Senior Mobile Engineer, Infrastructure

Microsoft is hiring a Senior Mobile Engineer, Infrastructure to join our fully remote team in the United States. As a Senior Mobile Engineer, Infrastructure, you'll design, build, and ship reliable software that scales to millions of users. This is a contract, work-from-home role open to candidates across the US (Remote — USA). About the role You'll design, build, and ship reliable software that scales to millions of users, partnering with a friendly, distributed team across US time zones. We care about outcomes over hours and give you the autonomy, tools, and support to do your best work from home. What you'll do: • Improve performance, reliability, and developer experience • Write clean, well-tested, and documented code • Collaborate with product and design on new initiatives • Review pull requests and mentor teammates • Develop, test, and maintain features across the stack What we offer: • 100% remote, work-from-anywhere-in-the-US culture • Flexible working hours across US time zones • Generous paid time off and company holidays • Annual learning and professional development budget • Comprehensive medical, dental, and vision coverage How we work We're remote-first and async-friendly. Expect clear documentation, regular feedback, supportive teammates, and real opportunities to grow your career. Microsoft is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone.

Minimum qualifications: • 5+ years of relevant experience • Experience with version control and CI/CD • US work authorization • Solid understanding of data structures, APIs, and databases • Strong communication in a remote, async environment Nice to have: • Experience working in a fully remote or distributed team • Comfort communicating clearly and proactively in writing