xAI
Open positions
Software Engineer - Linux Kernel (C++, C)
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this…
Software Engineer, Data Center - Memphis
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this…
ML Infrastructure Engineer
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this…
Software Engineering Internship/Co-op (Spring 2027)
SpaceXAI seeks extraordinary students to join us for Spring 2027 software engineering roles As an intern, you will work closely with your mentor and other employees who will help you apply your knowledge and grow your…
Software Engineer (Network, C++)
As a Software Engineer on the Colossus Networking team, you will develop the core networking software that maximizes the performance and reliability of our datacenter fabric Your work will directly impact training…
Software Engineer (Search Infrastructure)
As a backend engineer, you’ll design and build scalable, high-performance systems that power subscriptions infrastructure, new monetized products, user growth, and creator monetization You’ll work on mission-critical…
Software Engineer (Linux Kernel, C++, C)
Build and maintain the lean, high-reliability Linux-based operating system that underpins our supercomputer network fabric Write (or rewrite) high-performance device drivers to extract the maximum physical capability…
Backend Engineer (API)
Build the xAI API that serves our models to developers worldwide Own the end-to-end system responsible for high-throughput inference, handling billions of tokens per minute with low latency and high availability,…
Software Engineer (Platform Infrastructure, Rust, C++)
Design, build, and implement a large-scale distributed system that powers one of the world’s largest supercomputing clusters Dive into the low-level stack to profile, debug, and optimize performance across diverse…
ML Infrastructure Engineer
As an ML Infrastructure Engineer, you will play a pivotal role in building and optimizing the reliable, high-performance ML platform that powers recommendations on X Designing, building, and scaling GPU compute…
Software Engineer (Real-Time Storage)
We’re looking for exceptional storage & database engineers who want to join us on a new project to deeply integrate xAI’s advanced AI infrastructure into a platform used by around 600 million users every month We’re…
Software Engineer (Sandbox Service)
The Sandbox service team at xAI builds and maintains a secure, scalable system that gives our models safe, controlled access to computational environments This infrastructure powers critical workloads across training…
Member of Technical Staff (Multimodal Understanding)
You will join the multimodal team to push toward superhuman multimodal intelligence Advance understanding and generation across modalities—image, video, audio, and text—spanning the full stack: data…
Member of Technical Staff (Imagine Model)
As a multimodal engineer on the Imagine Model Team, you will develop cutting-edge AI experiences beyond text, with a strong focus on enabling high-fidelity understanding and generation across image and video…
Software Engineer (Training/Inference, C++)
We are building the high-performance inference platform that serves Grok to millions of users every day with lightning speed and perfect reliability As a Member of Technical Staff - Inference, you will design and…
Software Engineer (Kernels/CUDA, C++)
We are building one of the world’s largest AI supercomputers from the ground up. As part of the Compute Infrastructure team, you will own both the raw GPU supercomputer and the platform layer that runs on top of it You…
Software Engineer (Media)
We’re looking for exceptional media engineers who want to join us on a new project to deeply integrate SpaceXAI’s advanced AI infrastructure into a platform used by around 600 million users every month We’re bringing…