Principal Security Engineer, Identity

Slack is hiring a Principal Security Engineer, Identity to join our fully remote team in the United States. As a Principal Security Engineer, Identity, you'll design, build, and ship reliable software that scales to millions of users. This is a part-time, 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: • Collaborate with product and design on new initiatives • Develop, test, and maintain features across the stack • Write clean, well-tested, and documented code • Improve performance, reliability, and developer experience • Review pull requests and mentor teammates What we offer: • 401(k) retirement plan with company match • Comprehensive medical, dental, and vision coverage • Annual learning and professional development budget • Home office and wellness stipends • 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: • 7+ years of experience, including leading teams or projects • Proficiency in one or more modern languages (TypeScript, Go, Python, or Java) • 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