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Dimitri Sinoyiannis

@dimitrisinoyiannis

Results-driven and adaptable Quality Assurance professional with 12+ years of experience.

Results-driven and adaptable Quality Assurance professional with 12+ years of experience in manual testing across SaaS platforms, retail, embedded systems, gaming platforms, and websites. Adept at leading cross-functional teams, optimizing QA processes, and implementing strategic improvements. Extensive background in functional, regression, UI/UX, and UAT testing, with deep proficiency in defect tracking, test planning, and debugging across multi-platform environments. Strong collaboration with stakeholders and developers to drive high-quality software releases.

Experience

Work history, roles, and key accomplishments

Lead QA & Technical Systems Analyst III

Couche-Tard (Circle K)

Nov 2022 - Apr 2024 (1 year 5 months)

Led UAT and functional testing for POS software and payment solutions in retail and fuel sectors. Collaborated with stakeholders to define test acceptance criteria and executed comprehensive testing strategies.

UAT UI UX testing POS software Payment Solutions Project Documentation Black Box Testing White Box Testing Regression Testing Stakeholder Collaboration Functional Testing

QA Engineer / Specialist

Mirametrix

Nov 2021 - Nov 2022 (1 year)

Designed and executed performance tests for PC and embedded hardware. Conducted various testing types and improved documentation for efficiency in test execution.

UAT UI UX testing Jenkins Regression Testing Embedded Systems Defect Tracking Continuous Integration Test Execution Performance Testing Documentation

Lead QA Analyst

Mindgeek

Jan 2019 - Nov 2021 (2 years 10 months)

Led the Video Player QA Team, optimizing testing processes across multiple platforms. Conducted UAT and functional testing, while implementing cost-saving initiatives.

UAT security verification bandwidth optimization platform compatibility Video Streaming Test Plans Functional Testing Cross Functional Collaboration Mentoring NodeJS

Application Support Analyst

TECSYS

Dec 2016 - Feb 2019 (2 years 2 months)

Diagnosed and resolved critical system issues for WMS and DMS. Conducted QA testing and collaborated with teams to optimize system performance and maintain inventory accuracy.

system diagnosis SQL WMS DMS Troubleshooting QA Testing Technical Documentation Inventory Management Performance Optimization Collaboration

QA Lead

VMC

Aug 2012 - Dec 2016 (4 years 4 months)

Led QA testing for in-game purchases across PC and console titles. Defined test plans and provided feedback on game design, contributing to performance improvements.