QA Engineer lll

Job Title : Senior QA Engineer lll Location : Remote Duration - Cont Type : Contract to hire Hourly rate on w2 : $50-60 We are seeking a Senior QA Engineer with strong experience testing full stack and SaaS applications, as well as mentoring QA teams. This role will be responsible for designing and executing comprehensive end-to-end testing strategies, establishing QA processes, mentoring team members, and ensuring the quality of complex distributed systems that process high volumes of information daily. Responsibilities Design, implement, and maintain test plans for full stack applications (UI, API, backend, and integrations). Develop and execute manual and automated tests to ensure quality at every layer of the stack. Lead end-to-end testing efforts, covering authentication, workflows, APIs, data consistency, and third-party integrations. Partner with Engineering, Product, and DevOps teams to improve software delivery and deployment pipelines. Build and mentor a high-performing QA team, including hiring, training, and setting testing standards. Define and track quality metrics that can be used to measure the overall effectiveness of the employed test strategy. Advocate for testability, quality practices, and continuous improvement across the organization. Own the strategy for regression testing, load / performance testing, and release validation. Champion best practices for SaaS application testing, including multi-tenant, role-based access, data integrity, and upgrade paths. Requirements 7+ years of QA engineering experience, including direct work with full stack and SaaS platforms. Strong understanding of web technologies (HTTP / S, REST APIs, frontend frameworks, databases, microservices). Hands-on experience writing automated tests (e.g., Selenium, Cypress, Playwright, Postman / Newman, pytest, etc.). Familiarity with CI / CD pipelines and integrating tests into automated builds. Prior experience building or scaling a QA team is highly desirable. Solid grasp of software engineering principles - not just "click testing" - and experience thinking through system behaviors. Experience testing cloud-native applications (AWS, Azure, or GCP) is a plus. Strong communication skills, with the ability to advocate for quality across technical and non-technical teams. As a Level III QA Engineer, you will be expected to be able to both take direction from management and senior developers, as well as anticipate necessary efforts and be self-directed when appropriate. You will also be called upon to assist in interviewing potential test talent, and lead and mentor testers junior to yourself in best practices. Preferred Qualifications Experience working in Agile / Scrum environments. Exposure to security testing and data privacy considerations (especially for HIPAA, GDPR, or similar frameworks). Familiarity with performance testing tools (e.g., JMeter, k6).