# Kostia Huryuk > SDET | QA Automation Engineer | QA | Selenium, Cypress, Playwright | API | JS/TS/Java | Appium | Location: United States, United States Profile: https://flows.cv/kostia Experienced QA and Site Reliability Engineer with over 10 years of hands-on experience in testing and automating web, mobile, API, and cloud-based applications. I specialize in building robust, scalable test automation frameworks using modern tools like Cypress, Selenium, Playwright, Appium, and REST Assured, paired with Java, JavaScript, and TypeScript. With a strong foundation in backend testing, API validation, and infrastructure automation (Terraform, GitHub Actions, AWS), I bridge the gap between QA and DevOps, ensuring both quality and reliability. At Ninety.io, I’ve led core QA efforts, driven monitoring with SLOs/SLIs, and helped scale automated testing across services using AWS Lambda and Datadog. My approach is proactive, collaborative, and detail-oriented — I thrive in agile environments where quality, speed, and continuous improvement are key. Whether it’s building test suites from scratch, optimizing CI/CD pipelines, or validating large-scale systems, I bring both technical depth and team-first mindset to every challenge. ## Work Experience ### Senior Software Engineer in Test @ Ninety Jan 2024 – Jan 2025 | United States ● Proactively implemented and monitored Service Level Objectives (SLOs), SLIs, and Error Budgets using tools like Datadog, ensuring adherence to reliability targets. ● Automated infrastructure provisioning and configuration using Terraform, streamlining deployments across multiple environments, and ensuring infrastructure-as-code best practices. ● Designed and executed test suites utilizing AWS Lambda functions, integrated with CloudWatch for scheduling, to ensure application reliability and performance ### Software Engineer in Test @ Ninety Jan 2023 – Jan 2024 | United States ● Developed and maintained advanced test automation scripts utilizing TypeScript, Cypress, and the Screenplay pattern, significantly enhancing testing efficiency and reliability while demonstrating expert programming skills. ● Created and maintained automation test scripts for backend API testing using OpenAPI, as well as using Postman with Newman for reporting. ● As the lead of the Core Pod, directed quality assurance efforts for core functionality and billing processes, ensuring high standards and seamless operations. ● Conducted comprehensive testing of MongoDB databases to validate data integrity, ensuring compliance with application requirements. ### QA Automation Engineer @ Wheels Up Jan 2020 – Jan 2023 | New York, United States ● Automated UI Tests for Web-based applications using Java / Selenium / Gauge. ● Developed functional automation scripts for Mobile UI using Java / Appium + Allure. ● Developed automation test script for RESTful API using Java/REST Assured + Allure. ● Developed and executed performance tests using JMeter + Blazemeter. ● Developed and maintained an existing framework for automation testing. ● Performed Data and test integration with Jenkins and migration to Azure. ● Experienced in doing interviews for new candidates and providing smooth onboarding. ● Adding documentation, new test cases, and reporting bugs into JIRA. ### Senior Quality Assurance Engineer @ Kantar Jan 2020 – Jan 2020 | Norwalk, Connecticut, United States Develop automation test script for API regression using Postman tool with extended HTML reporter. ● Integrate API regression with the Freestyle Jenkins project. ● Using MS SQL for testing data retrieval and for analyzing data. ● Maintain an existing framework for automation testing(Java + Selenium + TestNG)​. ● Leading deployment process implemented by automation/development teams. ● Develop and execute the automation test script for regression scenarios. ● Create and execute test documentation including test scenarios/cases/scripts for UAT, functional, and regression testing. ● Demonstrate work progress and future testing plans for the entire team. ### Quality Assurance Engineer @ Aventri Jan 2017 – Jan 2020 | Norwalk, Connecticut, United States ● Created and executed functional automation scripts using Java, Selenium WebDriver and Serenity BDD Framework. ● Analyzing manual test cases and technical aspects and convert them into automation tests. ● Create and maintain automation frameworks. ● Develop and execute solid test documentation including Test Plans, Cases and Scripts for UAT, functional and regression testing. ● Working closely with onshore and offshore teams(QA and Devs) directing/reviewing the test planning and execution work efforts. ● Develop and execute automation test script for API testing using Postman and SoapUI. ● Used Jenkins as a continuous integration server to run automated test suites. ● Perform Acceptance / Regression / Exploratory / UI / Functional / Smoke testing using automated(Selenium/Java) and Manual methods for cross-browser/module testing. ● Using MS SQL for data retrieval and for testing. Analyze business and technical requirements to suggest improvements to the product features. ● Help to troubleshoot issues, executing post-release/post-implementation testing. ### QA Lead @ bevRAGE LLC Jan 2016 – Jan 2017 | Stamford, Connecticut, United States ● I have been the lead QA for mobile applications built from scratch. In 6 months mobile applications scaled to 500,000 new registrations. ● Manage 5 QA Engineers. ● Reported regularly about QA front-end/ backend status to CEO, CTO and Product Owners. ● Design and develop frontend and backend test scenarios and test cases. ● Using MS SQL for data retrieval and for testing. ● Implement integration testing with social networks as Facebook and Instagram. ● Participated in QA team and Bug tracking or Defect Review meeting, Sprint planning meeting, Coordination meetings. ● Participated in the UI design and UX planning ● Release manager (iTunes connect, Google play store) ### Quality Assurance Engineer @ Testlio Jan 2014 – Jan 2016 | Remote Been involved to test global mobile applications Performing manual black-box testing in a flexible and fast-paced environment. Perform Exploratory, Functional, Regression, GUI, Usability and Localization tests on real iOS, Android, streaming box and web-based applications. Writing and Executing test cases. Writing easy to reproduce bug reports including valid attachments (device logs or traffic logs, video, screenshots). Configuration devices to specific testing env and installing apps. Performed cross-browser and cross-platform testing. ### Junior Software Quality Assurance Engineer @ ELEKS Jan 2012 – Jan 2014 | Ternopil Branch office ** Perform acceptance, regression, functional/performance testing GUI, smoke/sanity, usability using manual methods. ** Setup test-driving data and test preconditions for automation script by writing test cases/suites. ** Analyze data of performance testing results. ** Performed cross-browser testing and maintenance for virtual machines. Involved in: I. AVG toolbar (http://avg.com) - cross browsing toolbar and antivirus. Involved manual testing software to identify and resolve problems from the end-users perspective. Writing and executing test cases. Bug vetting & preparing status reports. Tracking, logging and reporting defect and bug discovery. Liaising with developers and programmers to swiftly resolve fault. Worked with the team to investigate design approaches and evaluate feasibility. Analyze, troubleshoot and solve problems in a timely and accurate manner. ІI. SyncVerify - compare many photos at once (http://syncqa.com/syncverify/); III. ETS - application of taxi services (internal project). ## Education ### English as a Second or Foreign Language CT State Norwalk Jan 2014 ### Master's degree in Computer Software Engineering Ternopil Academy of National Economy Jan 2008 – Jan 2013 ### Specialist in Accounting and Finance National University of State Tax Service of Ukraine Jan 2008 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/kostia-huryuk --- Source: https://flows.cv/kostia JSON Resume: https://flows.cv/kostia/resume.json Last updated: 2026-03-22