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xAI develops Grok, a family of large language models, and builds the large-scale training and inference infrastructure behind them, including the Colossus supercomputing cluster.
Founded in 2023, the company focuses on frontier model research and deployment across the X platform and its own products.
AI Tutor - Humanities
You'll evaluate AI model outputs in humanities fields like literature, history, philosophy, and classics for factual accuracy and logical coherence, then create training data and r...
AI Tutor - Design
Evaluate and refine design work across graphic design, UI/UX, web, game design, and illustration to train AI models to distinguish excellent design from mediocre outputs. You'll an...
AI Tutor - Bulgarian
Train and refine AI voice interactions by annotating multilingual audio clips, transcribing speech across accents, and translating English text to Bulgarian. You'll need native Bul...
Software Engineer - Evals
You'll design and build the research platform that measures AI model capabilities, creating evaluation instruments, datasets, and grading schemes to guide training and diagnose fai...
Research Analyst
Analyze financial and market data to generate reports and develop strategies supporting management decisions and client performance. Requires a Master's degree and one year of expe...
ML Infrastructure Engineer
Build and scale GPU compute infrastructure, training frameworks, and ML platforms that power large-scale AI systems. You'll design data pipelines, optimize distributed systems, and...
AI Tutor - Yoruba
Train and refine AI voice interactions across languages by annotating multilingual audio data, transcribing speech samples, and translating English text into Yoruba. You'll need na...
AI Tutor - Ukrainian
AI Tutor - Sinhala
Train and refine AI systems for multilingual audio by annotating and recording speech samples in Sinhala, transcribing audio content with high accuracy, and translating English tex...
AI Tutor - Romanian
AI Tutor - Khmer
Train and refine multilingual AI voice capabilities by annotating audio clips, transcribing speech across accents and dialects, and translating English to Khmer for UI and conversa...
AI Tutor - Igbo
You'll train Grok's multilingual audio capabilities by annotating audio clips, transcribing speech across accents, and translating English to Igbo while ensuring linguistic and cul...
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