanban, SAFe
Work Authorization
EU Citizenship
Personal Information
- Title: Senior QA Automation Engineer
- Visa Status: EU Citizenship
Timeline
Senior QA Automation Engineer - Picsart
01.2023 - 01.2026
Senior QA Automation Engineer - eShopWorld
01.2019 - 01.2023
Senior QA Automation Engineer - Spark Digital
01.2018 - 01.2019
Senior QA Automation Engineer - JBKnowledge
01.2017 - 01.2018
QA Automation Engineer - Despegar
01.2015 - 01.2017
QA Automation Engineer - SAM Sistemas
01.2013 - 01.2015
QA Automation Engineer - GlobalLogic
01.2012 - 01.2013
Instituto Superior de Ciencias Comerciales - Senior Technician, Marketing
Universidad Tecnológica Nacional (UTN) - System Engineering,
Technical School, Dr. Avellaneda - Technical School,