Basis logo
Basis logo

Basis

withbasis.co
withbasis.co • HQ: San Francisco, United States • Startup • New
HQ: San Francisco, United States • Startup • New
Actively hiring
AI Training Data & Annotation
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Overview
Technologies
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Backers
1
a16z speedrun
Momentum
0/100
no fresh signals
Backed byfrom the funds' portfolios and accelerator catalogs
a16z speedrun accelerator

Overview

Basis is a company that supplies human expertise and data to frontier AI developers and describes itself as the human foundation behind frontier AI. Its customers include leading research institutions, and it hires founding engineers, machine learning engineers and forward deployed engineers. The company is headquartered in San Francisco, United States.

Tech stack

Technologies named in job postings at Basis over the last 12 months, by layer, with the share of postings for each.
Technologies in use
91
Postings analysed
29
Stack modernity
87/100AI adopter
Languages
Python34%
TypeScript21%
Rust10%
Swift10%
Frameworks & libraries
PyTorch10%
React.js10%
SwiftUI10%
MuJoCo7%
Databases
PostgreSQL14%
ClickHouse3%
Google Bigtable3%
Cloud & platforms
AWS21%
OpenAI14%
Supabase14%
Figma7%
AI & ML
LLM17%
Claude7%
Core ML3%
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Full Basis tech stack 91 technologies · by team · pay by technology · changes · similar stacks

Offices

Where the company hires and what each office is for
Cities
6
Hiring now
6
Countries
2
Busiest office
San Francisco
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Headquarters Builds here Office with open vacancies Tap a pin for the office
San Francisco United States
HQ
23 open roles 20 posted in 90 days 83% engineering $196k Avg Salary
hires for AI/ML, Backend, Solutions
seen since Jun 2026 job postings
New York United States
Engineering / R&D
11 open roles 9 posted in 90 days 73% engineering $218k Avg Salary
hires for Backend, AI/ML, Industrial Engineering
seen since Jun 2026 job postings
Austin United States
2 open roles 2 posted in 90 days 100% engineering
hires for AI/ML, Backend
seen since Jul 2026 job postings
London United Kingdom
1 open roles 1 posted in 90 days 100% engineering
hires for Backend
seen since Jul 2026
Seattle United States
1 open roles 1 posted in 90 days 100% engineering
hires for AI/ML
seen since Jul 2026
Boston United States
1 open roles 1 posted in 90 days 100% engineering
hires for Hardware
seen since Oct 2026 job postings