Антон

Anton Rieznik Details
QA Engineer
Telegram
profile @ac1dcrusher
Phone
QA Engineer with 4+ years of experience in web and mobile testing. Managed a
team of eight as Team Lead, owned release sign-offs, and drove QA process [відкрити контакти](див. вище в блоці «контактна інформація»)
improvements across multiple projects. Strong understanding of SDLC/STLC. 
 Email
I adapt quickly to new environments and technologies. Responsible, detail-
oriented, and focused on preventing defects, not just finding them. [відкрити контакти](див. вище в блоці «контактна інформація»)



LinkedIn:

experience
[відкрити контакти](див. вище в блоці «контактна інформація»)
Polytech Software
Manual QA Engineer (02/2021 - 05/2023)
I started as a Manual QA Engineer, focusing on testing web applications

Skills : SDLC/STLC, Agile, Scrum, test
(primarily single-page applications built with Vue.js) and, occasionally, documentation (checklists, regression
mobile applications (mostly WebView apps).
sheets, bug reports, dev tasks, test
Owned QA activities across the full SDLC: from requirements analysis to plans, test cases); Jira, REST API,
post-release verification, creating and maintaining test documentation,
Postman, Swagger, Browserstack,
executing manual functional, smoke and regression tests, performance
load testing, API checks and collaborating closely with developers and Chrome DevTools, JMeter, Firebase,
product owners (POs).

 Stripe, Prometheus, Bitbucket, Figma,
Zeplin; Android Studio, XCode
Polytech Software Testflight; PHP Symfony, Vue.js, AWS,
QA Team Lead (05/2023 - 10/2025) CDN, CLI/Linux/Bash; mentoring,
After two years of consistent delivery and process ownership, I was problem analysis and reporting,
promoted to QA Team Lead, leading a team of eight engineers across English (Intermediate)
multiple projects.

Key responsibilities & achievements:

– Owned end-to-end QA for the main platform and client projects,
including release sign-off and risk assessment

– Reduced production escape rate by improving regression scope and
test coverage

– Established QA metrics (defect density, test pass rate) to track team
health and release readiness

– Managed team of 8: conducted 1:1s, performance reviews, and
mentored junior QAs

– Served as the primary bridge between QA, development, and product
teams to resolve blockers and clarify requirements

Education
Kryvyi Rih National University
Program Subject Area: Applied mechanics

Educational program in Mechanical Engineering Technology

Master degree

2015-2021