I’m a Senior QA Automation Engineer with 10+ years building fast, reliable test automation for web and cloud products. My core tools are Cypress, Selenium, API automation, and CI/CD integration across Jenkins, GitLab, Azure DevOps, and CloudBees. I specialize in stabilizing pipelines, improving release speed, and delivering clean, maintainable automation frameworks. What sets me apart is my contract-ready mindset: quick onboarding, autonomous delivery, and clear communication that keeps teams moving without friction.

Konstantinos Zagklis

I’m a Senior QA Automation Engineer with 10+ years building fast, reliable test automation for web and cloud products. My core tools are Cypress, Selenium, API automation, and CI/CD integration across Jenkins, GitLab, Azure DevOps, and CloudBees. I specialize in stabilizing pipelines, improving release speed, and delivering clean, maintainable automation frameworks. What sets me apart is my contract-ready mindset: quick onboarding, autonomous delivery, and clear communication that keeps teams moving without friction.

Available to hire

I’m a Senior QA Automation Engineer with 10+ years building fast, reliable test automation for web and cloud products. My core tools are Cypress, Selenium, API automation, and CI/CD integration across Jenkins, GitLab, Azure DevOps, and CloudBees. I specialize in stabilizing pipelines, improving release speed, and delivering clean, maintainable automation frameworks. What sets me apart is my contract-ready mindset: quick onboarding, autonomous delivery, and clear communication that keeps teams moving without friction.

See more

Language

English
Fluent
Greek, Modern
Fluent

Work Experience

Senior QA Engineer at Sword Group
August 2, 2024 - Present
Designed and executed automation suites for web apps, APIs, and integrations. Performed functional, performance, and security validation across critical systems. Collaborated with developers and product teams to ensure stable releases and high test coverage. Conducted deep debugging with logs, traces, and traffic analysis tools.
QA Engineer at Channel VAS
November 2, 2019 - January 2, 2023
Designed and executed functional, regression, and automation tests for BI platforms. Built Python/Selenium/Cucumber automation to expand coverage and reduce regression time. Performed API testing, data validation, and SQL-backend verification. Supported CI/CD workflows and maintained SQL Server environments for QA.
System Test Engineer at Unify
November 2, 2018 - November 2, 2019
Executed functional, integration, and end-to-end testing across Windows, Windows Server, Linux, macOS. Performed cross-platform validation of remote-access, connectivity, and UI workflows. Reproduced complex defects using logs, traces, and system behavior analysis. Installed and configured multi-environment test setups matching production conditions. Tested APIs, client-server interactions, installation/update flows, and mobile/desktop feature stability. Verified fixes and ensured consistent behavior across desktop, mobile, and server builds.
Information System Administrator at National Park of Tzoumerka
October 2, 2014 - December 2, 2016
Resolved hardware, OS, and network issues across internal IT systems. Performed maintenance, upgrades, and software deployments. Managed LAN/WAN, peripherals, and remote desktop support.
Software Engineer Intern at Cooperative Bank of Epirus
September 2, 2012 - February 2, 2013
Supported core banking systems and performed functional validation. Assisted in data center operations (backups, monitoring, disaster recovery). Installed/configured software & hardware, including full branch IT setup.

Education

Bachelor's Degree in Information Technology & Networking at Arta
September 1, 2005 - July 1, 2011
Master's Degree in Information Systems Security at University of the Aegean, Samos
September 1, 2013 - July 1, 2014
ISTQB Foundation Level Certification in Software Testing Fundamentals at ISTQB
February 2, 2024 - February 2, 2024

Qualifications

ISTQB Foundation Level Certification in Software Testing Fundamentals
February 2, 2024 - February 2, 2024
Cisco CCNA – Accessing the WAN Connectivity Fundamentals
February 2, 2024 - February 2, 2024
Cisco CCNA – LAN Switching & Wireless LAN Switching Concepts
February 2, 2024 - February 2, 2024
Cisco CCNA – Routing Protocols & Concepts
February 2, 2024 - February 2, 2024
Cisco CCNA – Network Fundamentals Core networking concepts and infrastructure basics
February 2, 2024 - February 2, 2024

Industry Experience

Software & Internet, Professional Services, Telecommunications

Hire a QA Engineer

We have the best qa engineer experts on Twine. Hire a qa engineer in Ioannina today.