Character.AI is seeking a Senior Software Engineer for the Safety & Integrity team to design, build, and scale backend systems that leverage machine learning models to detect harmful content and model misuse.
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This listing was closed on Aug 19, 2026.
Browse Open JobsSoftware Engineer, Backend/Applied ML (Safety & Integrity)
Summary by AIEngineer.careers
Software Engineer, Backend/Applied ML (Safety & Integrity) is a AI Security Engineer role (full-time). with Character.AI. in SAN FRANCISCO, US. Imported listing (source: hirevector.liveblog365.com). Apply on the employer's site (hirevector.liveblog365.com).
Imported listing (source: hirevector.liveblog365.com) · Apply on hirevector.liveblog365.com
SAN FRANCISCO · US
—
Full-time
SENIOR
The sections below reproduce the third-party job description for reference. AIEngineer.careers does not write or control this text.
Imported job description
Sourced from hirevector.liveblog365.com
Responsibilities
- Design and build scalable backend systems for safety and integrity
- Implement and deploy machine learning models for detecting harmful content and misuse
Requirements
- 8+ years of software engineering experience
- Strong background in backend systems and applied machine learning
Tech Stack
Machine LearningBackend Systems
Character.AI
Redwood City · US · 314+ employees
Character.AI is a leading artificial intelligence company that provides an open-ended conversational platform. It allows users to create, interact with, and share AI-driven characters for entertainment, storytelling, and creative expression.
