Software Engineer Merchant Tooling

Whatnot is the largest livestream 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.

As a remote co-located team we're inspired by our values and anchored in hubs across the US UK Ireland Poland Germany and Australia. We move fast stay close to our users and focus on the work that drives the most impact.

We're one of the fastest growing marketplaces and were recently named the #1 Best Startup Employer in America by Forbes. Check out the latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to turn their passion into a business and bring people together through commerce.

The Inventory team supports sellers with managing their merchandise on Whatnot and representing it as accurately as possible so they can reach more buyers. They strive to do this in the fewest steps possible so sellers can get back to what they do best: selling and engaging with their community. Merchant Tooling a subteam of Inventory supports the needs of our largest and most complicated sellers. Whatnot is committed to helping our sellers turn their passion into a business and as they grow their business with us their needs evolve. We build the systems to be able to support external and internal tooling for sellers with needs at scale such as integrations to other e-commerce platforms WMS ERPs and accounting software.
As part of the Merchant Tooling team you will design and build large-scale highly reliable systems that support our largest and most complex customers. Your work will focus on:

• Delivering seamless bi-directional data synchronization across marketplace ecommerce ERP and other enterprise systems ensuring accuracy consistency and low-latency data flow.

• Partnering closely with cross-functional stakeholders—including Product Inventory Operations and external partners—to understand business needs translate them into technical requirements and drive aligned outcomes.

• Architecting and evolving enterprise-grade systems that remain intuitive for developers easy to iterate on and capable of supporting rapid product growth.

• Contributing to and accelerating the broader Inventory team roadmap providing technical insight proactive problem-solving and hands-on implementation support.

At its core this team is responsible for building solutions that power how larger enterprise-level sellers interface with our platform. Your contributions will directly shape the foundation that enables these sellers to onboard operate and scale successfully.
We offer flexibility to work from home or from one of our global office hubs and we value in-person time for planning problem-solving and connection. Team members in this role must live within commuting distance of our Los Angeles New York San Francisco or Seattle hub.

People who do well at Whatnot tend to be comfortable figuring things out as they go biased toward action and genuinely curious about what they're building. They care more about outcomes than credit and stay close to the product and the people using it.

As our next Software Engineer on Merchant Tooling you should have 5+ years of generalist software development experience in high growth startups plus:

• Bachelor’s Degree in Computer Science or related field or equivalent work experience.

• Experience building scalable systems (we primarily use Python Elixir JavaScript).

• Ability to work across the stack (backend and frontend).

• Excellent product instincts. You first think about users rather than the best technical solution.

• Proven track record of delivering features. You are known for shipping products and features lightning-fast.

• 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.

• Scalability and data pipeline experience with SQL dbt etc.

• Experience in Shopify Channel Advisor Magento and other ecommerce SAAS products a plus

• Experience in domain driven design a plus

• Generous Holiday and Time off Policy

• 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

  • All Whatnauts are expected to develop a deep understanding of our product. We're passionate about building the best user experience and all employees are expected to use Whatnot as both a buyer and a seller as part of their job (our dogfooding budget makes this fun and easy!).

• Parental Leave

  • 16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.

Whatnot is proud to be an Equal Opportunity Employer. We value diversity and we do not discriminate on the basis of race religion color national origin gender sexual orientation age marital status veteran status parental status disability status or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage support and respect the different skills and experiences represented within our workforce.

What We Do

We bring people together around the things they love and turn their passions into their livelihood.

Why Work With Us

Passion is the centerpiece of our culture. We’ve got passionate buyers sellers and employees. We want you to bring your passions to Whatnot.

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