Zendesk QA (formerly Klaus) is seeking experienced back-end developers to create innovative customer service quality assurance solutions, focusing on AI-driven tools to enhance customer interactions. The role offers high autonomy in implementation, collaboration with a team, and responsibilities include building APIs, optimizing application performance, and ensuring security. Candidates must have at least five years of back-end development experience, proficiency in programming languages like Go, Python, or Java, and familiarity with cloud technologies such as Kubernetes and AWS. The position supports a hybrid work model, combining in-office and remote flexibility, and emphasizes an inclusive workplace culture. Zendesk is committed to diversity and equal opportunity in hiring while providing accommodations for applicants with disabilities.