Назарій

Nazar Yusin
[open contact info](look above in the "contact info" section)

[open contact info](look above in the "contact info" section)

Nazar_us27 Senior QA Automation / SDET Engineer

TECH SKILLS
Programming Languages: Python, Java
Test Automation: Selenium WebDriver, Playwright, Cypress, Appium, TestNG, JUnit, PyTest,
Behave (BDD), Cucumber
API Testing: REST API Testing, Postman, Swagger/OpenAPI
Performance Testing: Apache JMeter, Gatling
CI/CD & Development Tools: Jenkins, GitLab CI/CD, Maven, Git, Docker
Databases: PostgreSQL, MySQL, MongoDB, Oracle, SQL Server
Cloud & Infrastructure: AWS, Kafka, BrowserStack, Sauce Labs, AWS Device Farm
Development & Debugging Tools: Charles Proxy, Fiddler, Android Studio, Xcode, Android SDK,
Jira
Web Technologies: HTML, CSS, JavaScript
Language: English: B2 (Upper-Intermediate)

SUMMARY
Senior QA Automation / SDET Engineer with 8+ years of experience building and scaling
automation solutions across web, mobile, API, and distributed systems. Strong background in
automation framework development, backend testing, CI/CD pipelines, and distributed systems
validation. Experienced in designing reliable automation strategies for complex enterprise
platforms and improving product quality through scalable automation engineering.

EDUCATION
National Technical University of Ukraine
Igor Sikorsky Kyiv Polytechnic Institute 2021-2022
Master’s degree in Thermal Power Engineering

EXPERIENCE
GlobalLogic - Senior QA Automation Engineer 12.2024 - Present
Project Description
Working on Roku’s enterprise-scale streaming platform focused on automated validation of
embedded TV applications and distributed backend services powering millions of devices globally.
The system includes complex API integrations, subscription management, telemetry processing,
A/B experimentation systems, device communication protocols, and production release
automation infrastructure.

Key Responsibilities
• Develop and maintain automated test solutions using Python, Behave (BDD), PyTest, REST APIs,
and internal automation frameworks for validation of large-scale streaming platform functionality.
• Validate complex end-to-end product flows covering embedded TV applications, content
discovery services, subscription management, payment systems, and customer-facing platform
features.
• Work with distributed backend architecture involving multiple internal services, API
integrations, telemetry pipelines, and device-to-cloud communication across complex production
environments.
• Investigate system-level failures by analyzing application logs, API responses, service
dependencies, telemetry events, and infrastructure behavior to identify root causes.
• Debug asynchronous processing issues, race conditions, flaky automation scenarios, timing-
sensitive failures, and unstable integrations across distributed systems.
• Design reusable framework components, shared test abstractions, and scalable automation
architecture improvements focused on maintainability, stability, and long-term reliability.
• Improve platform quality by refactoring unstable automation logic, reducing technical debt, and
introducing more resilient validation and synchronization mechanisms.
• Support release-critical validation suites, CI/CD pipelines, and test execution infrastructure
while working closely with backend, platform, and infrastructure engineering teams.

SellSmart - Senior QA Automation Engineer 09.2022 - 11.2024

Project Description: SellSmart is a cloud-based no-code automation platform that enables users
to build business workflows, connect third-party applications, and automate repetitive processes
without coding. The platform includes a visual workflow builder, integration layer for CRM, e-
commerce, and marketing tools, and embedded automation capabilities for SaaS products.
Key Responsibilities
Develop ed and maintained automated UI and API test suites for a no-code workflow
automation platform using web, mobile, and backend integration testing approaches.
Validated complex end-to-end workflow scenarios, including trigger-action logic, third-party
integrations, embedded automation flows, and cross-platform user journeys.
Performed API testing of integrations with CRM, e-commerce, and marketing platforms,
verifying data consistency, error handling, authentication, and workflow execution results.
Designed and executed mobile testing coverage for the companion application, including
feature parity, push notifications, sy nchronization behavior, and regression scenarios.
Supported AWS-based CI/CD pipelines and automated test execution workflows using ECS, S3,
and Lambda to improve release stability and feedback cycles.
Collaborated with developers and product owners to investigate cross-platform defects,
integration failures, and usability issues across embedded and standalone product
environments.

Mobenergyhub - Automation QA Engineer 05.2020 - 08.2022
Project Description: Mobenergyhub is a smart energy management platform designed for real-
time monitoring, automation, and optimization of energy distribution across charging
infrastructure, battery systems, and connected devices. The platform processes real-time
telemetry data, supports renewable energy integrations, and provides scalable infrastructure for
energy analytics and automated control systems.
Key Responsibilities
Developed and maintained automated backend test solutions for a smart energy management
platform using Java, Selenium, REST APIs, SQL, and automation frameworks.
Built automated API and integration test suites validating real-time telemetry processing,
energy distribution logic, battery management workflows, and communication between
interconnected backend services.
Verified business-critical platform logic responsible for power consumption monitoring, energy
flow calculations, charging infrastructure management, and historical reporting accuracy.
Designed end-to-end automated validation scenarios covering real-time system updates, alert
generation, automated control workflows, and synchronization between platform components.
Performed backend testing focused on data consistency, service reliability, fault tolerance,
and correctness of complex business logic across distributed services.
Integrated automated test execution into CI/CD pipelines, improving release quality through
continuous validation of production builds before deployment.
Expanded automation coverage by developing reusable test components and reducing manual
validation efforts for complex backend-driven workflows.
Worked closely with development teams to identify system defects, validate platform behavior
under real-world operational scenarios, and improve overall product quality.

WellnessLiving - Junior/Middle Automation QA Engineer 05.2018 - 03.2020
Project Description: WellnessLiving is a cloud-based business management platform providing
scheduling, payment processing, membership management, marketing automation, and customer
management solutions for fitness, wellness, and beauty service providers.
Key Responsibilities
Developed and maintained automated test suites using Java, Selenium WebDriver, TestNG,
REST APIs, and SQL for validation of core platform functionality.
Automated end-to-end user workflows covering appointment booking, scheduling, payment
processing, membership management, and customer-related platform features.
Created API and backend test scenarios to validate business logic, data consistency, and
correct execution of client, staff, and subscription management workflows.
Performed regression testing, defect investigation, and backend validation using SQL queries
to ensure stability of frequent product releases.
Collaborated with development and QA teams to reproduce issues, improve automation
coverage, and maintain overall quality of customer-facing platform functionality.