CareerPlanSign in

Staff AI Scientist

You’ll join a tight-knit, highly collaborative AI Science team that partners clo💼 Full-time🗓 2026-09-23 → 2026-09-26

Core

Lead applied research and development for models and datasets powering Fiddler's Trust Service, guardrail classifiers, and evaluators to ensure LLM and agentic applications are safe, accurate, and compliant in production.

Role type

Staff AI Scientist (Applied Research & Production)

Builds

Production classifiers for safety/security/quality, synthetic/adversarial dataset pipelines, and LLM-powered diagnostic analysis layers.

Domain

Generative AI, AI Observability, Enterprise AI Governance

Deliverable

production ML models

Required skills

Applied AI research to production, LLM/Agentic evaluation and guardrailing, classifier model training (BERT-family, LLM-as-classifier), dataset engineering (sourcing, synthetic generation, adversarial augmentation), Python, PyTorch, Hugging Face, real-time inference optimization, reinforcement learning and preference-based methods

Preferred skills

Publications, talks, or open-source contributions in AI

Technologies

PyTorch, Hugging Face, BERT-family, ModernBERT

Responsibilities

Design and ship production classifiers under latency/cost constraints; lead synthetic and adversarial dataset pipeline development; drive technical direction of generative insights; contribute to evaluation infrastructure for model quality and drift; mentor AI Scientists; partner with engineering and product teams to translate customer needs into research problems.

Seniority

Staff, hands-on IC with mentorship and technical direction

Sourced via wellfound · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.