Software Engineer, Ads

Whatnot • French: C1 • Commerce • Marketplaces • 1 day ago

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Salary

≈ $42k – $83k per year (Estimated)

Location

Remote (Poland)

Seniority

Middle · 4+ years exp

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 10, 2026. First seen by Alion on Jun 10, 2026. Whatnot scores C on the Alion truth index.

Overview

Company

Impact

Profile match

Whatnot

Whatnot is a US live shopping marketplace headquartered in San Francisco where sellers host livestreams to sell trading cards, collectibles, fashion, electronics, live plants and many other categories. Founded in 2019 and backed by investors including Andreessen Horowitz, Y Combinator and CapitalG, it operates in North America, Europe, Australia and Japan with teams in New York, Los Angeles, London, Dublin, Berlin, Krakow, Sydney and Tokyo. It hires software and application security engineers, product designers, sales managers for international markets, recruiters, communications managers and finance and tax staff.

whatnot.com • HQ: San Francisco, United States • Marketplaces • Commerce • Social Commerce • 1001-5000 employees • Est. 2019

Tech stack of Whatnot

Backed by Y Combinator, Andreessen Horowitz, Silicon Valley Investclub

Join Whatnot, the largest live shopping platform in North America and Europe. As a Software Engineer on the Ads team, you'll build systems and features to help sellers grow their businesses. You'll work across the full ads stack, build highly scalable ads systems, and understand buyer and seller experiences. Ideal candidates have 4+ years of professional software engineering experience, strong experience designing and building scalable backend services, and a product-minded approach to engineering.

Missions

Construire des produits publicitaires en travaillant sur l'ensemble de la pile publicitaire, y compris les enchères, le ciblage, le classement, le service, la gestion des campagnes et les outils pour les vendeurs.
Développer des systèmes publicitaires hautement évolutifs qui gèrent tous les aspects de l'exécution d'un système de publicité en ligne et aident les vendeurs à se différencier sur Whatnot.
Analyser en profondeur les données, les journaux et le comportement du système pour raisonner sur les performances, la correction et l'impact.

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