Hire the Best QA Engineers
in Poland

I'm a QA Engineer with 5+ years of commercial experience in web, mobile, API, and backend testing, including complex fintech products. I can help you find critical issues before your users do, verify new features, test APIs and integrations, perform regression testing, and improve the overall quality of your product. 🔹 What I can help you with: • Manual & Functional Testing • Web & Mobile Application Testing • API / REST Testing • Regression & Smoke Testing • Integration Testing • Exploratory Testing • Test Cases, Checklists & Bug Reports • SQL / Database Testing • Basic Test Automation 🔹 Tools & Technologies: • Postman, Swagger • Chrome DevTools • SQL, DBeaver, Microsoft SQL Server • Charles Proxy, Burp Suite • Selenium • Java, REST Assured, TestNG • Jira, Redmine, Allure • JSON, XML, REST API I have experience working with complex business logic and fintech products where reliability and accurate data are critical. I provide clear bug reports with reproduction steps, expected/actual results, screenshots or videos, logs, and all necessary technical details — so developers can reproduce and fix issues quickly. I can join an existing QA process or independently test your website, mobile app, API, or new feature. If you need a reliable QA Engineer for a one-time test or ongoing cooperation, feel free to contact me.

Web, mobile and API automation expert. Fully integrated CD and CI pipeline using Jenkins, Gitlab, Codeship and other tools. I have strong experience in creating automation tests using cucumber, jbehave, serenity BDD automation framework and using all its features, like integration with Jira, running tests in parallel on Jenkins and excellent HTML reports after finishing the tests. Expert in CD and CI setup using open source application and tools help your team to achieve high quality product with in timeline. Experience using Jenkins Codeship, aws EC2, Heroku and firebase to providing the cutting edge automation testing solution. As a load test engineer, I create the custom scripts in Jmeter and then we can run those scripts on the required infrastructure. I will help you benchmarking your application. I have working experience in creating web scrapper using phantomjs/selenium and casperjs as framework. I can save the results of web crawler in txt, xls or in DB also the out put can be in JSON format so that you have integrate it with your backend code. Following are the tools and languages I am comfortable working with: 1. Java, selenium webdriver, selenium page object model 2. Javascript, phantomjs, casperjs 3. Nodejs, ES6 4. Cucumber, Serenity BDD, Jbehave 5. Jenkins, Codeship, Cloudbees 6. Firebase, Heroku, AWS EC2, S3, codedeploy 7. Jmeter, Blazemeter. We have leading protractor testing framework ready to use. It has following features. 1. Customised gulp commands to run all tests, run single scenario, run tests based on tags, provide the application url from command line. 2. Configurable with CD/CI, Browser stack, Sauce lab, Bitbar 3. Single test result page for run on different browser and devices. 4. Notification for failed step and number of test failed

5+ years of experience across web, mobile, backend, and slot games. Strong in functional, regression, API, and cross-platform testing, with hands-on Playwright + TypeScript automation, Postman, SQL, DevTools, and CI/CD.

Your team is losing time on manual regression and flaky tests that slow down every release. I fix that. My clients typically see: • 70% faster release cycles through parallel test execution and CI/CD integration • 75% better test coverage across web, API, and mobile layers • 60% fewer critical defects reaching production I cover web (Playwright, Selenium, Cucumber), API (REST Assured, Postman, GraphQL), mobile (Appium, Maestro for iOS & Android), and CI/CD (GitLab CI, Jenkins, Azure DevOps, Docker). Performance testing with JMeter and K6. I also use AI-assisted tooling to build smarter automation frameworks with self-healing tests and reduced maintenance. What Makes Me Different AI-First Automation I use Claude Code, MCP (Model Context Protocol), and multi-agent systems to build self-healing, intelligent frameworks — not just scripts. This reduces test maintenance by up to 40% and gives your team actionable insights in real time. Full-Stack Coverage From REST APIs to mobile UI, I cover every layer of your application: Web: Playwright, Selenium WebDriver (TypeScript/JavaScript) Mobile: Appium, Maestro (iOS & Android) API: REST Assured (Java), Postman, GraphQL CI/CD: GitLab CI, Jenkins, Azure DevOps, Docker, AWS Performance: JMeter, K6 💼 Recent Results AI Health App (Gaia) — Built REST Assured API framework + Maestro mobile automation + LLM response validation for healthcare AI conversations Enterprise Automation — 70% faster release cycles, 75% better coverage, 60% fewer critical defects Mobile Gaming (Product Madness) — 91% increase in test coverage across iOS/Android platforms ✅ Why Clients Come Back Full ownership: from framework design to CI/CD integration Clear communication: daily updates, no surprises Business-focused: I optimise for your release velocity, not just test counts Modern stack: always using the best tools available today Expertise: Test Automation API Automation Mobile Automation End-to-End Testing Automation Framework Development CI/CD Test Integration Performance Tests with JMeter Beyond test automation, I also build workflow automations in Make. com — particularly for teams that need their integrations to be as reliable as their test suites. If you're connecting APIs, moving data between tools, or automating business processes, I bring the same QA-minded approach: edge cases covered, error handling built in, and logic verified before it goes live. 🌍 Availability 📍 Poland (CET) — flexible for US & EU time zones 🕐 Available for long-term collaborations and ongoing automation projects. 🗣 English (Fluent) · Ukrainian (Native) · Polish (Intermediate) · Russian (Fluent)