[Remote] Backend Engineer, Seller Growth at WhatNot

San Francisco, California, United States

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$190,000 – $215,000Compensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

E-commerce, Biotechnology, MarketplaceIndustries

Requirements

Candidates should have 5+ years of software engineering experience, a Bachelor's Degree in Computer Science or equivalent work experience, and experience building scalable systems using Python, Elixir, or JavaScript. They should also possess excellent product instincts, a proven track record of delivering features quickly, the ability to own ambiguous areas, and experience with data and growth systems like notifications, scalability, and data pipelines.

Responsibilities

The Backend Engineer will design and build systems for the new seller funnel, focusing on protecting the funnel from fraud and abuse through identity verification and automated trust reviews. They will balance growth with trust and safety, build platform intelligence for seller identification and routing, and create scalable infrastructure for reusable trust and reputation systems. The role also involves driving long-term seller success by enabling better bucketing of sellers by value and risk profile, and ensuring high-potential sellers are accelerated while fraudulent sellers are contained.

Skills

Backend Development

System Design

Fraud Detection

Identity Verification

Trust and Safety

Risk Assessment

Scalability

Platform Development

E-commerce

WhatNot

Online marketplace for authentic collectibles

About WhatNot

Whatnot.com operates as an online marketplace dedicated to collectibles, particularly focusing on items like Funkos and FiGPiNs. The platform ensures that every collectible listed is 100% authentic through a rigorous verification process that includes hand authentication, providing trust and security for both buyers and sellers. It caters to collectors and enthusiasts who seek a reliable space to buy and sell rare and exclusive items from popular franchises such as Marvel Comics and Star Wars. Whatnot.com distinguishes itself from competitors by charging low fees on sales and offering seller protection, which guarantees prompt and secure payments. The company's goal is to create a trusted environment for the growing community of collectible enthusiasts, facilitating safe and easy transactions for unique items.

Marina del Rey, CaliforniaHeadquarters

2019Year Founded

$728.7MTotal Funding

SERIES_ECompany Stage

Consumer Software, Consumer GoodsIndustries

501-1,000Employees

Benefits

Competitive base salary and stock options

Unlimited Vacation Policy and No Meeting Holidays

Health Insurance options including Medical, Dental, Vision, Life, Short term disability & Long term Disability

Work From Home Support

Up to $500 monthly to spend within Whatnot App

Care benefits

Risks

Increased competition from TikTok Shop may impact Whatnot's market share.

The collectibles market's volatility could affect Whatnot's sales and inventory.

Expansion into new categories may dilute Whatnot's specialized brand identity.

Differentiation

Whatnot offers a unique marketplace for 100% authenticated collectible items.

The platform integrates live shopping with entertainment, enhancing user engagement.

Whatnot's partnerships with major franchises like Marvel boost its market appeal.

Upsides

Whatnot's $265M funding round supports expansion and new product categories.

The platform's collaboration with PSA enhances trust through integrated authentication services.

Rising interest in live shopping among younger demographics drives Whatnot's growth.

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