Software Engineer, Ads Product

About the Company

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, operating with a flat organizational structure.

Responsibilities

• Build and ship product features across the X Ads Platform
• Work on systems related to ad delivery, targeting, optimization, measurement, and advertiser experience
• Use xAI’s infrastructure and AI capabilities to improve the performance and quality of advertising products
• Contribute to distributed systems that need to be reliable, fast, and scalable
• Collaborate closely with engineers, product leads, and cross-functional partners
• Debug, maintain, and improve production systems that serve real users

Requirements

• Strong software engineering fundamentals
• Ability to write clean, maintainable code and learn new codebases quickly
• Strong problem-solving skills and comfort working through ambiguity
• Experience building software through internships, projects, research, open-source, startups, or full-time roles
• Interest in backend systems, distributed systems, data pipelines, product engineering, or AI applications
• Strong ownership mindset and a bias toward action

Preferred Qualifications

• Experience with ads, recommendations, search, ranking, marketplaces, payments, analytics, or growth systems
• Experience working with large-scale backend systems or data processing pipelines
• Experience with React, Golang, Python, Rust, gRPC, Java, or Scala
• Experience with machine learning, LLMs, experimentation, ranking, or optimization systems

Benefits

• Equity
• Comprehensive medical, vision, and dental coverage
• 401(k) retirement plan
• Short and long-term disability insurance
• Life insurance