Viacheslav

VIACHESLAV SOSIMOVYCH
Technical Support Lead (SL2)/Middle QA Engineer
​ [відкрити контакти](див. вище в блоці «контактна інформація») ​ [відкрити контакти](див. вище в блоці «контактна інформація») ​- ​ Kyiv

EXPERIENCE SUMMARY
Technical Support Lead (SL2) Technical Support Lead/Middle QA Engineer with over 3
years of experience in technical support and quality
Мрія - державна освітня екосистема
assurance, expert in structured documentation and
07/2025 - Present technical documentation. My key achievements include
• Built and managed a Level 2 technical support team, focusing on recruitment, building a Level 2 support team from scratch and
resource planning, and operational efficiency establishing service-level agreements (SLAs) that
• Established SLAs and monitored performance to maintain high service delivery improved service delivery metrics by monitoring and
standards, enhancing customer satisfaction by 18% analyzing performance indicators.
• Resolved complex technical escalations and developed comprehensive reporting for
product improvement insights
• Coordinated with cross-functional teams to address bugs and enhance application LANGUAGES
functionality, driving infrastructure stability English
• Developed a centralized Knowledge Base in Confluence to improve team efficiency Intermediate
and knowledge sharing
• Designed and implemented technical interview and assessment processes, Ukrainian
standardizing recruitment and onboarding procedures Native
• Authored documentation to standardize support processes and facilitated
knowledge sharing to enhance team expertise
SKILLS
QA Department Lead for Microservices and Crypto projects
Support Lead Process Optimization
4Bill
06/2023 - 07/2025
Data Analysis Workflow Automation
• Conducted manual and functional testing for web products, including REST API
testing with Postman and Swagger
• Managed testing processes and created comprehensive documentation to ensure Technical Support Quality Assurance
quality control and smooth workflows
• Developed and executed manual tests using TestRail, analyzed user flows for Structured Documentation
usability, and identified edge cases
• Utilized JetBrains Toolbox (DataGrip, PyCharm EDU) to enhance testing and
development workflows Technical Documentation Customer Satisfaction
• Applied Scrum and Kanban methodologies to estimate and plan project scope
• Interacted with and optimized API documentation via tools like Swagger and FastAPI Support Processes API Testing
• Led technical interviews to evaluate and hire qualified QA candidates

Middle QA Engineer Manual Testing Functional Testing
4bill
06/2022 - 07/2025 Regression Testing Smoke Testing
• Conducted manual and functional testing of web product
• Improved testing efficiency by preparing test checklists, test cases, and Sanity Testing Acceptance Testing
specifications
• Described the problems found and the conditions for their reproduction, creating
Ad-hoc Testing Test Documentation
improvements
• Executed SQL at the level of writing database queries
• Performed Rest API testing with Postman, Swagger Test Cases Checklists SQL Rest API
• Utilized JetBrains Toolbox (DataGrip, PyCharm EDU)
• Reviewed API documentation (Swagger, FastAPI)
Postman Swagger FastAPI
Support Lead Technomatix
Technomatix JetBrains Toolbox DataGrip PyCharm EDU
08/2021 - 06/2022
• Boosted client satisfaction by 24% by streamlining communication channels PhpMyAdmin Version Control Systems (GIT)
• A key role in the customer cycle
• Managed, prioritized and escalated the support process DevTools Linux Terminal
• Maintained established tickets such as bugs up to client beta and standard stable
• Participated in the planning and resource allocation
Client-Server Architecture SDLC/STLC
Junior QA Engineer
Technomatix Bug Tracking JIRA Microsoft Office
08/2020 - 2021
• Guided team members through mentorship and close collaboration with Google Sheets
stakeholders
• Authored comprehensive test documentation including test cases and checklists
• Supervised and conducted multiple types of testing: regression, smoke, sanity,
acceptance, and ad-hoc
• Communicated with clients to align on testing requirements and feedback
• Demonstrated proficiency in manual testing of both mobile and web applications
• Applied knowledge of SDLC/STLC and tools like Postman, JMeter, and Jenkins
• Utilized platforms such as BrowserStack and PhpMyAdmin in testing processes

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EXPERIENCE
Freelance Junior QA Engineer
Testlio
03/2019 - 12/2019
• Improved software reliability through identification and reporting, reducing defects.
• Conducted manual testing of mobile/web applications easing efficiency
• Interacted with the team

EDUCATION
Gas Turbine Engine
Nation Aviation University
09/2015 - 07/2019 Kyiv, Ukraine
• Graduated from the military department with a degree in unmanned aerial vehicles, I
have the rank of junior lieutenant.

Unmanned Aerial Vehicles
Nation Aviation University
09/2016 - 07/2019 Kyiv, Ukraine

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