Senior Full-Stack QA Engineer: AI & LLM Testing

Newsela; Argentina; Presencial; ARS 133.982.000 - 193.530.000; Jornada completa

Descripción de la vacante

Newsela is seeking a Senior Full-Stack Quality Engineer to own quality end-to-end for our cloud-based, AI-powered learning platform. You will test complex front-end applications and back-end services, including internal LLMs and third-party AI tools, in a hands-on role across UI, API, and service layers.

You will lead test planning, build scalable frameworks with modern tooling, and mentor mid-level engineers while partnering with Product, Design, and Engineering to articulate clear acceptance

Formación

• 5+ years of professional software testing and QA in an Agile Scrum environment.
• Automation-focused with hands-on experience in TypeScript, JavaScript, or Python.

Responsabilidades

• End-to-End Automation & Frameworks: Build, maintain, and run automated test frameworks and regression suites across UI, API, and service layers using modern AI-assisted practices.
• ,
• AI & LLM Validation: Test and validate internally built LLMs and external AI tools and services, applying strong quality engineering standards to non-deterministic systems.
• Scrum & Delivery Ownership: Own test planning, execution, and release support from story validation to production deployment with minimal oversight.
• Cross-functional Collaboration: Work with Engineering, Product Management, and Product Design early to refine requirements into clear acceptance criteria.
• Quality Advocacy & Mentorship: Serve as the team’s quality advocate, conduct code reviews, and pair with mid-level QE engineers.
• Defect Management & Observability: Establish defect tracking, triage, and communication practices using AI tooling for detection and resolution.

Conocimientos

Automation frameworks

Full-stack testing

CI/CD & DevOps

AI tooling integration

Proactive communication

Scrum / Agile

Herramientas

Playwright

WebdriverIO

Selenium

Jest

Vitest

Mocha

GitHub Actions

AWS

Datadog

Sentry

New Relic

TestRail

Jira

Xray

Zephyr

Descripción del empleo

Newsela is seeking a Senior Full-Stack Quality Engineer to own quality end-to-end for our cloud-based, AI-powered learning platform. You will test complex front-end applications and back-end services, including internal LLMs and third-party AI tools, in a hands-on role across UI, API, and service layers.

You will lead test planning, build scalable frameworks with modern tooling, and mentor mid-level engineers while partnering with Product, Design, and Engineering to articulate clear acceptance