About the role#
We are looking for an intern to help our team develop and evaluate foundation models. You will work alongside machine learning engineers, gain experience with model training and fine-tuning, and own a focused project with clear deliverables.
What you'll do#
- Reproduce baseline results and understand our models, datasets, and evaluation workflows.
- Implement and evaluate improvements in fine-tuning, data quality, or inference efficiency.
- Run controlled experiments and analyze model performance, computational cost, and failure cases.
- Contribute reusable code, evaluation tools, and technical documentation.
- Present your findings and recommendations to the team.
What you'll need#
- Strong Python programming skills and familiarity with PyTorch or a similar framework.
- Understanding of machine learning fundamentals, deep learning, and transformer architectures.
- Experience with an ML project through coursework, research, or personal work.
- Ability to debug problems, interpret experimental results, and communicate clearly.
- Curiosity, initiative, and a willingness to learn.
- Experience working with pretrained models and tools such as Hugging Face Transformers.
- Experience fine-tuning models, preparing datasets, or building evaluation pipelines.
- Experience using GPUs, Linux, Git, and experiment tracking tools.
Location & details#
- This is a full-time, paid internship based on-site in San Francisco, California.
- The term is rolling.
About 42dot
42dot develops software and artificial intelligence for autonomous urban transportation systems. The company focuses on software-defined vehicles and mobility services. Founded in 2019, it maintains operations in Seongnam-si. The organization employs over 900 people.
How to get in at 42dot
Applying early to 42dot gives you a distinct advantage because recruiters review applications before the volume becomes unmanageable. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first. This helps you get your materials seen before the pile grows. Reaching out to the right person often beats applying into a general queue. Intern Insider surfaces the recruiters behind the company's roles so you can reach out directly to ask about the role or a referral. This approach materially improves response rates compared to standard submissions.



