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39 jobs
xAI
3 weeks ago

Software Engineering Internship/Co-op (Spring 2027)

North AmericaInternshipIntern
United States

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…

AI C++ C# Java JavaScript +3 skills
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xAI
2 months ago

Software Engineer (Network, C++)

North AmericaFull-time
United States

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…

AI Backbone.js CI/CD C++ Distributed Systems +3 skills
180K – 440K $
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xAI
2 months ago

Fraud Analyst (Sat-Weds)

HybridNorth AmericaFull-timeMiddle
United States

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This…

Itar
100K – 135K $
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xAI
2 months ago

AI Tutor - Design Specialist

RemoteWorldwideFull-time

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This…

Accessibility AI Cloud Figma Generative AI +5 skills
35 – 75 $ / hr
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xAI
3 months ago

Software Engineer (Network Software & Services)

EuropeFull-time
Ireland

As part of the Network Software and Services for AI (nssAI) team at SpaceXAI, you’ll build cutting-edge software, services, and frameworks to empower our Network Development Engineers Working hands-on, you’ll tackle…

AI Automation Infrastructure as Code
80K – 150K €
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xAI
3 months ago

Software Engineer (X Developer Platform)

North AmericaFull-time
United States

The X Developer Platform team owns the partner ecosystem that connects X with B2B and B2C developers around the world X reaches more than 500 million active users who produce billions of posts every week, and that…

Analytics API AWS Azure Cloud +8 skills
180K – 440K $
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xAI
3 months ago

Software Engineer (Search Infrastructure)

North AmericaFull-time
United States

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…

C++ Data Pipelines Distributed Systems Elasticsearch JVM +2 skills
150K – 400K $
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xAI
3 months ago

Software Engineer (Linux Kernel, C++, C)

North AmericaFull-time
United States

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…

AI C++ Ethernet I2c JTAG +5 skills
180K – 440K $
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xAI
3 months ago

Backend Engineer (API)

UKFull-time
United Kingdom

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,…

API ClickHouse C++ Distributed Systems Docker +9 skills
107K – 262K £
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xAI
3 months ago

Application Security Engineer

North AmericaFull-time
United States

We are seeking a skilled and innovative Application Security Engineer to join our technology-driven company In this role, you will be responsible for ensuring the security and integrity of our cloud-native applications…

AI AWS Azure Burp Suite CI/CD +15 skills
100K – 258K $
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xAI
3 months ago

Software Engineer (Evals)

North AmericaFull-time
United States

You will own and elevate our mission-critical research platform that directly accelerates SpaceXAI’s frontier work The evals team creates and executes instruments for measuring model capabilities and behaviors. These…

AI Machine Learning
175K – 275K $
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xAI
3 months ago

Software Engineer (Platform Infrastructure, Rust, C++)

North AmericaFull-time
United States

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…

AI Containerd Containerization C++ Distributed Systems +13 skills
180K – 440K $
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xAI
3 months ago

Member of Technical Staff (Imagine Product)

North AmericaFull-time
United States

The Imagine Product team is redefining AI-driven media experiences for Grok users worldwide In this role, you’ll build and scale robust, high-performance systems that power immersive, multi-modal media…

AI Containerization Data Pipelines Distributed Systems Kubernetes +4 skills
180K – 444K $
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xAI
3 months ago

Software Engineer (Voice Model)

North AmericaFull-time
United States

You will join the Grok Voice Model team to help build the world’s best voice AI. We deliver smooth, natural, low-latency spoken interactions — expressive, multilingual, and reliable across devices and real-time…

A/B Testing AI Distributed Training Fine Tuning JAX +6 skills
150K – 450K $
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xAI
3 months ago

Software Engineer (Real-Time Storage)

North AmericaFull-time
United States

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…

AI C++ Distributed Systems JVM Recommendation Systems +3 skills
180K – 440K $
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xAI
3 months ago

Software Engineer (Data Platform)

HybridNorth AmericaFull-time
United States

The Data Platform team at X builds and operates the infrastructure responsible for all large-scale data transport and processing across the company We own and manage core systems including Apache Kafka, HDFS, Spark,…

Analytics API Data Ingestion Distributed Systems Flink +8 skills
180K – 440K $
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xAI
3 months ago

Mobile Android Engineer

UKFull-time
United Kingdom

We’re seeking an exceptional Android engineer to join a small, high-impact team dedicated to creating the world’s most valuable AI application, judged by the impact it delivers to users You’ll shape cutting-edge mobile…

AI Android API Gradle Jetpack +2 skills
107K – 262K £
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xAI
3 months ago

Software Engineer (Sandbox Service)

On-siteUKFull-time
United Kingdom

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…

Containerization C++ Distributed Systems Fine Tuning Linux +6 skills
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xAI
3 months ago

Senior Software Engineer (Multimodal Understanding)

North AmericaFull-timeSenior
United States

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…

Agentic AI AI C++ Data Pipelines Data Quality +10 skills
180K – 440K $
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xAI
3 months ago

Software Engineer (X Money)

North America, UKFull-time

We are seeking a talented Software Engineer to join our X Money team, focused on building a revolutionary global payment network that will serve over 600 million users and rival the world’s largest financial…

AI Analytics Android API Distributed Systems +6 skills
107K – 262K £
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