ML Engineer — Constitutional AI

Anthropic·San Francisco, CA

Machine LearningSeniorFull-timeRemote

$220K-$370KPosted 24 Feb 2026

About the Role

Anthropic is hiring an ML Engineer to build and scale Constitutional AI training systems. You will implement novel training methodologies, develop evaluation frameworks, and optimize the feedback loops that make Claude safe and helpful.

Requirements

4+ years of ML engineering experience
Strong proficiency in Python and PyTorch/JAX
Experience with RLHF, DPO, or preference learning
Understanding of language model training pipelines
Strong software engineering practices

Nice to Have

Experience with Constitutional AI or similar frameworks
Background in AI safety or alignment research
Experience with distributed training at scale
Publications in relevant ML areas

Benefits

Significant equity in a leading AI safety company

Premium health coverage

Flexible remote work

Annual education stipend

Sabbatical after 4 years

Parental leave

Skills

PythonPyTorchJAXRLHFConstitutional AIDistributed Training

This listing was posted on 2026-02-24 and is almost certainly closed. It is kept for reference — check the employer’s own careers page for current openings.

Visit Anthropic

Related Jobs

Senior Machine Learning Engineer

OpenAI · San Francisco, CA

$250K-$400KMachine Learning

AI Safety Researcher

Anthropic · San Francisco, CA · Remote

$200K-$350KAI Safety

ML Engineer — FAIR

Meta · Menlo Park, CA

$200K-$350KMachine Learning

ML Engineer — Evaluation

Scale AI · San Francisco, CA

$190K-$300KMachine Learning

Preparing for Your AI Career?

Vincony has all 400+ AI models in one place — compare responses, AI debate, Image/Video/Voice generator, and 20 more tools to help you learn and build with AI.

Visit Vincony.com