Member of Technical Staff - Internal Tools

About the role

xAIxAI’s mission is to create AI systems that understand the universe and aid humanity in its pursuit of knowledge. The team is small, highly motivated, and operates with a flat organizational structure. Leadership is given to those who show initiative and consistently deliver excellence. Employees are expected to be hands-on and contribute directly to the company’s mission.

Responsibilities

• Design, build, and ship delightful, performant, and scalable systems that researchers and engineers love to use every day.
• Own and elevate xAI’s research platform, which directly accelerates the company’s frontier work.
• Contribute to Toolbox, a unified Research Platform for model training orchestration, evaluations, benchmarking, and experiment management.

Requirements

• Excellent prioritization skills — focus on high-impact work in a fast-moving environment.
• Outstanding communication skills — 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 — have a sharp sense for quality and can naturally feel what feels good versus what feels off or uncomfortable across everything built.
• Proven technical excellence in at least one area (UX/frontend, backend, data, agentic systems, etc.).

Bonus Points

• 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.

Interview Process

• Coding 1 — Practical coding exercise (React component for frontend-focused; general practical exercise for others).
• Coding 2 — System design (dive deep into frontend architecture, backend architecture, or relevant domain based on the candidate).
• Coding 3 — Taste & Product (assess product taste, ability to gather user needs, craft roadmaps, and prioritize).

Meet the team + Present an exceptional work/project to the team

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