Fullstack Engineer, Seller Merchandising

Whatnot; Seattle, Los Angeles, New York, San Francisco (WA, CA, NY, CA); Remote; USD 185,000 - 205,000; Full time

Job summary

Join a forward-thinking company as a Fullstack Engineer, where you'll be at the forefront of redefining e-commerce. This role offers the chance to innovate within a vibrant marketplace, focusing on enhancing user experiences through cutting-edge web technologies. Collaborate with a dynamic team to build tools that foster community engagement and seamless shopping. With competitive compensation and a supportive work environment, this is an exciting opportunity for those passionate about technology and commerce. Embrace the challenge and help shape the future of online marketplaces!

Benefits

Health Insurance options

Home office setup allowance

Monthly allowance for cellphone and internet

401(k) with employer match

16 weeks of paid parental leave

Qualifications

• 5+ years of software development experience in high-growth startups.
• Experience with React and GraphQL for API development.

Responsibilities

• Own full page web migrations to Next.js.
• Build live experiences to enhance purchasing on Whatnot.

Skills

Software Development

React

GraphQL

Next.js

Problem Solving

Mentoring

Education

Bachelor's Degree in Computer Science

Job description

Fullstack Engineer, Seller Merchandising

Join the Future of Commerce with Whatnot!

Whatnot is the largest livestream shopping platform in North America and Europe for buying, selling, and discovering the things you love. We're redefining e-commerce by blending community, shopping, and entertainment into a community just for you. As a remote co-located team, we're inspired by innovation and anchored in our values. With hubs in the US, UK, Ireland, Poland, and Germany, we're building the future of online marketplaces—together.

From fashion, beauty, and electronics to collectibles like trading cards, comic books, and even live plants, our live auctions have something for everyone.

And we're just getting started! As one of the fastest-growing marketplaces, we're looking for bold, forward-thinking problem solvers across all functional areas. 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.

Team and Role Overview

Seller Merchandising, nested within our Seller Engineering organization, aims to build the world's most connected marketplace for enthusiasts. The team focuses on essential components that enhance Whatnot’s customer experience, committed to creating a fun and engaging journey for buyers and sellers by providing tools for frictionless shopping, such as Checkout, Listing Page, Seller Shop, Buy It Now, and Flash Sales. Looking ahead, the team is poised to innovate and expand, ensuring an ever-evolving and dynamic marketplace for all users.

Responsibilities

• Own full page web migrations to Next.js
• Improve reliability on core marketplace surfaces
• Build live experiences to make purchasing more entertaining on Whatnot
• Scale our checkout experience

Location Requirements

Team members in this role are required to be within commuting distance of our hubs in San Francisco, Los Angeles, Seattle, or New York City.

Candidate Profile

Curious about who thrives at Whatnot? We’ve found that embodying a growth mindset, a go-getter attitude, and a high-impact drive goes a long way here.

As our next Fullstack Engineer on Seller Merchandising, you should have 5+ years of generalist software development experience in high-growth startups, plus:

• Bachelor’s degree in Computer Science, a related field, or equivalent work experience
• Web development experience with React, using GraphQL for API development, and modern frontend applications (exposure to Next.js is preferred but not required)
• Excellent product instincts—prioritizing user experience over purely technical solutions
• Ability to mentor others and build inclusive, supportive teams
• Strong ownership instincts—able to own projects from inception to production and beyond
• A track record of shipping products and features rapidly
• Excellent problem-solving skills and independence in decision-making
• Ability to learn new technologies quickly
• Proven experience delivering features successfully

Compensation and Benefits

Salary: $185,000/year to $205,000/year + benefits + equity

The salary range may include several levels applicable to the role. Final salary will depend on factors such as experience, skills, and level. This range covers base salary only; benefits and equity are additional.

Benefits

• Health Insurance options including Medical, Dental, Vision
• Work From Home Support
  • Home office setup allowance
  • Monthly allowance for cellphone and internet
• Retirement: 401(k) in the US (employer match up to 4%) and international pension plans
• Parental Leave
  • 16 weeks of paid parental leave + one-month gradual return to work (company leave allowances run concurrently with country-specific leave requirements)

Equal Opportunity Statement

Whatnot is proud to be an Equal Opportunity Employer. We value diversity and do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability, or any other protected status. We believe that a diverse and inclusive workforce enhances our work and company culture.

Application Process

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