Senior Backend Engineer

Posted on Engineer


Whatnot (YC W20) is a livestream shopping platform and marketplace backed by Andreessen Horowitz and Y Combinator. We’re one of YC’s top companies and one of the fastest growing marketplaces ever. We’re laser focused on creating an exceptional software company, team, and place to work.

Our mission – Enable anyone to turn their passion into a business and bring people together through commerce. We’re building the future of ecommerce; an interactive community where creators can make a living off their passion.


Community and Live Experience are at the center of what makes the engaging and safe community Whatnot users love and trust. Not only do we own the core end-to-end livestream experience for our users, we’re building all kinds of social and community-driven features such as direct messaging, giveaways, gifting and more. We are a full stack product engineering team looking for capable engineers of all kinds, whether you are a generalist or product/backend engineer.

The most important qualities you’ll need are making sound product decisions, navigating new domains seamlessly, taking extreme ownership, and shipping high-quality products fast. We always prioritize the highest impact features and ship them quickly. Some sample projects you might work on on Community and Live XP teams include: direct messaging, order/seller reviews, giveaways, gifting, badging, and any brand new product features and tooling that help us ensure a meaningful and fun community on Whatnot.

You’ll have a lot of individual responsibility and many more freedoms, so we need to hire people we can trust. Your ability to make good trade-offs and exercise good judgment is essential to us.

About You

As our next Senior Backend Engineer, you should have 5+ years of backend or generalist software development experience in high growth startups, plus:

You can write code – experience programming in a professional setting (we primarily use Python, Elixir, JavaScript – knowledge of these in particular not required).
Excellent product instincts. You first think about users rather than the best technical solution.
You’re an excellent problem solver, and can ship features fast.
You’re open to doing frontend work when required.
Ability to pick up on new technologies very quickly/
Proven track record of delivering features.

About Company


Job Information

Status: Open Job type: Full Time Salary: Negotiable Publish date: 17 Mar 2023

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