Senior Mobile Engineer, Checkout

Slack is hiring a Senior Mobile Engineer, Checkout to join our fully remote team in the United States. As a Senior Mobile Engineer, Checkout, 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 — Anywhere in the US). 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: • Write clean, well-tested, and documented code • Review pull requests and mentor teammates • Develop, test, and maintain features across the stack • Collaborate with product and design on new initiatives • Improve performance, reliability, and developer experience What we offer: • Generous paid time off and company holidays • Paid parental leave • Annual learning and professional development budget • Comprehensive medical, dental, and vision coverage • 100% remote, work-from-anywhere-in-the-US culture How we work We're remote-first and async-friendly. Expect clear documentation, regular feedback, supportive teammates, and real opportunities to grow your career. Slack 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 • US work authorization • 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 Nice to have: • Comfort communicating clearly and proactively in writing • Experience in a fast-paced, high-growth environment