Principal AI Researcher

Role

We are seeking a talented Principal AI Researcher to join us as part of the Research group  this role, you will be at the heart of our mission and contribute to solving problems related to search, relevance, verification, reasoning, and more. If you are passionate about solving hard problems, making a difference, and creating a fairer digital ecosystem, we want to hear from you!

• Conceptualize and execute pioneering AI research for Pro Rata
• Design algorithms and implement advanced AI techniques.
• Explore new methodologies to enhance AI technology and existing algorithms.
• Work with cross-functional teams, including data scientists and software developers.
• Mentor junior team members and contribute to collaborative learning.
• Utilize modern machine learning tools, run experiments, and write code.
• Implement machine learning algorithms and AI tools within research opportunities.
• Transform ideas into prototypes and products, building necessary infrastructure with the team.

• PhD or equivalent experience in Computer Science, AI, or a related technical field
• Strong programming skills and proficiency in commonly used ML languages such as Python, and ML and data science libraries, such as, Pandas, PyTorch, and Hugging Face.
• Familiarity with advanced AI methods such as Transformer models, diffusion models, graph neural networks, and foundation models.
• Deep understanding of theory and application of Large Language Models (LLMs). For example, understanding of prompting, fine-tuning techniques, retrieval-augmented generation, evaluation, etc. Experience with data science techniques like feature engineering, model selection, and hyperparameter tuning.
• Demonstrated ability to conduct machine learning research studies. For example, publications in top-tier AI conferences such as NeurIPS, ICML, CVPR, ICLR, ACL, or NAACL.
• Critical and creative thinking to tackle complex challenges.
• Strong collaboration and communication skills.
• Passion for our mission at Pro Rata.

Location:

This position is Onsite. This role is based at our Bellevue, WA office location, and employees are expected to work on-site during regular business hours.

The compensation for this position will be competitive and commensurate with experience. The estimated salary range for this role is230, USD.

• Opportunity to work at the forefront of AI technology
• Collaborative and innovative work environment
• Competitive salary and benefits package
• Professional development and growth opportunities
• Chance to make a significant impact on the company's success

• Pro Rata is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment decisions are based on qualifications, merit, and business needs.

• At-Will Employment:
  Employment at Prorata
  
  AI is at-will. This means that either the employee or the employer may terminate employment at any time, with or without cause or prior notice.
• Salary Disclosure:
  In compliance with California law, salary information is provided to ensure transparency and fairness.
• California Consumer Privacy Act (CCPA):
  Prorata
  
  AI complies with the CCPA. Personal information collected during the recruitment process will be used for employment purposes only.

* This open position is not eligible for Company sponsorship of a visa that would require a new H-1B visa petition that is subject to the $100,000 payment requirement announced in the Presidential Proclamation titled “Restriction on Entry of Certain Nonimmigrant Workers,” dated September 19, 2025 (or any extensions or modifications of the Proclamation).