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Experienced Senior QA Automation Engineer with a proven track record in testing diverse systems, including backend (Java), frontend (JavaScript, TypeScript), mobile applications, and hardware-in-the-loop solutions (Python). Specialized in building robust testing frameworks, implementing CI/CD pipelines, and deploying applications to cloud environments. Expertise spans microservices architecture, REST APIs, messaging systems, and AI-integrated solutions. Passionate about learning emerging technologies and driving quality excellence across all development phases.…Experienced Senior QA Automation Engineer with a proven track record in testing diverse systems, including backend (Java), frontend (JavaScript, TypeScript), mobile applications, and hardware-in-the-loop solutions (Python). Specialized in building robust testing frameworks, implementing CI/CD pipelines, and deploying applications to cloud environments. Expertise spans microservices architecture, REST APIs, messaging systems, and AI-integrated solutions. Passionate about learning emerging technologies and driving quality excellence across all development phases.

Jakub Baranowski

QA Engineer, Back-End Developer, Front-End Developer, +3

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Experienced Senior QA Automation Engineer with a proven track record in testing diverse systems, including backend (Java), frontend (JavaScript, TypeScript), mobile applications, and hardware-in-the-loop solutions (Python). Specialized in building robust testing frameworks, implementing CI/CD pipelines, and deploying applications to cloud environments. Expertise spans microservices architecture, REST APIs, messaging systems, and AI-integrated solutions. Passionate about learning emerging technologies and driving quality excellence across all development phases.…Experienced Senior QA Automation Engineer with a proven track record in testing diverse systems, including backend (Java), frontend (JavaScript, TypeScript), mobile applications, and hardware-in-the-loop solutions (Python). Specialized in building robust testing frameworks, implementing CI/CD pipelines, and deploying applications to cloud environments. Expertise spans microservices architecture, REST APIs, messaging systems, and AI-integrated solutions. Passionate about learning emerging technologies and driving quality excellence across all development phases.

Available to hire

Experienced Senior QA Automation Engineer with a proven track record in testing diverse
systems, including backend (Java), frontend (JavaScript, TypeScript), mobile applications, and
hardware-in-the-loop solutions (Python). Specialized in building robust testing frameworks,
implementing CI/CD pipelines, and deploying applications to cloud environments. Expertise
spans microservices architecture, REST APIs, messaging systems, and AI-integrated
solutions. Passionate about learning emerging technologies and driving quality excellence
across all development phases.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Polish

Fluent

English

Advanced

Work Experience

QA Automation Engineer at B2C2

October 1, 2024 - Present

Built and implemented a testing framework for Java/Kdb+ backend; developed a desktop Ranorex-based testing framework; created a testing framework for a mobile Flutter app using Appium; prepared data quality tests for services and their integration testing; implemented CI/CD pipelines (Jenkins, GitHub) and deployed applications to AWS prod environment; maintained functional and non-functional (load) test packages; performed UI testing with Selenium WebDriver; collaborated with DevOps to automate data quality checks and testing across services.

QA Automation Engineer at TRG Screen

January 1, 2021 - March 31, 2022

Developed and implemented the testing framework for Java/Kdb+ backend; built desktop Ranorex-based tests; created a testing framework for a mobile Flutter app using Appium; prepared data quality tests for services and integration testing; implemented CI/CD pipelines; performed UI and integration testing; used Jira/Confluence/Scrum/Kanban; delivered testing solutions to a Leading Hedge Fund.

QA Automation Engineer at Grand Parade

October 1, 2018 - May 1, 2020

Testing a Java-based web application with cross-browser support; frontend powered by a JavaScript-based framework; automated tests with Selenium WebDriver; developed and maintained a testing framework for Java-based backend and front-end components; used Jira/Confluence; contributed to deployment and testing on the William Hill project (ex William Hill).

QA Automation Engineer at B2C 2

October 1, 2024 - Present

Developed automated testing across Java backend and JavaScript/TypeScript frontend, including mobile components. Built and maintained automated test suites, integrated with CI/CD pipelines, and deployed to cloud environments. Collaborated on building AI-assisted testing approaches and ensured coverage for REST APIs, microservices, and hardware-in-the-loop components.

Senior QA Automation Engineer at Data Intelligence, Belfast

March 1, 2022 - March 1, 2024

Led testing across backend (Java/Kdb+), frontend, and mobile platforms; designed and implemented robust testing frameworks; built CI/CD pipelines; deployed applications to cloud environments; performed REST API and messaging system testing; contributed to AI-integrated testing approaches.

QA Automation Engineer at Data Intelligence, Belfast

January 1, 2021 - March 1, 2022

Developed automated testing framework for Java/Kdb+ backend; desktop RANorex-based testing framework for desktop, and Appium-based framework for mobile Flutter apps; prepared data quality tests; implemented CI/CD pipelines; released to AWS prod environments; documented test results and contributed to test strategy.

QA Automation Engineer at Grand Parade, Cracow (ex William Hill)

October 1, 2018 - May 1, 2020

Implemented automated tests using Selenium, Cypress, and WebDriverIO; built and executed automated and manual test suites; integrated CI with Jenkins and GitLab CI; contributed to backend and frontend test coverage for betting platform services.

Embedded Software Tester at FEV Polska, Cracow

June 1, 2017 - October 1, 2018

Verified embedded software for BMW ADAS; conducted hardware-in-the-loop testing; contributed to test plans and automation using Python; integrated testing activities with CI pipelines; collaborated with cross-functional engineering teams.