Markella Efthymiou
Senior QA Automation Engineer | QA Lead
Athens
Summary
Senior QA Automation Engineer with 10 years of experience in designing and implementing advanced test automation frameworks using a wide range of cutting-edge tools and technologies. Expert in developing test automation strategies, leveraging Agile practices, and optimizing CI/CD pipelines to accelerate release cycles and improve software quality. Proven ability to lead cross-functional teams and drive successful test strategies for large-scale projects, while consistently mentoring and empowering team members to achieve their best performance. Strong communicator, adept at collaborating with stakeholders to deliver innovative, user-centered software solutions. Committed to continuous learning, adapting to new technologies, and solving complex problems to ensure the highest quality in every release.
Overview
10
10
years of professional experience
7
7
years of post-secondary education
2
2
Certifications
4
4
Languages
Work History
Senior QA Automation Engineer
Sporty Group
Remote
01.2024 - Current
- Increased system test coverage by 15% through enhanced API, Android, and iOS testing frameworks
- Designed and implemented a unified testing framework across platforms, improving cross-team efficiency
- Automated test execution via Jenkins pipelines, reducing manual regression testing time by 20%
- Managed multiple projects simultaneously, ensuring timely delivery of high-quality products.
QA Automation Engineer
100mentors
Athens, Attica
01.2023 - 01.2024
- Built Detox and Appium POC frameworks for mobile AI applications, increasing automation coverage
- Boosted mobile app user engagement by 733% (60 to 500 monthly activations)
- Enhanced testing feedback loops via AI-assisted tools, optimizing product quality and user experience (Bug Tracking tool, Requests Project, Timeline and Milestones)
- Identified and resolved 80% of defects during initial release testing, elevating quality standards.
Senior QA Automation Engineer
SG Digital/Openbet
Athens, Attica
01.2021 - 01.2023
- Automated over 1,000 test cases, reducing technical debt and increasing product quality
- Stabilized CI/CD pipelines, cutting build failures by 70%
- Mentored three engineers, improving team automation skills and test coverage
Software QA Automation Engineer
Orfium
Athens, Attica
01.2020 - 01.2021
- Established QA documentation and Agile processes, streamlining team workflows
- Designed and integrated API and UI tests into Jenkins pipelines for continuous testing
- Managed QA Chapter with Jira, fostering cross-team transparency
- Streamlined QA processes by developing and maintaining automation frameworks, contributing to faster release cycles.
Senior Software QA Automation Engineer
Epignosis eLearning Solutions
Athens, Attica
01.2019 - 01.2020
- Led a QA Chapter team of 4, developing over 1,000 smoke and regression tests
- Integrated automation frameworks with CI/CD pipelines, improving release efficiency
- Conducted rigorous manual and automated testing for flagship web and mobile apps
Software R&D Engineer/Automation Tester
Nokia
Athens, Attica
01.2018 - 01.2019
- Increased CI/CD success rates from 40% to 80% by enhancing test automation
- Led a team of 6 as Scrum Master, implementing SAFe methodologies
Junior Software R&D Engineer/Software Developer
Nokia
Athens, Attica
01.2015 - 01.2018
- Transitioned NG Product's software upgrade process to cloud technologies
- Developed quality code and addressed customer feedback, improving product stability
- Achieved successful project outcomes by maintaining accurate documentation and meeting strict deadlines.
Education
Bachelor of Science - Electrical and Computer Engineering
National Technical University of Athens
Athens, I 09.2004 - 09.2011
Skills
Automation Tools: Selenium, Cypress, Appium, WebdriverIO, Detox, Frisbyjs, Mocha, Jest, Pytest
- Programming Languages: Python, JavaScript, TypeScript, Java
- Testing Environment: API Testing, UI Testing, Mobile Testing, WAP Testing
Testing Processes: Planning, Design, Execution, Evaluation, Reporting, Closure
- Testing Types: Functional, Non Functional, Regression Testing, Sanity, Smoke, Exploratory, UAT, Performance, Usability
- Testing Levels: Acceptance, System, Integration, Unit
- CI/CD Tools: Jenkins, GitHub Actions, Docker, Maven
- Agile Frameworks & Practices: Scrum, SAFe, BDD, Kanban
- Cloud & Infrastructure: Docker, OpenStack, Heroku
- Version Control & Collaboration: Git, Bitbucket, GitHub, Gitlab
Other Tools & Platforms: Postman, Browserstack, TestRail, Asana, Confluence, Jira
Certification
ISTQB Foundation Level, Current
Timeline
Senior QA Automation Engineer
Sporty Group
01.2024 - Current
QA Automation Engineer
100mentors
01.2023 - 01.2024
Senior QA Automation Engineer
SG Digital/Openbet
01.2021 - 01.2023
Software QA Automation Engineer
Orfium
01.2020 - 01.2021
Senior Software QA Automation Engineer
Epignosis eLearning Solutions
01.2019 - 01.2020
Software R&D Engineer/Automation Tester
Nokia
01.2018 - 01.2019
Junior Software R&D Engineer/Software Developer
Nokia
01.2015 - 01.2018
Bachelor of Science - Electrical and Computer Engineering
National Technical University of Athens
09.2004 - 09.2011
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