LLM Research Scientist – Pre-training, Computer Vision, Adversarial Robustness

🕒 September 13

🇺🇸 United States – Remote

💵 $100 - $120 / hour

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🧬 Research Scientist

👻 Ghost score 18%

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Mercor

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

🔥 Funding within the last year

💰 $350M Series C - Mercor on 2025-10

Mercor is a company for which no descriptive text was provided in the input. Additional information (products, services, target customers, or industry specifics) is needed to create an accurate summary and select appropriate industries.

📋 Description

• Train image classifiers and generative image models from scratch • Fine-tune open-weight language models • Solve empirical, open-ended machine learning research problems • Optimize models within limited data, compute, and model-size budgets • Improve model robustness against adversarial inputs and conversations • Compress models to meet hard size and latency constraints without sacrificing accuracy • Diagnose and resolve training issues • Collaborate with leading AI researchers on projects training and enhancing frontier AI systems

🎯 Requirements

• 3+ years of machine learning research experience; PhD research counts toward this requirement • Strong experience with PyTorch, JAX, TensorFlow, or similar ML frameworks • Degree from a top-100 university, experience at a FAANG or comparable AI company, or an equivalent research track record through publications or impactful open-source contributions • Expertise in one or more of adversarial robustness, efficient computer vision, generative image modeling, LLM post-training and behavioral robustness, or multilingual pre-training • Experience with adversarial training of image classifiers, robust-accuracy evaluation, and managing robustness–accuracy trade-offs • Experience training image classifiers end-to-end, model compression, and deployment under hard size or latency budgets • Experience training image generative models from scratch and evaluating sample quality using metrics such as FID • Experience with supervised fine-tuning and preference optimization of open-weight language models • Experience shaping conversational behavior over multiple turns and preserving general capability during behavior-specific fine-tuning • Experience training multilingual or low-resource-language models from scratch and designing tokenizers across scripts • Additional experience in scaling laws, curriculum learning, model evaluation, uncertainty estimation, data augmentation, or synthetic data is a plus • Must not require H-1B or STEM OPT support

🏖️ Benefits

• Flexible, project-based work • Competitive compensation • Fully remote work • Work on your own schedule • Weekly payments via Stripe or Wise • Collaborate with leading AI researchers • Projects can be extended, shortened, or concluded early depending on needs and performance • Reasonable accommodations upon request • Referral bonuses of up to $480 per successful referral

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