Senior Software Engineer, CX

Join the Future of Commerce with Whatnot! Whatnot is the largest live shopping platform in North America and Europe to buy, sell, and discover the things you love. Whether it's trading cards, fashion, electronics, or live plants, our sellers are building real businesses across hundreds of categories. We're building live commerce at a scale that's never been done in the West, and there's no playbook to copy. The people here are shaping how an entirely new industry develops. We’re looking for a Senior Backend Engineer to join the Customer Experience team and help us build a world-class Customer Support platform. With Whatnot’s rapid growth comes a high volume of complex support needs—spanning technical, purchasing, and logistics issues for both buyers and sellers. Our team is responsible for resolving them quickly, reliably, and with high customer satisfaction. As a member of the team, you’ll build new user-facing experiences, scale internal infrastructure, and design intelligent AI-powered automations to help us solve thousands of customer issues per hour. You’ll lead solutions end to end. You’ll translate ambiguous business problems into clear technical solutions and drive delivery and experimentation. Your role will involve creative problem-solving to balance development speed, product impact, and technical excellence.

Responsibilities

Build a world-class Customer Support platform; Resolve complex support needs spanning technical, purchasing, and logistics issues for both buyers and sellers; Build new user-facing experiences; Scale internal infrastructure; Design intelligent AI-powered automations to solve thousands of customer issues per hour; Lead solutions end to end; Translate ambiguous business problems into clear technical solutions; Drive delivery and experimentation; Balance development speed, product impact, and technical excellence

Requirements

5+ years of full-time software engineering experience in high growth startups; Bachelor’s degree in Computer Science, a related field, or equivalent work experience; Proven track record of building end-to-end product experiences and scaling high-scale backend systems; Own projects holistically from inception to production and beyond; Excel at translating user needs to effective technical solutions; Thrive in ambiguity and tackle challenging problems with creativity and autonomy; Proactively improve the team environment and foster inclusive, supportive team culture; Be within commuting distance of our San Francisco, Seattle, Los Angeles, or New York hubs

Nice to have

Experience with Python, Elixir, and/or Postgres is a plus

Benefits

Flexible Time off Policy and Company-wide Holidays (including a spring and winter break); Health Insurance options including Medical, Dental, Vision; Work From Home Support; Home office setup allowance; Monthly allowance for cell phone and internet; Care benefits; Monthly allowance for wellness; Annual allowance towards Childcare; Lifetime benefit for family planning, such as adoption or fertility expenses; Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally; Monthly allowance to dogfood the app; 16 weeks of paid parental leave + one month gradual return to work; Equity