The Opportunity Since 2005, MDCalc has been an essential part of clinicians’ practice. Often introduced during medical school or residency, MDCalc has become one of the most trusted and used clinical decision support platforms; used by more than 65% of physicians worldwide. Trust, authority, and accuracy fuel a portfolio of over 800 tools, scores, calculators, and assessments that clinicians of over 50 specialties rely on to help them achieve better outcomes for over 200 patient conditions. This wide use and integration within the clinical workflow has established MDCalc as a preeminent HCP platform and a fixed resource at the point of clinical decision-making. To continue to further accelerate and steward this growth, we are seeking a QA Engineer on our expanding tech team. This role will be critical to MDCalc’s expanded success in continuing to support our millions of clinical users worldwide in taking care of hundreds of millions of patients. The Role As a QA Engineer at MDCalc, you will play a key role in ensuring the quality and reliability of our web and mobile applications. You’ll be part of a collaborative, fast-moving team that takes pride in delivering software that clinicians trust to care for millions of patients worldwide. Perform black-box testing of MDCalc’s web and mobile applications Create, maintain, and execute test plans and test cases to ensure software quality meets MDCalc standards Collaborate cross-functionally with engineers, product managers, and other QA team members Participate in team discussions, offering feedback on testability, risks, and product design Help develop QA strategies to expand future testing capacity and coverage Your Background We’re looking for someone who is passionate about quality, enjoys solving problems, and thrives in a collaborative environment: 5+ years of experience in front-end web browser testing/debugging and technical problem-solving Strong understanding of software QA principles, test case creation/documentation, and best practices Proficiency with test automation tools (e.g. Playwright, Cypress, WebdriverIO, Puppeteer), with a focus on Playwright preferred Strong SQL skills for data validation, test data creation, and verifying data integrity across systems Eagerness to learn quickly and a positive, solutions-oriented attitude Clear and concise communicator, able to surface issues, blockers, and risks effectively Self-motivated, proactive, and able to manage time and priorities independently What MDCalc Offers Ability to make a true difference in medicine: MDCalc is the most broadly used medical reference by physicians, used by over 65% of US attending doctors weekly Medical, Dental, & Vision Coverage, with option to extend to your dependents Company-sponsored short-term insurance Fully-paid 8 week parental leave, after 6 months of employment Company-sponsored 401k, after 3 months of employment Unlimited vacation for salaried roles - we trust you to take the time you need Tri-annual company offsites to connect, reflect, and plan together (most recently in Asheville and Mexico City) Work from home monthly stipend A culture of fun and motivated team members who believe in a greater mission here at MDCalc