QA Automation Engineer (contract)

Checksum.ai is a high-growth, startup revolutionizing software testing with AI-powered, self-healing QA automation. We are backed by start up studio super{set} whose co-founders have over $1B in exits including Microsoft and Salesforce. Our platform eliminates the need for manual test maintenance by automatically generating and adapting tests based on real user behavior. Engineering teams can now release faster without sacrificing quality—and our traction proves it: we’ve grown ARR 100% in the last six months. We’re looking for a proactive and impact-driven QA Automation Engineer to develop and execute automated test scripts, integrate AI models into workflows, and collaborate closely with developers and co-founders in a fast-paced startup environment. This is a high-impact opportunity offering hands-on collaboration, strong growth opportunities, and the chance to shape QA processes in an AI-driven DevOps company. This is a on-site position based in our San Francisco office 4 days a week. Candidates must already be in commutable distance to the San Francisco Office. Why Join Checksum? Explosive Growth – tripled ARR in the past 9 months, selling into a booming market. Cutting-Edge AI – Work on a leading engineering teams adopting AI/ML-driven DevOps solutions. High Impact – Work directly with our co-founders and engineers to shape the product Well-Funded & Backed by Experts – Supported by Super{Set}, a top-tier startup studio with multiple successful exits. What You’ll Do Write clear, concise, and well-structured automated test scripts that cover a wide range of scenarios and edge cases. Integrating AI models into your day to day work flow Execute automated tests regularly and analyze test results to identify and report defects. Collaborate with developers to reproduce and troubleshoot issues found during testing. Maintain and update test reports and metrics to track the effectiveness of test automation efforts. Contribute to the development and maintenance of QA processes and documentation. Work closely with Checksum Co-founder and other engineers to ensure the smooth integration of automated tests into the software development lifecycle. Who You are 1+ years of experience with Playwright, Cypress, or other web automation frameworks, or a strong background in frontend development. A proactive approach and a drive to make an impact. Experience with AI models and integrating them into your workflow. Excited to work in an early-stage, fast-paced environment where playbooks are still being built. Excited about the opportunity to collaborate with external customers and manage client relationships Ability to come into the SF Office 4-5 days a week What We Offer Catered lunch 3 days a week in our San Francisco office (hybrid flexibility available). A fast-moving, collaborative team that values execution over ego. A strategic role in shaping the growth trajectory of a cutting-edge AI startup. Hand on collaboration with our co-founders and leadership Join us in shaping the future of AI-powered software testing! If you’re a hard working and curious engineer who is ready to dive into the work of QA, work closely with founders, and help build a world-class product, we want to hear from you. Apply today! The estimated hourly rate range for this position is $25 to $40, which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs. We do not accept resumes from headhunters, placement agencies, or any 3rd parties. All submissions will be considered a gift and no fee will be due. Seniority level Seniority level Entry level Employment type Employment type Contract Job function Job function Quality Assurance, Engineering, and Customer Service Industries Technology, Information and Internet Referrals increase your chances of interviewing at Checksum.ai by 2x Get notified about new Quality Assurance Automation Engineer jobs in San Francisco, CA . 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