Hiring.Camp

Principal Research Engineer, Post-Training

Character AI

·

Jun 22, 2026

✨ Tailor ResumeApply
Salary
$275k – $400k/yr
Location
Redwood City, CA
Type
Full-time
Department
Technical Staff - ML
Seniority
Lead
Education
PhD
Source
Ashby

Skills

DockerKubernetesMachine Learning

Similar Jobs

30

Principal Research Engineer

STI GmbH·Hawthorne, California

1y+ ago

HPE Labs - Principal Research Engineer - HPE Quantum

Hewlett Packard Enterprise (HP)·Milpitas, California·Hybrid

1w ago

HPE Labs - Principal Research Engineer - HPE Quantum

Hewlett Packard Enterprise (HP)·Milpitas, California·Hybrid

1w ago

HPE Labs - Principal Research Engineer - HPE Quantum

Hewlett Packard Enterprise (HP)·Milpitas, California·Hybrid

1w ago

Principal Research Engineer Ai Systems Deepmind

Accounts·Remote

Staff / Principal Research Engineer, AI Safety Mitigations

Lila Sciences·Cambridge, England

3w ago

Principal Research Engineer - Materials Discovery Research Institute

Ulse·Skokie, Illinois

1mo ago

Lead Applied AI Research Engineer - Principal Consultant

Winfo Solutions·Hyderabad, Telangana +1·Onsite

1mo ago

Principal Research Engineer, Model Training & Post-Training

Inflection AI·Palo Alto, California·Remote, Hybrid

4mo ago

Research Principal Engineer, Machine Learning

Us Waters·Cambridge, Massachusetts +1

7mo ago

Principal Research Engineer - RL Gyms

Turing·New York City, New York +1

1y+ ago

Principal Research Engineer - Code

Turing·New York City, New York

1y+ ago

Principal Engineer Ai Research And Development

Google·Remote

Principal / Sr. Principal Research & Development Engineer – Advanced Sensors & Precision Instrumentation

Northrop Grumman·US·Onsite

1d ago

Senior Principal AI Research Engineer

Pfizer·New York City, New York +1

5d ago

Senior Principal AI Research Engineer

Pfizer·New York City, New York +1

5d ago

Senior Principal AI Research Engineer

Pfizer·New York City, New York +1

5d ago

Sr. Executive Research Recruiter, Principal Engineer Recruiting Team

Amazon Company

Principal Operations Research Engineer

RTX·McKinney, Texas·Onsite

2w ago

Executive Director - Quantitative Research Principal Software Engineer

JP Morgan Chase·Jersey City, New Jersey

1mo ago

Executive Director - Quantitative Research Principal Software Engineer

JP Morgan Chase·Jersey City, New Jersey

1mo ago

Principal/Senior Research Engineer- Sensor Application Technology Planning

Huaweiresearchcentergermanyaustria·Munich, Bavaria

1mo ago

Principal Applied Research Engineer, Content Authenticity

Nvidia·Santa Clara, California

2mo ago

Principal Applied Research Engineer, Content Authenticity

Nvidia·Santa Clara, California

2mo ago

Principal AI Research Engineer

Archer56·San Jose, California

6mo ago

Sr Research Engineer-Project Principal Investigator

SRI·Ann Arbor, Michigan·Remote, Onsite

6mo ago

Principal AI Research Engineer - World Models

Reflex Robotics·NYC·Onsite

1y+ ago

Principal AI Research Engineer - RL

Reflex Robotics·NYC·Onsite

1y+ ago

Principal, Applied AI Research Engineer, Robotics

Where passion meets excellence·East Palo Alto, California·Remote, Hybrid

1d ago

Principal Senior Vulnerability Research Engineer (Onsite)

NW·Maryland, US·Onsite

3w ago