Principal Software Engineer San Francisco Jobs

Quality Assurance Engineer

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

IT Systems Engineer

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Senior Grok Engineer

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Lead Grok Engineer

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Hardcore Engineer - Multimodal Infrastructure

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

React Frontend Engineer - grok.com & API

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Fullstack Engineer - Companions

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Backend Engineer - Enterprise

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Senior Backend Engineer - Starfleet

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Android Engineer

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

RDMA Engineer - Supercomputing

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

High-Performance Networking Engineer - Supercomputing

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Mobile iOS Engineer - Grok

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Backend Engineer - Grok Chat

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Backend Engineer - Product Safety

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Senior Frontend Engineer - Autonomous Agents - Starfleet

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Senior Product Engineer - Starfleet

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Software Engineer - Data Acquisition / Web Crawling

xAI

full-time

About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </

Senior Data Visualization Engineer, Digital Solutions (Hybrid-Puerto Rico)

RTX Corporation

full-time

Job ID: 01806087Date Posted:2025-12-29Country:United States of AmericaLocation:HPR01: Collins Puerto Rico- Aguadilla Road 110 North...

Sales Engineer, Startups

Vercel

full-time

About Vercel: Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the