Software Engineering Applications Mail & Calendar Infrastructure, Enterprise Technology Services

Role Number: 200652929Team: Software and ServicesLocation: AustinWeekly Hours: 40Posted: 2026-04-01SummaryImagine contributing to critical infrastructure projects that power communication and scheduling for every Apple employee. As a Quality Engineer on the Mail & Calendar Services team, you’ll ensure the reliability and correctness of two interconnected systems: Apple Corporate Mail and Corporate Calendar Server implementations. This role offers the opportunity to apply deep testing expertise across email and calendar server standards and use cases, as well as testing of custom features by building sophisticated automation frameworks that set high standards for validation of data integrity and correct behavior. You’ll work at the intersection of quality engineering, standards compliance, and distributed system testing, contributing work that directly enables Apple’s internal collaboration platforms to scale and evolve. Join us in doing work that matters.DescriptionAs a Quality Engineer supporting Mail & Calendar Services, you will ensure the reliability and correctness of two critical infrastructure systems: Apple Corporate Mail and Corporate Calendar Server implementations. You’ll design validation strategies, build sophisticated testing tools, and provide the final sign-off that gives confidence to deploy changes affecting thousands of corporate users.Minimum QualificationsBachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience5+ years of experience in quality engineering, test automation, or software testing rolesDemonstrated deep expertise in email systems (IMAP, SMTP, mail migration) OR calendar systems (CalDAV, iCalendar, scheduling infrastructure), with strong analytical skills to learn the complementary domainProficiency in Python OR Java with experience building test automation frameworks and working with APIsExperience establishing data integrity verification procedures including message counts, content checksums, metadata preservation, and structural validationDemonstrated ability to write and maintain automated test plans suitable for CI/CD integration across server development and deployment workflowsPreferred QualificationsExperience in BOTH email and calendar domains (ideal but not required—we value depth in one with ability to learn the other)Background in enterprise email administration, IMAP/SMTP server operations, or CalDAV server implementationsProficiency in both Python and Java testing ecosystems (TestNG, Gauge, BDD frameworks)Experience with large-scale data migration projects (>10,000 users or >1TB data) or high-availability calendar servicesDeep knowledge of RFC specifications: RFC 5545 (iCalendar), RFC 4791 (CalDAV), RFC 5322 (email format), RFC 3501 (IMAP)Experience with complex temporal logic (recurrence rules, timezone handling, DST transitions) or complex state machines (attendee workflows, event lifecycles)Familiarity with Apple ecosystem technologies (iCloud, Mail.app, Calendar.app, iOS/macOS frameworks)Experience testing distributed systems, service-oriented architectures, or protocol-level implementationsTrack record of building reusable test tools and frameworks adopted by other teamsContributions to open-source testing, email-related, or calendar-related projectsExperience with ical4j library or similar iCalendar manipulation frameworksEEO StatementApple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicantAccessibilityAt Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.Learn about accessibility in Apple’s workplaceLearn about reasonable accommodations for job applicantsApplication DeadlineApple accepts applications to this posting on an ongoing basis.