Senior QA Engineer — Remote (Mobile & Web)

Ryz Labs; Argentina; Remote; ARS 1,200,000 - 1,800,000; Part time

Job summary

RYZ Labs is seeking a Senior QA Engineer to join one of our client's teams. The role is remote from Argentina or Uruguay on a 6-month contract with potential extension. You will own quality across a React Native mobile app and a Next.js web experience, with backend Java/Spring Boot services behind a Node BFF.

Hands-on testing with real devices, logs, and APIs is required. You will use browser dev tools, Datadog, Postman, and automation to build robust regression coverage and drive quality across

Qualifications

• Experience designing and building automated test suites from scratch.
• Proficient in debugging React Native apps on real devices and simulators.
• Able to write clear bug reports with repro steps, logs, and screenshots.

Responsibilities

• Execute manual and exploratory tests for web and mobile releases against acceptance criteria and designs.
• Use browser dev tools and logs to diagnose and narrow issues.
• Test REST APIs and verify auth/authorization, edge cases, and error handling.
• Build and maintain regression suites and release checklists.

Skills

Browser dev tools

RN debugging

Test automation ownership

API testing

SQL

Observability tooling

Strong communication

CI/CD integration

AI-assisted workflows

Tools

Playwright

Maestro

Postman

Job description

RYZ Labs is seeking a Senior QA Engineer to join one of our client's teams. The role is remote from Argentina or Uruguay on a 6-month contract with potential extension. You will own quality across a React Native mobile app and a Next.js web experience, with backend Java/Spring Boot services behind a Node BFF.

Hands-on testing with real devices, logs, and APIs is required. You will use browser dev tools, Datadog, Postman, and automation to build robust regression coverage and drive quality across