Customer Success Engineer, Enterprise Engineering

Enterprise Engineering supports the needs of our largest and most complex sellers. As sellers grow their businesses on Whatnot, their needs evolve—and this team builds the systems and tooling to support them at scale, including integrations with e-commerce platforms, WMS, ERPs, and accounting software. At its core, the team enables enterprise sellers to seamlessly onboard, operate, and scale on our platform. This Customer Success Engineer will operate at the intersection of engineering, product, and customer partnership—working directly with enterprise sellers and their technical teams to design, implement, and support custom integrations on top of Whatnot’s APIs and infrastructure. The role is highly technical and highly collaborative, combining hands-on integration work with customer-facing problem solving and product thinking. You’ll help enterprise partners navigate complex workflows across inventory, logistics, order management, and operational systems while partnering closely with internal engineering, product, and account teams. This is a unique opportunity for someone who enjoys both building and partnering: solving real customer problems while helping shape how enterprise support evolves at one of the fastest-growing live commerce platforms in the world.

Responsibilities

Partnering directly with enterprise sellers and their engineering teams to architect and implement bespoke integrations leveraging Whatnot’s APIs and platform capabilities; Acting as the technical bridge between customers and internal teams—translating seller needs into scalable solutions while collaborating closely with engineering, product, and account management stakeholders; Building durable tooling, workflows, and support infrastructure that help scale enterprise onboarding, integration support, and long-term customer success, including ~20–30% hands-on coding focused on developing scalable integration solutions and internal operational tooling; Solving complex post-sale technical challenges while helping define how Whatnot supports enterprise commerce moving forward

Requirements

5+ years of CSE-related experience in high growth startups; Bachelor’s Degree in Computer Science or related field or equivalent work experience; Experience building bespoke solutions on top of an existing internal framework; Excellent product instincts; Ability to work with customers directly, both satiating customer expectations as well and ensuring internal company strategic standards and goals are met; Strong written and oral communication skills; Strong presentation skills and ability to articulate customer needs to engineering product teams; Ability to take ownership of an ambiguous area and define and then drive impact; Ability to flexibly work across multiple workstreams, thriving in a fast-paced environment; Ability to understand complex customer success workflows and envision and build tooling to better support our bespoke system

Nice to have

Experience in Shopify; Channel Advisor; Magento; other ecommerce SaaS products

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; Parental Leave; 16 weeks of paid parental leave + one month gradual return to work