Backend Engineer - Enterprise

xAI|17 Dec 2025

fulltimeonsite

Before you apply

Listed location: Tokyo, Japan

Work arrangement: onsite. A remote label does not confirm worldwide eligibility or visa sponsorship.

Read the employer’s description for qualifications, compensation and work eligibility. Confirm the position is still open on the application page.

Job description supplied by xAI; category and skill labels may be inferred. How our listings work · Report a problem

Job Description

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 possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars.

SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

ABOUT THE ROLE:

The Enterprise Agents Engineering Team at SpaceXSI is a team of builders solving the hardest problems in applied AI: integrating with messy systems, orchestrating complex workflows, and harnessing AI to transform business operations. We build full-stack solutions with ownership of end-to-end product execution from ideation to deployment, collaborating closely with our team to incorporate cutting-edge AI advancements into robust and reliable user-centric solutions. Through an iterative development process, we work hand-in-hand with customers to gather feedback, refine features, and evolve products to address real-world challenges.

BASIC QUALIFICATIONS:

Expert knowledge of either Rust or C++,
Experience in designing, implementing, and maintaining reliable and horizontally scalable distributed systems,
Knowledge of service observability and reliability best practices,
Experience in operating commonly used databases such as PostgreSQL, Clickhouse, and CockroachDB

PREFERRED SKILLS AND EXPERIENCE:

Expert knowledge of Python,
Experience with Docker, Kubernetes, and containerized applications,
Expert knowledge of TypeScript,
Expert knowledge of gRPC (unary, response streaming, bi-directional streaming, REST mapping),
Hands-on experience with LLM APIs, embeddings, or RAG patterns
Track record of delivering user-facing software at scale.

SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

Skills mentioned

PythonKubernetesDockerRustTypeScriptLLMRAGC++

Frequently asked questions

Is the Backend Engineer - Enterprise position at xAI remote?

The Backend Engineer - Enterprise role at xAI does not have a confirmed remote arrangement in our data. Check the employer description for its work location.

What type of employment is the Backend Engineer - Enterprise role?

xAI is hiring for a full-time Backend Engineer - Enterprise position.

Which skills are mentioned for the Backend Engineer - Enterprise job at xAI?

Detected skill labels include Python, Kubernetes, Docker, Rust, TypeScript, LLM, RAG, C++. Check the employer description to distinguish required skills from preferred experience.