Research Engineer, Post-Training (All Industry Levels)
Character.AI
Research Engineer, Post-Training (All Industry Levels) at Character.AI is a full time role based in Remote · United States (remote). The listing states pay of $225k–$400k. It was published on 24 January 2024 and was open at last check.
| Role | Research Engineer, Post-Training (All Industry Levels) |
|---|---|
| Company | Character.AI |
| Location | Remote · United States (remote) |
| Employment type | Full Time |
| Pay (as listed) | $225k–$400k |
| Published | 24 January 2024 |
| Status | Open at last check |
About the role and team
Joining us as a Research Engineer on the Post-Training team, you'll be diving into the exciting world of fine-tuning AI models, optimizing their performance, and ensuring they meet the highest standards of quality and efficiency. Your work will directly contribute to our groundbreaking advancements in AI, helping shape an era where technology is not just a tool, but a companion in our daily lives. At Character.AI, your talent, creativity, and expertise will not just be valued—they will be the catalyst for change in an AI-driven future.
The Post-Training team is responsible for developing our powerful pretrained language models into intelligent, engaging, and aligned products.
As a Post-Training Researcher, you will work across teams and our technical stack to improve our model performance and training methods, including data, compute and algorithms. You will get to shape the conversational experience of millions of users per day.
What you'll do
- Develop alignment algorithms and loss functions to improve data sample efficiency.
- Write data pipelines to process diverse web data into a format models can ingest.
- Identify quality signals to understand our model’s performance in the real world.
- Design sampling algorithms to improve serving efficiency of large generative models.
Who you are
- "All Industry Levels": have at least PhD (or equivalent)
- Write clear and clean production-facing and training code
- Experience working with GPUs (training, serving, debugging)
- Experience with data pipelines and data infrastructure
- Strong understanding of modern machine learning techniques (reinforcement learning, transformers, etc)
- Track-record of exceptional research or creative applied ML projects
Nice to Have
- Experience with product experimentation and A/B testing
- Experience training large models in a distributed setting
- Familiarity with ML deployment and orchestration (Kubernetes, Docker, cloud)
- Publications in relevant academic journals or conferences in the field of machine learning
About Character.AI
Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures.
In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.
Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!
At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.
Create your free OnJob profile to apply — we'll take you to Character.AI's application after sign-up. · Posted 24 Jan 2024.
Research Engineer, Post-Training (All Industry Levels) at Character.AI — questions answered
What does the Research Engineer, Post-Training (All Industry Levels) role at Character.AI pay?
The Research Engineer, Post-Training (All Industry Levels) at Character.AI listing states pay of $225k–$400k for the Remote · United States (remote) position. That figure is taken directly from the employer's own posting as published, not estimated or averaged from other roles.
Is the Research Engineer, Post-Training (All Industry Levels) role at Character.AI remote?
Yes — Character.AI advertises this Research Engineer, Post-Training (All Industry Levels) role as remote, tied to Remote · United States, and it is listed as full time work. Remote terms come from the employer's own posting, so confirm the expected working hours, timezone and any on-site days with Character.AI before you apply.
Is the Research Engineer, Post-Training (All Industry Levels) role at Character.AI still open?
The Research Engineer, Post-Training (All Industry Levels) posting at Character.AI was open at OnJob's last check of the employer's careers page, having been published on 24 January 2024. OnJob re-checks source listings on each build and marks a role closed once it disappears, but listings can close without notice, so the employer's own page is the final word.
How do you apply for the Research Engineer, Post-Training (All Industry Levels) role at Character.AI?
Apply to the Research Engineer, Post-Training (All Industry Levels) at Character.AI role through OnJob with a free profile: OnJob scores your fit against the listing, shows the skills lowering that score, and submits an ATS-ready profile to Character.AI's own application page. Creating a profile is free and needs no card.
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