Remote AI QA Engineer (Manual Testing)

NineTwoThree AI Studio; España; On-site; PHP 3,762,000 - 6,270,000; Full time

Benefits offered by this job

Annual paid vacation

Paid sick leave

Health Insurance allowance

Maternity/paternity leave

Accounting assistance

Hardware provided

Professional development reimbursement

Strong engineering culture

Job summary

NineTwoThree AI Studio is a remote-first product design, engineering, and marketing studio founded in 2012 and based in Boston. We build AI-powered web and mobile apps for Fortune 500 brands and fast-moving startups.

This QA role focuses on evaluating probabilistic AI outputs, designing test plans, performing manual and exploratory testing across web and mobile, inspecting API traffic with DevTools or Postman, and communicating findings clearly to technical and non-technical stakeholders.

Qualifications

• 1.5+ years in QA or software engineering.
• Strong understanding of QA process, methodology, and terminology (test plan, test cases, SDLC, regression).
• Experience with manual testing of web and mobile applications.
• Comfort working with REST API and browser DevTools to inspect what’s actually happening under the hood.
• Upper-Intermediate English (you’ll communicate with international clients daily).
• You ask 'why is this the right answer?' before accepting what the screen shows you.

Responsibilities

• 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.

Skills

QA processes

REST API

Manual testing

Web & mobile testing

English communication

Tools

DevTools

Postman

Job description

NineTwoThree AI Studio is a remote-first product design, engineering, and marketing studio founded in 2012 and based in Boston. We build AI-powered web and mobile apps for Fortune 500 brands and fast-moving startups.

This QA role focuses on evaluating probabilistic AI outputs, designing test plans, performing manual and exploratory testing across web and mobile, inspecting API traffic with DevTools or Postman, and communicating findings clearly to technical and non-technical stakeholders.