Strong Junior QA Manual Engineer

Stack

Responsibilities

• ▹Review requirements and independently define what correct output looks like when none is explicitly stated
• ▹Design test plans, scenarios, and checklists for AI-powered features where expected results are probabilistic
• ▹Perform manual functional, regression, and exploratory testing across web and mobile
• ▹Test AI outputs for hallucinations, incomplete retrieval, confidently wrong answers, and failure to apply business rules
• ▹Inspect API requests and responses via DevTools or Postman to verify what data the system actually used
• ▹Document and report bugs with enough context for developers to reproduce and diagnose them
• ▹Collaborate closely with developers, product managers, and AI engineers
• ▹Present findings clearly to technical and non-technical stakeholders

Requirements

• ▹1.5+ years in QA or software engineering
• ▹Strong understanding of QA process, methodology, and terminology

Soft skills

About the company

NineTwoThree AI Studio is a remote-first product design, engineering, and marketing studio founded in 2012 and based in Boston, building AI-powered web and mobile apps for big brands and fast-moving startups, from Fortune 500 companies to MIT research labs. The team has grown 20% every year for the last 5 years.