Senior Full-Stack Engineer, Platform

Mailchimp is hiring a Senior Full-Stack Engineer, Platform to join our fully remote team in the United States. As a Senior Full-Stack Engineer, Platform, 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 — US (EST)). 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 • Collaborate with product and design on new initiatives • Review pull requests and mentor teammates • Write clean, well-tested, and documented code What we offer: • Home office and wellness stipends • Competitive salary and meaningful equity • 100% remote, work-from-anywhere-in-the-US culture • Generous paid time off and company holidays • 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: • 5+ years of relevant experience • Proficiency in one or more modern languages (TypeScript, Go, Python, or Java) • Experience with version control and CI/CD • US work authorization • Solid understanding of data structures, APIs, and databases Nice to have: • A track record of taking ownership and shipping independently • Experience in a fast-paced, high-growth environment