xAI

Lead the software infrastructure team that trains Grok models across clusters containing hundreds of thousands or millions of GPUs. The role combines systems programming in C/C++, large-scale performance and reliability engineering, and technical leadership.

Build and operate the software systems behind Grok Voice, spanning large-scale audio data pipelines, distributed model training, evaluation, and real-time production deployment. The role focuses on delivering low-latency, multilingual voice interactions across devices.

Join a high-impact iOS team building and continuously improving X for millions of users. You’ll own polished, high-performance mobile experiences from architecture through App Store deployment.

Build high-impact Android experiences for an AI application, combining deep mobile expertise with strong product judgment and attention to performance and polish. You’ll shape critical product and technical decisions on a small, high-impact team.

Sr. Software Engineer, Data Engineering will build and operate distributed realtime and batch data platforms powering billions of daily events, product insights, and internal data products. The role spans pipelines, data correctness, workflow automation, and cross-functional solutions across X product engineering.

Build and scale X Ads products that power ad delivery, targeting, optimization, measurement, and advertiser experiences for a massive user base. This early-career-focused role offers substantial ownership across backend systems, infrastructure, distributed systems, and AI-powered advertising features.

Build scalable data systems and quantitative models that power experimentation, forecasting, and business decision-making at global scale. This Analytics Engineer role combines production data engineering with rigorous statistical analysis.

Build and optimize high-performance C++ inference and model-serving systems that deliver Grok to millions of users. This role spans distributed serving infrastructure, GPU-level optimization, and next-generation AI system research.