Senior Fullstack Quality Engineer

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.                                      &nbs