As a Development Sr. Tester, you will work closely with scrum teams and product owners to ensure high-quality releases. You will become a Subject Matter Expert and the central contact person. Your responsibilities include contributing to test effort estimates, identifying solutions to optimize the QA process, collaborating with developers, designers, and stakeholders, participating in Scrum ceremonies, defining release criteria, performing various testing levels, communicating risks, and managing bug entry. You will also be the voice of quality, using KPIs to improve QA deliverables, and providing training assistance if needed. You'll be responsible for creating and maintaining test scripts and cases.