Fullstack Engineer, Ads

Whatnot • Commerce • Marketplaces • 2 days ago
Smart Apply
Similar jobs
1,437,834open jobs
84,810companies
219,155added this week
Browse all
Salary
$207k – $230k per year
Location
In office (San Francisco)
Seniority
Senior · 5+ years exp
Visa
H-1B filings in 12 months: 48 · for this role: 31 · green card filings: 8
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Aug 25, 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 Fullstack Engineer, you will own and lead major pieces of functionality in the ads system, working closely with other engineering teams. You should have 5+ years of software development experience, full-stack proficiency, and excellent product instincts. Benefits include generous time off, health insurance, work from home support, care benefits, retirement plans, and parental leave.

Missions

  • Participer à la conception, au développement et à la mise en œuvre de systèmes publicitaires de bout en bout, y compris les fondations backend, la récupération et le classement, l'interface utilisateur et les tableaux de bord.
  • Collaborer avec d'autres équipes d'ingénierie, y compris la découverte, la croissance des vendeurs, la plateforme de données, la plateforme d'apprentissage automatique et les paiements, pour assurer l'intégration et l'efficacité des systèmes publicitaires.
  • Assumer la responsabilité de projets de développement logiciel, de l'inception à la production, en veillant à ce que les fonctionnalités soient livrées rapidement et efficacement.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,437,834 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Backend
Similar stack
Same company
San Francisco
$101k – $125k per year • In office • 6+ years exp • Bachelor's Degree • Alpharetta
SQL
C#
C#
.NET
Databases
PostgreSQL
Oracle
Apache Kafka
DevOps
Rest API
GCP
Helm
Azure
AWS
Docker
Kubernetes
Google GKE
Linux
Windows
TCP/IP
SOAP
Management
Agile
Apply
$109k – $145k per year • In office • 7+ years exp • Bachelor's Degree • Alpharetta
SQL
C#
C#
.NET
Databases
PostgreSQL
Oracle
Apache Kafka
DevOps
Rest API
GCP
Helm
Azure
AWS
Docker
Kubernetes
Google GKE
Linux
Windows
TCP/IP
SOAP
IoT
Matter
Management
Agile
Apply
≈ $68k – $135k per year (Estimated) • In office • Full-Time • 5+ years exp • Ann Arbor
Java
Kotlin
Objective-C
Java
Gradle
Mobile
MVVM
Firebase
VIPER
Fastlane
MVC
DevOps
Rest API
CI/CD
Jenkins
Git
GitHub
Management
Jira
Agile
Apply
$117k – $182k per year • In office • 1+ year exp • Master's Degree • Irving
JavaScript
TypeScript
Frontend
RxJS
Angular
Sass
ESLint
Prettier
NgRx
Angular Material
DevOps
CI/CD
Git
Bitbucket
Cybersecurity
SonarQube
Veracode
Management
Jira
Agile
Scrum
Apply
$170k – $183k per year • In office • New York
JavaScript
TypeScript
Frontend
GraphQL
React.js
Remix
React Router
DevOps
Cloudflare
Apply
$122k – $146k per year • In office • Full-Time • Portland • San Francisco • Washington • Boston
AI/ML
Claude
Model Context Protocol
AI Agents
Gemini
AWS Bedrock AgentCore
Agentic Workflows
Multi-Agent Systems
DevOps
CI/CD
AWS
Apply
$160k – $240k per year • Equity 1–2% • In office • Full-Time • San Francisco
JavaScript
TypeScript
Node JS
Node JS
Prisma
Databases
PostgreSQL
OpenSearch
AI/ML
Cursor
LangGraph
LangChain
Claude Code
Anthropic
Frontend
Tailwind CSS
Next.js
React.js
Design
Figma
Apply
≈ $166k – $280k per year (Estimated) • Remote (United States, MT hours) • 5+ years exp • Bachelor's Degree • San Francisco
JavaScript
SQL
Node JS
Frontend
Vue.js
GraphQL
React.js
DevOps
Rest API
Analytics
A/B Testing
QA
Jest
Mocha
Apply
≈ $173k – $290k per year (Estimated) • Remote (United States) • 5+ years exp • Bachelor's Degree • San Francisco
Python
Go
Java
Kotlin
Scala
Databases
PostgreSQL
Oracle
Cassandra
DynamoDB
DevOps
GCP
Azure
AWS
Management
Agile
Scrum
Apply
$216k – $270k per year • Equity • In office • Full-Time • 5+ years exp • San Francisco
Python
JavaScript
Java
C#
Node JS
C#
.NET
AI/ML
ChatGPT
Fine-tuning
RLHF
Reinforcement Learning
Pre-training
DevOps
Terraform
GCP
Pulumi
Azure
AWS
IAM
Cybersecurity
Okta
ISO 27001
SOC 2
Apply
See all jobs
This is one of many
1,437,834 more open roles from verified company boards, updated every day.
Browse all jobs Get matched roles