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I'm Michail Ellinas, a Senior QA Lead with extensive experience testing Web3 platforms, APIs, frontend and backend web applications, and mobile apps. I thrive in hands-on leadership roles, build and improve QA processes, mentor engineers, and own release quality across both startup and enterprise environments. I specialize in performance and load testing with k6, and I leverage automation tools such as Selenium, Appium, and Playwright. I apply a risk-based approach to release decisions and use AI tooling to drive efficiency and precision across QA workflows while collaborating across Engineering, Product and Management to deliver robust product quality.…I'm Michail Ellinas, a Senior QA Lead with extensive experience testing Web3 platforms, APIs, frontend and backend web applications, and mobile apps. I thrive in hands-on leadership roles, build and improve QA processes, mentor engineers, and own release quality across both startup and enterprise environments. I specialize in performance and load testing with k6, and I leverage automation tools such as Selenium, Appium, and Playwright. I apply a risk-based approach to release decisions and use AI tooling to drive efficiency and precision across QA workflows while collaborating across Engineering, Product and Management to deliver robust product quality.

Michail Ellinas

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I'm Michail Ellinas, a Senior QA Lead with extensive experience testing Web3 platforms, APIs, frontend and backend web applications, and mobile apps. I thrive in hands-on leadership roles, build and improve QA processes, mentor engineers, and own release quality across both startup and enterprise environments. I specialize in performance and load testing with k6, and I leverage automation tools such as Selenium, Appium, and Playwright. I apply a risk-based approach to release decisions and use AI tooling to drive efficiency and precision across QA workflows while collaborating across Engineering, Product and Management to deliver robust product quality.…I'm Michail Ellinas, a Senior QA Lead with extensive experience testing Web3 platforms, APIs, frontend and backend web applications, and mobile apps. I thrive in hands-on leadership roles, build and improve QA processes, mentor engineers, and own release quality across both startup and enterprise environments. I specialize in performance and load testing with k6, and I leverage automation tools such as Selenium, Appium, and Playwright. I apply a risk-based approach to release decisions and use AI tooling to drive efficiency and precision across QA workflows while collaborating across Engineering, Product and Management to deliver robust product quality.

Available to hire

I’m Michail Ellinas, a Senior QA Lead with extensive experience testing Web3 platforms, APIs, frontend and backend web applications, and mobile apps. I thrive in hands-on leadership roles, build and improve QA processes, mentor engineers, and own release quality across both startup and enterprise environments.

I specialize in performance and load testing with k6, and I leverage automation tools such as Selenium, Appium, and Playwright. I apply a risk-based approach to release decisions and use AI tooling to drive efficiency and precision across QA workflows while collaborating across Engineering, Product and Management to deliver robust product quality.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Greek, Modern

Fluent

English

Advanced

Work Experience

Senior QA Lead at Decentralized Vision LTD

January 1, 2019 - April 1, 2026

Led QA across multiple Web3 and payment platforms (NFT marketplace, DeFi platform, blockchain-based payment system) in a startup environment, covering the full SDLC from requirements to production. Managed a QA team of up to 5 engineers, established QA processes and test strategies, and acted as the primary quality escalation point across Engineering, Product, and Management. Executed end-to-end, exploratory, integration, UAT, and regression testing; tested PSP integrations and 3DS flows; performed root-cause analysis with log and DB query tracing; designed API tests with Postman and conducted performance/load testing with k6; guided release planning and risk-based go/no-go decisions; leveraged AI tools to improve daily QA workflows.

Senior QA Engineer at Extra Energy Holding Ltd

January 1, 2018 - January 1, 2019

Embedded QA engineer within a Scrum team delivering software solutions for the energy sector. Collaborated with Product Owner on requirements and acceptance criteria, executed unit and integration tests, and performed end-to-end testing across frontend, backend, and APIs. Engaged in shift-left quality practices, conducted data validation and log analysis for issue investigation, and contributed to sprint demos with quality outcomes.

Advanced Test Engineer at Amdocs

January 1, 2013 - January 1, 2018

Designed and executed end-to-end system, functional, and integration test scenarios for CRM, OMS, and telecom platforms across Waterfall and Agile methodologies. Served as testing focal point on-site in the US, Netherlands, and Israel; contributed to T-Mobile’s legacy-to-microservices migration, adapting testing approaches to Agile delivery; produced detailed defect reports and quality documentation to support UAT sign-off and production validation.