Principal Software Engineer, Checkout

Mailchimp is hiring a Principal Software Engineer, Checkout to join our fully remote team in the United States. As a Principal Software Engineer, Checkout, 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 • Review pull requests and mentor teammates • Collaborate with product and design on new initiatives • Write clean, well-tested, and documented code • Develop, test, and maintain features across the stack What we offer: • Home office and wellness stipends • Flexible working hours across US time zones • 100% remote, work-from-anywhere-in-the-US culture • Annual learning and professional development budget • 401(k) retirement plan with company match How we work We're remote-first and async-friendly. Expect clear documentation, regular feedback, supportive teammates, and real opportunities to grow your career. Mailchimp 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) • Strong communication in a remote, async environment • Experience with version control and CI/CD • US work authorization Nice to have: • Comfort communicating clearly and proactively in writing • Experience in a fast-paced, high-growth environment