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Sergei Labaev

@sergeilabaev

QA Engineer at Medialogia contributing to a Playwright/Python framework and end-to-end tests for business workflows.

At Medialogia, I validate features and business workflows in an enterprise microservices-based web application, from requirements and test design through release testing. I also verify REST API endpoints with Postman and perform post-deployment checks.

I contributed to the design and development of a Playwright/Python UI automation framework using pytest and Allure. I designed reusable page objects, components, and fixtures, and implemented end-to-end tests for key business workflows.

Previously, at Usetech and Emergn, I tested web applications and validated REST APIs. At Emergn, I developed a Postman collection that automated an integration workflow across 100+ API requests; it supported test data preparation and was later integrated into the project's CI pipeline.

Experience

Work history, roles, and key accomplishments

Current

Test Engineer

Current

Medialogia

Dec 2024 - Present (1 year 10 months)

Validated new product features and business workflows through functional, regression, exploratory and release testing. Contributed to the design and development of a Playwright/Python UI automation framework using pytest and Allure.

Playwright Python Pytest Allure REST APIs Postman Functional Testing Regression Testing Exploratory testing Release Testing Test documentation Page Object Model

Software Engineer

Usetech

May 2022 - Dec 2024 (2 years 7 months)

Worked on a web application that aggregates messages from multiple social media platforms into a single workspace. Gained initial hands-on experience with UI test automation tools including Karate and Katalon Studio.

Karate Katalon Studio UI Test Automation

Software Testing Engineer

Usetech

May 2022 - Dec 2024 (2 years 7 months)

Performed functional, regression, exploratory, smoke and release testing of web application features. Participated in test analysis and test design based on business requirements.

Functional Testing Regression Testing Exploratory testing Smoke Testing Release Testing REST APIs Postman Test Cases Checklists

Tester

Emergn

Jul 2019 - Apr 2022 (2 years 9 months)

Worked on Insurance Plan Selection Web Applications, performing test analysis and design based on business requirements.

Test Analysis Test Engineer Web Applications

Manual-Tester

Emergn

Jul 2019 - Apr 2022 (2 years 9 months)

Performed functional, regression, exploratory, smoke and sanity testing of web applications. Developed a Postman collection automating an end-to-end integration workflow across 100+ API requests using JavaScript.