Principal Mobile Engineer, Billing

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

Minimum qualifications: • 7+ years of experience, including leading teams or projects • Solid understanding of data structures, APIs, and databases • Proficiency in one or more modern languages (TypeScript, Go, Python, or Java) • Strong communication in a remote, async environment • Experience with version control and CI/CD Nice to have: • Comfort communicating clearly and proactively in writing • Familiarity with modern collaboration tools (Slack, Notion, Linear)