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Dmytro Sotnikov

@dmytrosotnikov

Senior QA Automation Engineer at Teaching Strategies, automating native iOS and Android journeys with Appium and WebdriverIO.

Switzerland

Message

At Teaching Strategies, I designed, developed, and maintained automation frameworks for native iOS and Android applications using Appium and WebdriverIO. I automated critical end-to-end journeys and helped improve release confidence.

I also tested new features, bug fixes, and production hotfixes across devices and OS versions. I investigated complex defects and worked with developers to verify fixes.

At CreditNinja, I tested a FinTech product across web and mobile, combining manual QA with automation. I built and maintained tests using Playwright, WebdriverIO, Selenium, and Appium, and integrated automated testing into CI/CD pipelines.

Earlier, at ADMANIC GmbH and Devico Solutions Ltd, I developed automation coverage for web and mobile applications, supported release planning, and contributed to QA process improvements. I’m an independent B2B contractor in Switzerland, experienced working remotely with international US and EU product teams.

Experience

Work history, roles, and key accomplishments

Senior Mobile QA Automation Engineer

Teaching Strategies

Jan 2024 - Aug 2026 (2 years 7 months)

Designed and maintained automation frameworks for native iOS and Android apps using Appium and WebdriverIO. Automated critical user journeys, performed manual testing, and improved automation reliability.

Appium WebdriverIO TypeScript JavaScript iOS Android E2E Testing Regression Testing Smoke Testing Exploratory testing Agile Scrum OpenAI Codex Claude Code AI assisted Testing

Senior QA Engineer (Manual & Automation)

CreditNinja

Oct 2020 - Jan 2024 (3 years 3 months)

Performed end-to-end QA for a FinTech product across web and mobile, combining manual testing with automation. Built and maintained automation frameworks and integrated them into CI/CD pipelines.

Playwright WebdriverIO Selenium Appium TypeScript JavaScript API Testing REST GraphQL E2E Testing Regression Testing Smoke Testing Integration Testing GitHub Actions Jenkins TeamCity Allure Risk Based Testing

Senior Automation QA

ADMANIC GmbH

Aug 2016 - Oct 2020 (4 years 2 months)

Designed and implemented automated coverage for critical business workflows, improving regression reliability. Developed and maintained automated test scripts and performed manual functional and regression testing.

Testing Automation Regression Testing Test Scripting Test Case Design Defect Management CI CD Test Estimation Release planning

Junior to Senior Automation QA

Devico Solutions Ltd

Jun 2012 - Aug 2016 (4 years 2 months)

Progressed from Junior to Senior Automation QA while working on international client projects. Designed and maintained automated test suites for web and mobile applications, and mentored junior QA engineers.