Contract: Senior Fullstack Quality Engineer

Remote - Argentina; Brazil; Chile; Colombia; Costa Rica; Mexico

Why You'll Love This Role: 

As a Senior Full-Stack QualityEngineer, 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 define appropriate test coverage Collaborate closely with developers, product managers, and other stakeholders to ensure quality across the SDLC.     
  • You will build API and service-layer test automation from scratch; test APIs both manually (via tools like Postman) and through automated scripts.  
  • You will test internally built LLMs and AI-driven features for accuracy, consistency, and edge case behavior.
  • Evaluate third-party AI tools and services integrated into the Newsela platform.                                                    

About You:

  • 7+ years of software testing and quality assurance experience in a professional engineering environment.
  • 4+ years building automated test frameworks and scripts using TypeScript, JavaScript, or Python.                                    
  • 4 + years of hands-on experience with WebdriverIO and/or Playwright.                             
  • 4+ years working in an Agile Scrum team.                                                                                            
  • Demonstrated experience across the full spectrum of testing types: manual, exploratory, regression, integration, API/services, and  database testing.                                                                                                                     
  • Experience testing both web applications and mobile apps.                                                                           
  • Hands-on experience with AI coding assistants (e.g., Claude Code, GitHub Copilot) as part of your daily workflow. 
  • Strong written and verbal communication skills — you can explain a bug to a developer and a risk to a product manager equally well.
  • Prior experience in EdTech or consumer-facing SaaS products.     

Please note that given the nature of the contract, this role will not be eligible to participate in company-sponsored benefits

About Newsela:

Newsela is a leading education technology company dedicated to meaningful classroom learning for every student. We deliver integrated, AI-powered solutions designed to unlock student engagement, empower teachers, and drive meaningful learning outcomes. Our suite of products supports knowledge and skill development, writing practice, daily instruction, assessment, and data-informed decision-making across K–12 classrooms. Grounded in learning science research, Newsela’s solutions integrate content, assessment, and analytics to help educators track progress, understand student outcomes, and deliver high-impact instruction that supports every learner.

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