Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Senior Quality Assurance Engineer with 7+ years of experience ensuring quality across complex, high-traffic digital platforms, including e-commerce, C2C marketplace, payment systems, social discovery products, and SaaS/CRM systems. Strong focus on end-to-end quality assurance for web and mobile applications, including test strategy and release management. Proven ability to lead QA initiatives across multiple teams, improve testing processes, reduce production defects, and support reliable, high-quality software delivery in agile environments.…Senior Quality Assurance Engineer with 7+ years of experience ensuring quality across complex, high-traffic digital platforms, including e-commerce, C2C marketplace, payment systems, social discovery products, and SaaS/CRM systems. Strong focus on end-to-end quality assurance for web and mobile applications, including test strategy and release management. Proven ability to lead QA initiatives across multiple teams, improve testing processes, reduce production defects, and support reliable, high-quality software delivery in agile environments.

Polina Syrulnyk

QA Engineer, Full Stack Developer, Back-End Developer, +2





Senior Quality Assurance Engineer with 7+ years of experience ensuring quality across complex, high-traffic digital platforms, including e-commerce, C2C marketplace, payment systems, social discovery products, and SaaS/CRM systems. Strong focus on end-to-end quality assurance for web and mobile applications, including test strategy and release management. Proven ability to lead QA initiatives across multiple teams, improve testing processes, reduce production defects, and support reliable, high-quality software delivery in agile environments.…Senior Quality Assurance Engineer with 7+ years of experience ensuring quality across complex, high-traffic digital platforms, including e-commerce, C2C marketplace, payment systems, social discovery products, and SaaS/CRM systems. Strong focus on end-to-end quality assurance for web and mobile applications, including test strategy and release management. Proven ability to lead QA initiatives across multiple teams, improve testing processes, reduce production defects, and support reliable, high-quality software delivery in agile environments.

Available to hire

Senior Quality Assurance Engineer with 7+ years of experience ensuring quality across complex, high-traffic digital
platforms, including e-commerce, C2C marketplace, payment systems, social discovery products, and SaaS/CRM
systems. Strong focus on end-to-end quality assurance for web and mobile applications, including test strategy
and release management. Proven ability to lead QA initiatives across multiple teams, improve testing processes,
reduce production defects, and support reliable, high-quality software delivery in agile environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Ukrainian

Fluent

Work Experience

Senior QA Engineer at LaLafo AI-powered C2C marketplace

September 1, 2022 - Present

Lead end-to-end quality for multiple product streams including Monetization, Sales of Goods, internal SaaS products and CRM, across web and mobile apps. Defined test strategies, improved test coverage and regression efficiency, implemented environment and issue-monitoring processes, and drove exploratory testing to identify critical edge cases and defects early. Created QA documentation and release readiness procedures, aligned with production requirements, and partnered with cross-functional teams to ensure quality is embedded in the development lifecycle. Supported CI/CD readiness, risk-based testing, and ongoing process improvements.