Yaroslav

Yaroslav Kozakov
​ ​ ​ ​ ​ Software Testing Engineer
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Kyiv (Ukraine), [открыть контакты](см. выше в блоке «контактная информация»), [открыть контакты](см. выше в блоке «контактная информация»), [открыть контакты](см. выше в блоке «контактная информация»)

SUMMARY
Detail-oriented Manual QA Engineer with 5+ years of experience in functional, regression, and UI testing for web,
mobile, and embedded systems. Proven track record in designing test cases, defect tracking, and collaborating with
cross-functional teams in Agile environments. Skilled in REST API testing (Postman), log analysis, and cross-platform
validation (Windows, Linux, iOS/Android). Adept at improving test coverage and ensuring product quality through
meticulous manual testing.

WORK EXPERIENCE

Software Test Engineer at DXC (Luxoft)​ ​ ​ ​ ​ ​ ​ Dec 2021 – Present
Domain: Automotive
Project: infotainment system features (navigation, radio, media, entertainment, phone, voice, and vehicle settings)
Working for a core delivery team inside the Luxoft Automotive Division to develop the new incumbent of a suite of
products. These products are focused on the development and delivery of HMI for the head unit in the automotive area
Testing FE / BE microservices architecture developed on C++, Qt QML, and conducting automation coverage using
Squish for QT, Pytest, and Python

Achievements:
Reduced test coverage by 33% (from 1,800 to 1,200) using a Traceability Matrix, improving testing efficiency and
shortening execution time without compromising coverage, which enabled faster release cycles and better focus on
critical features
Prepared introductory documentation for a new colleague on setting up a test and auto-master environment, reducing the
onboarding time from 3 weeks to 3 days.

Responsibilities:
Develop, execute, and maintain functional test cases based on Use Cases and stakeholder input to ensure full system
coverage.
Document detailed test reports, including test environment, results, and identified defects.
Manage the full bug life cycle - from clear reporting to retesting, validation, and resolution.
Conduct regression, smoke, and sanity testing to ensure software stability.
Prepare the test design according to the defined test approach to ensure full coverage of product specifications and
requirements.
Perform API testing using Postman.
Review project requirements and functional specifications for accuracy.
Test on real automotive hardware.
Collaborate with customers to clarify requirements and resolve issues.
Provide high-level (HLE) and low-level (LLE) effort estimations.

Manual QA Engineer at Anysoft​ ​ ​ ​ ​ ​ ​ ​ Jun 2020 – Dec 2021
Domain: E-Commerce
Project: software distribution website working for Ukraine
Testing FE / BE microservices architecture developed on React and FAST API

Achievements:
As the only tester on the project, I established test documentation such as test cases, test plans, and test executions
Streamlined processes on the project according to Scrum methodology

Responsibilities:
Performed cross-browser, UI/UX testing, installation, localization, smoke, regression, repeated, build testing,
failure, and recovery (interrupt testing), and ad-hoc testing.
Created and edited test documentation (test cases, checklists, bug reporting).
Conducted testing of mobile devices (IOS/Android).
 Conducted API testing using Postman.
Participated in brainstorming meetings to generate unique ideas.
Performed back-end validation by writing SQL queries (PostgreSQL) to verify data integrity between APIs and
databases.

TOOLS
Issue Tracking and Test Management: Trello, Test Automation Framework: Pytest,
Jira, TestRail, Xray Selenium, Playwright
Browser DevTools: Firefox/Chrome DevTools Code repository: Bitbucket, GitHub, Gerrit for
Database: MySQL, DBeaver, PostgreSQL code review
IDE: VS Code, PyCharm Languages: Python (basic)
API Testing: Postman, Swagger Logging and Monitoring: DLT Viewer, linux
General Web Technologies: HTML/CSS, HTTP terminal debugging
Team workspace: Confluence Network file transfer: PuTTY, SSH

SKILLS
●​ UI automated test cases development and ●​ Analytical Thinking
maintenance (Python) ●​ Leadership
●​ Proficient in API testing (REST) ●​ Problem-Solving Skills
●​ Proficient in mobile testing (Android) ●​ Attention to Details
●​ Testing on real automotive devices (Vector ●​ Adaptability & Willingness to Learn
CANoe) ●​ Communication & Collaboration
●​ System, Regression, Smoke, UAT, GUI, and ●​ Time Management
Black Box Testing
●​ Proficient in preparing and executing test cases
●​ Defect management & defect tracking & bug
reporting
●​ Requirements analysis

EDUCATION & TRAININGS
Test Design Training, Black-Box test techniques| Certified Unicorns|[Certificate]​ ​ ​ ​ 2024
API testing |Iryna Volnykh|[Certificate]​ ​ ​ ​ ​ ​ ​ ​ ​ 2024
Automation Software Testing | Python | Globallogic|[Certificate]​​ ​ ​ ​ ​ 2024
Author's course | Vadim Ksendzov |[Certificate]​ ​ ​ ​ ​ ​ ​ ​ 2021
QA Base | QA START UP|[Certificate]​ ​ ​ ​ ​ ​ ​ ​ ​ 2020
National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"​ ​ 2005-2011
Mechanical Engineering, Specialist Degree
The International University of Finance​ ​ ​ ​ ​ ​ ​ ​ 2008-2010
Finance, Banking, and Insurance, Bachelor's Degree

LANGUAGES
English: Conversational Upper-Intermediate (B2), continuously improving
Ukrainian: Native