Anton

Anton Mazin – QA Team Lead
Email: [open contact info](look above in the "contact info" section) | Phone: [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
Ukraine

Professional Summary
Self-motivated QA Team Lead with 12 years of experience in testing, team
management, and project analysis. Proven expertise in enhancing quality
assurance processes, minimizing defects, and optimizing user experience metrics.

Skills & Instruments
- Team Leadership, Problem-Solving, Continuous Improvement Mindset
- Hiring Process Management
- Web, Mobile, Desktop Testing, Quality Assurance Techniques
- Postman, Python, Selenium, Spark, Wireshark, Fiddler, Appium, Metasploit, Git
- VMware, VPNs, Proxy, GPS Spoofing
- CSS, HTML, JSON, Client-server architecture
- Google Analytics, Firebase, Azure
- Jira, Kanban, Scrum

Work Experience
QA Team Lead - Web Source (22.07.2019 – 02.14.2025)
- Led QA teams (5 teams, 10 members total)
- Recruitment of QA specialists and development of technical test assignments
for candidates.
- Collaboration with teams to discuss functional / non-functional testing
strategies.
- Implementation and exploration of new tools within the team.
- Support for ongoing projects when testers were unavailable and urgent
testing was needed.
- Continuous practice of web, mobile, and desktop testing
- Ensured proper documentation practices and tracked QA team progress,
achievements, and project assignments.
- Provided mentorship and strategic advice on salary negotiations.
- Collaboration with development teams, financial teams, and the company's
CTO to improve product quality.
- Verified schedules to maintain smooth team operations.
- Cross-Project Testing: Enabled testers to gain experience across mobile, web,
and desktop applications.
- Increased the crash-free user rate to nearly 100%
- Analyzing Google Analytics and Firebase to identify weak points in the
product.
- Conducting A/B testing and configuring Remote Config for dynamic updates
without code changes.
- Taking on roles of Product Manager, Project Manager, and Product Owner
when needed.
- Keeping Jira tasks updated, ensuring deadlines were met, and maintaining an
efficient workflow.
- Monitoring market prices, evaluating whether new or used devices were
better suited for projects.

QA Lead - Semolina (01.02.2016 – 19.07.2019)
- Conducted testing on Android, iOS, Windows and Linux platforms
- Designed and executed test plans, test cases, and detailed bug reports
- Performed stress and load testing to ensure system stability and performance
- Testing Big Data and ETL processes.
- Mentored and led a team of six QA engineers

QA Engineer - Neatech (26.08.2014 – 29.01.2016)
- Automation AutoIt, Java
- Conducted backend testing and cross-platform validation
- Led a team (6 junior QA testers)
 Junior QA Engineer - Web Source (02.01.2013 – 22.08.2014)
- Web games testing
- Writing bug reports
- Create test cases and project documentation

Education
DNU, DNUR - Information Technology (2004-2008)
Lyceum At The University DNURT (1994-2004)

Languages
Ukrainian - Fluent | English – Upper-Intermediate

Hobbies
I like outdoor activities, anything that makes me move. Snowboarding,
wakeboarding, kiteboarding, off-road driving on SUVs. I love cars, and I repair or
modify my own cars myself