QA Associate

Company: Vast.ai
Location: Los Angeles
Posted on: February 23, 2026

Job Description:

Job Description Job Description About Vast.ai Vast.ai democratizes and decentralizes AI by running the world's largest peer-to-peer GPU marketplace. Our platform already powers thousands of training runs and production workloads at a fraction of hyperscaler prices. We're a fast-growing startup based in Los Angeles and San Francisco, on a mission to organize, optimize, and orient the world's computation. About the Role We are seeking a highly skilled QA Associate to do manual and automated testing of web apps and backend services in Vast's Linux-first environment. This role is critical to ensure that our complex, always-on, high-traffic systems are reliable and performant. The ideal candidate is both highly technical and sensitive to the detailed needs of our users. This role is onsite 5 days a week in our Westwood, Los Angeles office. What You'll Do Execute manual and exploratory testing for web apps backend services Maintain existing manual test plans and write new plans for features being developed Design high-signal test cases and automation Test and validate software to ensure that it satisfies requirements and is defect free Analyze the root cause for testing failures and open appropriate tickets with sufficient findings Collaborate with the Product and Development teams to define acceptance criteria and ship reliable releases Minimum Qualifications 3 years hands-on testing of web applications and APIs Strong knowledge of test methodologies and their corresponding tools Experience with writing test plans and test cases for assigned features Experience with test automation and lightweight scripting/coding Keen eye for detail Proficient with Linux Nice to Have Passionate about the future of AI API testing with Postman/Newman or similar Containers and orchestration basics (Docker; Kubernetes concepts) Experience with load testing tools Familiarity with GPUs and GPU drivers—very nice to have, but not required Benefits Work 5 days a week from the Vast.ai HQ in Westwood, Los Angeles in an ambitious, fast-paced, AI-centered startup environment Health, dental, vision and life insurance coverage Matching 401K Pay: $40.00 / hour

Keywords: Vast.ai, La Habra , QA Associate, IT / Software / Systems , Los Angeles, California