Summary
Overview
Work History
Education
Skills
Certifications Courses
Languages
Timeline
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Yaroslav Chernii

Warsaw

Summary

Experienced QA Team Lead with hands-on expertise in manual and automation testing (Python) of native mobile applications, web, and desktop software. Seeking to further drive quality and efficiency across mobile-focused teams through leadership, process improvement, and modern QA practices.

Over 12 years in QA, including extensive team leadership experience on native mobile app projects (Android/iOS). Proven ability to build QA teams and establish testing processes from scratch. Strong experience in manual testing and basic automation testing (Python). Solid understanding of Agile, Scrum, Kanban, and SDLC/STLC. Familiar with SDK integrations and WebView-based mobile applications. Skilled in black-box, gray-box, functional, GUI, regression, usability, ad-hoc, smoke, stress, and load testing. Experienced in test documentation, bug reporting, and setting up quality assurance workflows. Strong collaboration with designers (Figma) and UX analysis tools (UXCam). Practical use of Firebase, Appsflyer, and analytics SDKs. Effective communicator with Upper-Intermediate English and a strong track record of working in multicultural teams.

Overview

9
9
years of professional experience

Work History

QA Team Lead

Pin-Up Tech
03.2023 - Current
  • Led the QA team on a native mobile application project (iOS & Android)
  • Built testing processes from scratch and defined test strategy for mobile products
  • Oversaw SDK integrations and QA for mobile analytics (Appsflyer, Firebase)
  • Managed team workloads, prioritized test cycles, and coordinated with product/design/dev teams
  • Reviewed automation test scripts (Python) and assisted in framework design
  • Integrated tools like Figma and UXCam into QA process for usability validation

Manual QA Engineer

Pin-Up Tech
05.2021 - 03.2023
  • Conducted functional and GUI testing of mobile and web applications
  • Tested mobile apps with WebView components and monitored SDK integrations
  • Created detailed test cases and bugs in Jira/Xray
  • Participated in sprint planning and retrospective meetings

Manual QA Engineer

Rokobit
12.2020 - 05.2021
  • Tested fintech mobile/web applications
  • Validated APIs and integrations using Postman
  • Documented results and created issue reports

Manual QA Engineer

SPsoft
01.2020 - 07.2020
  • Cross-platform testing (Windows/macOS)
  • Regression and exploratory testing of business applications

Manual QA Engineer

e-Share
03.2019 - 12.2019
  • Validated web application workflows and performed compatibility tests
  • Collaborated with developers to reproduce edge-case issues

Manual QA Engineer

e-Delux
03.2018 - 02.2019
  • Usability testing and bug reporting
  • Participated in UX reviews and provided user behavior insights

Software QA Engineer

Freelance
12.2016 - 02.2018
  • Tested web/mobile products for small businesses
  • Worked independently on quality strategy, execution, and reporting

Software QA Engineer

Resume Builder Project
09.2016 - 11.2017
  • Full-cycle manual testing from beta to release
  • Verified UI for accessibility and usability guidelines
  • Used VMs to perform multi-environment testing

Education

B.Sc. - Computer Science

Lviv Polytechnic National University
Lviv
01.2017

Skills

  • Windows
  • MacOS
  • Linux
  • Android
  • IOS
  • Chrome
  • Firefox
  • Safari
  • Opera
  • IE
  • Jira
  • Xray
  • Redmine
  • TestRail
  • Postman
  • Gitlab
  • GitHub
  • Slack
  • Swagger
  • UXCam
  • Figma
  • Datacol7
  • JMeter
  • Android Studio
  • Xcode
  • Virtual Machines
  • HTML
  • CSS

Certifications Courses

  • Software QA Engineer Course, Ukraine, 2017
  • Software Testing Course, LOGOS Academy, 2018
  • English Language School, Ukraine, 2019

Languages

Ukrainian
Bilingual or Proficient (C2)
Polish
Upper intermediate (B2)
English
Upper intermediate (B2)
Russian
Advanced (C1)
Hebrew
Elementary (A2)

Timeline

QA Team Lead

Pin-Up Tech
03.2023 - Current

Manual QA Engineer

Pin-Up Tech
05.2021 - 03.2023

Manual QA Engineer

Rokobit
12.2020 - 05.2021

Manual QA Engineer

SPsoft
01.2020 - 07.2020

Manual QA Engineer

e-Share
03.2019 - 12.2019

Manual QA Engineer

e-Delux
03.2018 - 02.2019

Software QA Engineer

Freelance
12.2016 - 02.2018

Software QA Engineer

Resume Builder Project
09.2016 - 11.2017

B.Sc. - Computer Science

Lviv Polytechnic National University

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Yaroslav Chernii