Software Engineer, Safety

Character AI Character AI · AI Frontier · Redwood City, CA · Technical Staff - Engineering

Software Engineer focused on the Safety Engineering team at Character.AI. This role involves designing and building front-end experiences and tooling for Trust & Safety systems, ensuring safe user interactions with AI. Responsibilities include collaborating with product, design, and Trust & Safety operations, developing AI-assisted moderation tools, and leveraging user data to improve LLMs and AI models. The role emphasizes user experience, platform reliability, and cross-functional collaboration to define industry best practices in human-to-AI interaction.

What you'd actually do

  1. Design and develop the front end experience of how users interact with our Trust and Safety systems. Balance the needs for reducing risk, improving UX and enhancing platform reliability and scalability across a host of features to build the best experience possible for users
  2. Get to know our users and usage patterns deeply to help us design innovative technical solutions that incentivize the best behaviors from our users on the platform
  3. Work with other product teams and co create modular and scalable safety design systems that enable all product features to launch safely while maintaining a high launch velocity
  4. Collaborate with the Trust & Safety team to understand moderation workflows and build tools that empower their decision-making. Help evaluate and integrate third-party solutions when needed.
  5. Work with engineers and Trust & Safety stakeholders to design interfaces and interaction models that incorporate AI-assisted moderation, ensuring smooth human-AI collaboration.
  6. Help us leverage user data and insights to improve our core LLM and other models and predictions. Create frontend systems that visualize feedback loops between moderation actions and AI training. Ensure that data insights are clearly surfaced to support safe and positive user experiences across the platform.

Skills

Required

  • Typescript
  • CSS
  • React
  • React Native
  • HTML
  • modern front end design patterns
  • consumer products
  • fast-paced development environment

Nice to have

  • Full-Stack Software Engineer
  • user experience
  • design
  • Trust & Safety
  • Legal and Product collaboration
  • privacy
  • safety
  • product needs
  • proactive
  • get things done mindset

What the JD emphasized

  • Trust & Safety
  • AI-assisted moderation
  • human-AI collaboration
  • improve our core LLM and other models

Other signals

  • AI-assisted moderation
  • human-AI collaboration
  • feedback loops between moderation actions and AI training
  • improve our core LLM and other models