Software Engineer – Data Infrastructure (Pretraining Data) – REMOTE

Job Overview

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The team is small, highly motivated, and focused on engineering excellence with a flat organizational structure. Engineers are expected to be hands-on, contribute directly to the mission, and have strong communication skills. The role focuses on building petabyte-scale, high-throughput data processing systems, managing workloads across large cloud compute clusters, and pre-processing datasets for AI training. Ideal candidates have strong engineering skills, experience with multiple data modalities, building bespoke data processing libraries, designing distributed systems in Rust, and organizing data across multiple clouds. The interview process includes a CV review, a 15-minute phone interview, and four technical interviews covering coding, systems hands-on, project deep-dive, and team meet and greet. Interviews are conducted via Google Meet. The company is an equal opportunity employer and complies with various fair chance ordinances and privacy acts.