Contract: Senior Fullstack Quality Engineer

Newsela

mar del plata, mar del plata, Argentina
Full-time
Posted June 02, 2026

Job Description

Overview

As a Senior Full-Stack Quality Engineer, you will be a critical force in ensuring that mission is delivered through reliable, high-quality software. You will work alongside talented product engineers to test complex front-end applications powered by cloud-based back-end services, internal LLMs, and third-party AI tools. The ideal candidate will have strong experience in test automation, API validation, manual testing, and performance testing, with a proactive mindset and excellent organizational skills. This role requires someone who can deeply understand business and technical requirements and translate them into effective test strategies.

What You'll Be Doing
  • You will own quality end-to-end: from story acceptance criteria all the way to production health monitoring.
  • You will perform manual testing for exploratory, regression, and end-to-end scenarios when needed.
  • You will review and analyze business and technical requirements to...