Senior Full-Stack AI Research Engineer

Weights & Biases

Sunnyvale (CA)

On-site

USD 180,000 - 250,000

Full time

14 days+

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Medical Insurance
Dental Insurance
Vision Insurance
Company-paid Life Insurance
Voluntary Supplemental Life Insurance
Short-term Disability Insurance
Long-term Disability Insurance
Flexible Spending Account
Health Savings Account
Tuition Reimbursement
Employee Stock Purchase Program (ESPP)
Mental Wellness Benefits
Family-Forming Support
Paid Parental Leave
Childcare Support
401(k) with Employer Match
Flexible PTO
Catered Lunch

Job summary

Weights & Biases in Sunnyvale, CA is seeking a senior full-stack engineer to own features across the ARIA AI research agent stack, from backend infrastructure and API design to the React frontend.

You will build and maintain distributed worker systems and streaming architectures to deliver real-time token output to users, focusing on scalability and security in sandboxed code execution.

Qualifications

  • Requires 4+ years of full stack experience with deep proficiency in Python (FastAPI, Kubernetes) and TypeScript/React.
  • Candidates should have experience operating services at scale and a security-conscious mindset regarding sandboxed code execution.

Responsibilities

  • Own features across the entire stack for the ARIA AI research agent, from backend infrastructure and API design to the React frontend.
  • Build and maintain distributed worker systems and streaming architectures to deliver real-time token output to users.

Skills

Python
React
TypeScript
FastAPI
Kubernetes
MySQL
Distributed Systems
API Design
Streaming Architecture
Observability Tooling
Sandboxed Code Execution
Full Stack Engineering
Async Patterns
State Machines
RDBMS
AI Agents

Job description

Weights & Biases in Sunnyvale, CA is seeking a senior full-stack engineer to own features across the ARIA AI research agent stack, from backend infrastructure and API design to the React frontend.

You will build and maintain distributed worker systems and streaming architectures to deliver real-time token output to users, focusing on scalability and security in sandboxed code execution.

Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

Senior Full-Stack AI Engineer – Real-Time, Scalable
Senior Full-Stack AI Engineer – Real-Time, Scalable

Weights & Biases • Bellevue (WA)

On-site
USD 150,000 - 230,000
Medical insurance
Dental insurance
Vision insurance
+13
Senior Software Engineer - Real-Time AI & Distributed Tech
Senior Software Engineer - Real-Time AI & Distributed Tech

Weights & Biases • New York (NY)

On-site
USD 140,000 - 190,000
Medical Insurance
Dental Insurance
Vision Insurance
+3
Senior Full-Stack Engineer for AI Agent Platform
Senior Full-Stack Engineer for AI Agent Platform

Weights & Biases • Livingston (NJ)

On-site
USD 182,000 - 242,000
Medical, dental, and vision insurance
401(k) with generous employer match
Flexible PTO
+1
Senior Full-Stack Engineer, AI Agent Platform
Senior Full-Stack Engineer, AI Agent Platform

Weights & Biases • San Francisco (CA)

On-site
USD 182,000 - 242,000
Medical, dental, and vision insurance
401(k) with generous employer match
Tuition Reimbursement
+2
Senior Software Engineer — AI-Driven Full-Stack
Senior Software Engineer — AI-Driven Full-Stack

Eloquent AI • United States

Remote
USD 180,000 - 240,000
Senior Full-Stack Engineer for AI Agent Platform
Senior Full-Stack Engineer for AI Agent Platform

Candidate • New York (NY)

On-site
USD 150,000 - 230,000
Senior AI Infrastructure Engineer (React/Python) - Equity
Senior AI Infrastructure Engineer (React/Python) - Equity

Motion Recruitment • Sunnyvale (CA)

On-site
USD 180,000 - 240,000
Senior Full-Stack Engineer – AI-Driven Real-Time Platform (Hybrid SF)
Senior Full-Stack Engineer – AI-Driven Real-Time Platform (Hybrid SF)

RLink Solutions LLC • San Francisco (CA)

Hybrid
USD 150,000 - 210,000
Senior Full-Stack Engineer — AI Agent UX & Platform
Senior Full-Stack Engineer — AI Agent UX & Platform

Actively • New York (NY)

On-site
USD 160,000 - 210,000
Health, Dental, Vision Coverage
Unlimited PTO
Catered Lunch on Tuesday & Friday, DIn
+6
Senior Software Engineer, W&B Agent - W&B
Senior Software Engineer, W&B Agent - W&B

Weights & Biases • Sunnyvale (CA)

On-site
USD 180,000 - 250,000
Medical Insurance
Dental Insurance
Vision Insurance
+15