10/08/2026 updated
100 % available
Lead QA Engineer - Mobile & Web - Manual & Automation
Prague, Czech Republic
Only remote
Bachelor of Electronics EngineeringAbout me
QA Engineer with 10+ years testing mobile apps, backend, APIs, web and hardware across financial markets, payments, sports betting and aviation. Covers QA end to end: test strategy, manual and automated testing, load testing, release quality and mentoring, plus AI-assisted tooling that speeds up QA.
JavaScriptAndroid StudioApple XcodeBehavior-Driven DevelopmentPython (Programming Language)PostgreSQLSoftware Quality Assurance (SQA)SQLiteSQL DatabasesTypeScriptPostmanGherkin
Mobile QA (iOS & Android)
Over 10 years of quality assurance experience for native iOS and Android applications across multiple industries including gambling, sports betting, retail and aviation. Expertise in integration, regression, manual and automated testing of mobile apps using tools such as Android Studio, Xcode, TestFlight and BrowserStack.
Test Automation
End-to-end test automation for web and mobile applications using Cypress, Claude Code and k6. Building AI-assisted tooling to automate repetitive testing tasks such as bulk test data creation, data extraction from devices and cross-platform data verification.
API Testing & Database Verification
Comprehensive API testing using Postman and GraphQL, combined with database verification across PostgreSQL, MS SQL and SQLite. Experience in data preparation, manipulation and validation to ensure backend integrity.
Load & Performance Testing
Design and execution of load and stress testing strategies using k6, ensuring application stability and performance under high traffic conditions.
BDD & Test Case Management
Writing BDD test cases in Gherkin, managing them in Xray, and building regression test suites. QA process documentation and test plan design using Jira and Confluence.
CI/CD Monitoring
Automated test performance monitoring integrated into CI/CD pipelines using CircleCI and Datadog. Monitoring of AWS message queues and logs with CloudWatch.
Hardware & Compliance Testing
Testing of hardware controllers and payment systems for gas stations. Compliance and certification testing including AQAP-2110 and AQAP-2310 standards, serving as technical point of contact for certification processes.
QA Mentoring & Team Leadership
Mentoring junior QA engineers, leading QA processes end to end including test strategy, release quality management and stakeholder communication in Agile environments (Scrum, Kanban).
Python & Scripting
Adapting Python scripts to generate test data for regression testing and web scraping, supporting efficient and scalable test data management.
Over 10 years of quality assurance experience for native iOS and Android applications across multiple industries including gambling, sports betting, retail and aviation. Expertise in integration, regression, manual and automated testing of mobile apps using tools such as Android Studio, Xcode, TestFlight and BrowserStack.
Test Automation
End-to-end test automation for web and mobile applications using Cypress, Claude Code and k6. Building AI-assisted tooling to automate repetitive testing tasks such as bulk test data creation, data extraction from devices and cross-platform data verification.
API Testing & Database Verification
Comprehensive API testing using Postman and GraphQL, combined with database verification across PostgreSQL, MS SQL and SQLite. Experience in data preparation, manipulation and validation to ensure backend integrity.
Load & Performance Testing
Design and execution of load and stress testing strategies using k6, ensuring application stability and performance under high traffic conditions.
BDD & Test Case Management
Writing BDD test cases in Gherkin, managing them in Xray, and building regression test suites. QA process documentation and test plan design using Jira and Confluence.
CI/CD Monitoring
Automated test performance monitoring integrated into CI/CD pipelines using CircleCI and Datadog. Monitoring of AWS message queues and logs with CloudWatch.
Hardware & Compliance Testing
Testing of hardware controllers and payment systems for gas stations. Compliance and certification testing including AQAP-2110 and AQAP-2310 standards, serving as technical point of contact for certification processes.
QA Mentoring & Team Leadership
Mentoring junior QA engineers, leading QA processes end to end including test strategy, release quality management and stakeholder communication in Agile environments (Scrum, Kanban).
Python & Scripting
Adapting Python scripts to generate test data for regression testing and web scraping, supporting efficient and scalable test data management.
Experience
Professional experience10+ years
Freelancer since2020
Languages
EnglishFluentFrenchFluentSpanishNative speaker
Project history
Quality assurance for a retail platform running airport catering packing and in-flight sales covering back office, mobile apps and backend. Built QA tools with Claude Code to automate repetitive testing tasks. Performed manual, automated and user acceptance testing of mobile apps (iOS & Android) and web UI. Conducted API testing and database verification (PostgreSQL, MS SQL, SQLite). Designed load and stress testing strategy with k6. Wrote BDD test cases in Gherkin, managed in Xray, and built regression test suites. Monitored AWS message queues and logs with CloudWatch.
Quality assurance for native iOS and Android gambling and sports betting apps across Spain, Colombia, Panama and Argentina - 9 apps in total. Performed integration and regression testing on Android and iOS. Handled QA process documentation and mentoring of junior QAs. Designed and executed product test plans. Conducted store release monitoring and testing.
Manual and automation QA for web applications. Identified key areas for automation and implemented end-to-end test coverage from scratch using Cypress. Defined and executed manual regression test scenarios. Automated test performance monitoring with CircleCI and Datadog. Responsible for test strategy and planning.