QA Engineer II

About Poshmark

Poshmark is a leading fashion resale marketplace powered by a vibrant, highly engaged community of buyers and sellers and real-time social experiences. Designed to make online selling fun, more social and easier than ever, Poshmark empowers its sellers to turn their closet into a thriving business and share their style with the world. Since its founding in 2011, Poshmark has grown its community to over 130 million users and generated over $10 billion in GMV, helping sellers realize billions in earnings, delighting buyers with deals and one-of-a-kind items, and building a more sustainable future for fashion.

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Poshmark is seeking a Software QA Engineer II to join our Quality Assurance team. This role is designed for a QA professional who can independently own testing efforts for medium to large-scale projects, drive quality through process excellence, and partner cross-functionally to deliver high-quality products at scale.

As a Level II Engineer, you will not only execute testing but also help shape QA strategy, methodologies, and test planning across complex systems with multiple subsystems and dependencies.

• Conduct comprehensive manual QA testing for new and existing features across:

  • iOS and Android mobile applications

  • Web applications

  • Cloud platform and backend services

• Execute end-to-end, functional, integration, and regression testing across multiple subsystems

• Independently run medium-sized to multi-medium-sized projects, owning QA execution from planning through release

• Develop and maintain large-scale test plans covering multiple subsystems or subcomponents

• Translate business requirements, product specs, and technical designs into detailed test strategies, scenarios, and test cases

• Identify testing gaps and risks early, proposing mitigation strategies

• Demonstrate strong understanding of test automation concepts

• Effectively leverage existing automation frameworks and tools to improve test coverage and efficiency

• Partner with automation engineers to identify high-value test cases suitable for automation

• Identify, document, and track defects using bug tracking tools (JIRA preferred)

• Perform root cause analysis on defects and assign issues to the appropriate development teams

• Follow defects through resolution and verify fixes across impacted systems

• Review and improve bug quality, ensuring clear reproduction steps and impact assessment

• Be process-driven, consistently following and improving QA workflows and best practices

• Contribute to refining QA methodologies, release processes, and testing standards

• Work closely with Engineering, Product, and other cross-functional partners to ensure quality is embedded throughout the development lifecycle

• Act as a quality advocate within project teams

• Independently own QA for medium-sized projects

• Develop and execute comprehensive test plans with minimal guidance

• Effectively use existing automation tools to support regression and feature testing

• Identify and resolve recurring quality issues through process improvements

• Lead QA efforts for multi-medium-sized projects with multiple dependencies

• Design and maintain complex test plans spanning multiple systems and teams

• Drive consistent, scalable QA processes across projects

• Mentor junior QA engineers on testing practices and process adherence

• 3+ years of software QA experience in mobile (iOS & Android), web, and/or backend systems

• Strong experience with manual testing and test case development

• Solid understanding of QA processes, methodologies, and SDLC

• Working knowledge of test automation frameworks and tools

• Experience using bug tracking tools (JIRA preferred)

• Excellent analytical, troubleshooting, and root cause analysis skills

• Strong written and verbal communication skills

• Proven ability to manage priorities and deliver under deadlines

• Self-driven and self-motivated, with strong ownership mindset

• Experience testing distributed systems or cloud-based platforms

• Experience collaborating with automation or SDET teams

• Exposure to CI/CD pipelines and automated testing workflows