Distyl AI
Research Engineers, Post-Training
$150K–$250K
San Francisco +1 · Hybrid · Full-time · Posted Jul 7, 2026
- Location
- San Francisco
New York
About the job
Designs, evaluates, and deploys post-training workflows that improve AI system behavior and reliability in enterprise settings.
What you'll do
- Build post-training workflows, datasets, evaluation suites, reward models, and feedback loops.
- Run experiments and develop infrastructure for model comparison, regression testing, and behavior analysis.
- Collaborate with researchers, engineers, and customer stakeholders to adapt and deploy robust AI systems.
What they ask for
- Experience with fine-tuning, preference optimization, reinforcement learning, reward modeling, synthetic data, evaluations, or related post-training techniques.
- Strong programming skills and ability to build training and evaluation pipelines and run controlled experiments.
- Understanding that AI behavior is shaped by data, prompts, tools, retrieval, evaluators, and deployment context.
- Ability to measure behavioral improvements and balance research goals with practical constraints.
Pay
$150K – $250K USD base salary
AI focus
Applied AI post-training, including fine-tuning, preference optimization, reinforcement learning, reward modeling, synthetic data, evaluations, and production deployment.
Model-written summary · the original posting is authoritative