Available to hire
I’m a QA Engineer and consultant with 4+ years of experience delivering high-quality software across web, mobile, and API platforms. I founded OteroQA to help tech teams improve quality and ship reliable software.
I specialize in building test strategies from scratch, embedding quality gates into Agile teams, and delivering clear, actionable defect reports. I’m ISTQB certified and proficient in manual and automated testing using Selenium, Cucumber, and other modern tools.
Skills
Language
Spanish; Castilian
Fluent
Galician
Fluent
English
Advanced
Work Experience
Founder & Principal QA Consultant at OteroQA
August 1, 2024 - PresentFounded and operate an independent QA consultancy providing end-to-end software testing services to tech companies, startups, and digital agencies across Europe. Notable clients include DAZN, PokerStars, William Hill and Temu. Designed and executed testing strategies; built automated test suites using Selenium, Cucumber and Playwright; delivered functional, regression, exploratory, performance, usability and API testing; produced detailed QA documentation; managed client relationships and project scoping and engagements (hourly and fixed-price).
QA Analyst at Katatek Group
March 1, 2024 - May 31, 2025Reviewed and clarified system requirements to ensure completeness and testability before test planning. Developed comprehensive test plans covering all system functionalities with clear scope, resources and schedules. Executed manual and automated tests to validate system behaviour, performance and reliability. Logged and prioritised defects with detailed reproduction steps, severity ratings and business impact assessments. Collaborated with development teams and stakeholders in Agile ceremonies to drive quality improvements. Maintained and evolved the test library to keep pace with system changes and testing best practices.
QA Analyst at VIEWNEXT
July 1, 2022 - March 31, 2024Led end-to-end test planning and execution for multiple project tracks in an Agile environment. Performed manual and automated regression, functional and integration testing to verify software quality. Produced test summary reports and presented findings to developers and product stakeholders. Continuously improved test cases and scenarios to increase coverage and detection effectiveness.
QA Tester at VIEWNEXT
January 1, 2022 - July 31, 2022Executed manual and automated test scripts, identified defects and documented results accurately. Participated in client-facing meetings to report test outcomes and propose quality improvements.
QA Tester Trainee at VIEWNEXT
April 1, 2021 - June 30, 2021Supported senior testers in test execution, bug logging and documentation during internship.
Education
Higher Technician in IT Systems Administration at CIFP Marcos Valcarcel
January 1, 2019 - December 31, 2021Technology Studies at IES Chamoso Lamas
January 1, 2017 - December 31, 2019Qualifications
ISTQB CTFL – Certified Tester Foundation Level
January 11, 2030 - April 22, 2026ISTQB CTAL - TA – Advanced Test Analyst (In Progress)
January 11, 2030 - April 22, 2026Selenium with Python – QA Test Automation
January 11, 2030 - April 22, 2026JMeter – Performance Testing (In Progress)
January 11, 2030 - April 22, 2026Master Course Python
January 11, 2030 - April 22, 2026Cambridge B2 English Certificate
January 11, 2030 - April 22, 2026Microsoft Excel: Advanced Level
January 11, 2030 - April 22, 2026Cambridge C1 English (In Progress)
January 11, 2030 - April 22, 2026Ethical Hacking & Cybersecurity
January 11, 2030 - April 22, 2026Industry Experience
Software & Internet, Gaming, Media & Entertainment, Professional Services
Skills
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