Software Engineer - Internal Tools

United States·Palo Altolead

OtherSoftware EngineerMember Of Technical StaffSoftware Engineering

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Quick Summary

Overview

ABOUT xAI xAI’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.

Requirements Summary

Excellent prioritization skills — you know how to ruthlessly focus on high-impact work in a fast-moving environment Outstanding communication skills — you can clearly articulate trade-offs, technical decisions, and product thinking to both technical…

Technical Tools

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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 organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

We are looking for exceptional engineers and builders with great taste, strong product sense, excellent prioritization, and outstanding communication skills. You will own and elevate our mission-critical research platform that directly accelerates SpaceXAI's frontier work. This role values product ownership, taste and narrow specialization.

Our team is contributing to Toolbox — our unified Research Platform for model training orchestration, evaluations, benchmarking, and experiment management. We are open to all levels from new grads to senior engineers.

Responsibilities

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→Design, build, and ship delightful, performant, and scalable systems that researchers and engineers love to use every day.

Requirements

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Excellent prioritization skills — you know how to ruthlessly focus on high-impact work in a fast-moving environment
Outstanding communication skills — you can clearly articulate trade-offs, technical decisions, and product thinking to both technical and non-technical stakeholders
Strong product intuition and ownership mindset
Strong taste & sensitivity — you have a sharp sense for quality. You can naturally feel and detect what feels good versus what feels off or uncomfortable across everything you build (frontend interfaces, backend APIs, data flows, system architecture, etc.).
Proven technical excellence in at least one area (UX/frontend, backend, data, agentic systems, etc.)

Previously founded a startup or joined a fast-growing early-stage startup
Familiarity with AI/ML workflows, annotation tools, or research platforms
Experience creating and maintaining component libraries, design systems, or internal tools
Background in UX design, product management, or related fields

What We Offer

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$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

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