Senior QA Engineer / Tester

Senior QA Engineer / Tester Negotiable Bulgaria Plovdiv Full Remote Work experience 5 years 2 months Last work experience Mornhouse General QA Engineer 2 years Contacts About About Results-driven Senior QA Engineer with over 5 years of hands-on experience driving quality assurance across GameDev, AI, FinTech, and comprehensive Web/Mobile ecosystems. Proven expertise in designing scalable test automation frameworks from the ground up, establishing CI/CD pipelines, and promoting a Shift-Left QA culture. Demonstrated leadership in mentoring engineering teams, orchestrating complex release cycles across 150+ modules, and consistently reducing regression testing timelines by up to 60%. I excel at bridging the gap between business requirements and technical execution to ensure seamless, high-performance product launches. Affiliate experience No data available Work experience 5 years 2 months December 2024 - to date ( 2 years ) Mornhouse General QA Engineer Directed the end-to-end QA lifecycle for critical Web & Mobile projects spanning AI, SaaS, FinTech, Healthcare, and EdTech sectors. Architected and sustained robust test automation frameworks from scratch using Appium and Python, integrating them into CI/CD pipelines to ensure continuous delivery. Mentored and successfully onboarded 4 Junior/Middle QA engineers, conducting regular technical training, code reviews, and delegating complex automation tasks. Spearheaded Shift-Left testing efforts for flagship company projects, collaborating closely with developers and BAs during the requirement gathering phase. Validated complex backend microservices via API testing (Postman) and verified critical data accuracy using Firebase and Google Console. Key Achievements: Slashed regression testing time by 60% and achieved 90% automation coverage of critical functionality. Orchestrated the flawless deployment of Ficus and Tokime, driving UX improvements that contributed to a 10% sustained user growth. October 2022 - November 2024 ( 2 years 2 months ) Perfectum CRM+ERP General QA Engineer Led the transition from purely manual to a hybrid testing approach by implementing comprehensive UI automation using Selenium, significantly increasing test coverage across 100+ unique product configurations. Engineered automated API test suites using Postman and JS to validate robust data exchange between microservices. Conducted rigorous integration testing for dozens of 3rd-party services: delivery (Nova Poshta), external billing systems (WayForPay, LiqPay, Portmone), and marketplace storefronts (Rozetka, Prom.ua). Performed targeted security testing focusing on common web vulnerabilities (SQL injection, authentication bypass, data leakage). Proposed architectural improvements and maintained high-quality bug tracking with clear reproduction paths and business risk assessments. October 2021 - October 2022 ( 1 year 1 month ) Moveon Manual QA Engineer Established foundational functional and non-functional QA processes for a dedicated sports and fitness native mobile application. Validated core real-time features including workout tracking, live gym schedules, and dynamic user progress metrics under variable network conditions. Performed deep usability and exploratory testing, simulating real-world gym environments to provide actionable feedback that enhanced the athlete user experience. Collaborated with cross-functional team members to stabilize app performance and improve early-stage development workflows. Skills JavaScript/TypeScript PostgreSQL Playwright Appium GitLab CI GitHub Actions Firebase Google Play Console Adapty Shift-Left Testing Test Strategy & Architecture API/UI Automation SQL Git Python Postman Linux Selenium MySQL AppsFlyer Language proficiency Advanced English Native Ukrainian Employment Employment Full, Part-time, Project-based Work format Remote, Hybrid Work schedule Flexible, Shift, 5/2 Relocation Not possible Business trips Business trips possible