Staff Research Scientist, Intern - PhD Foundational AI

: large language models, representation learning, embeddings, adaptive model training, and methods to advance fraud detection, risk modeling, personalization, and commerce intelligence.

We unite long-term scientific inquiry with practical experimentation, partnering with product and engineering teams to translate research into real-world impact.

Job Duties

• Conduct generative AI and LLM research focusing on scalable methods, model adaptation, evaluation, and applied use cases.
• Design, implement, and evaluate AI algorithms for enterprise-scale systems.
• Develop proof-of-concept prototypes to transition research into innovative products.
• Optimize workflows for model training, inference, and data pipelines.
• Prepare technical publications, reports, and intellectual property submissions.
• Collaborate with engineering, product, and cross-functional partners to deliver impactful AI solutions.

All Visa roles require

, including the ability to work with emerging technologies such as Generative AI tools ( e.g. ChatGPT, Microsoft Copilot) to support everyday work.

Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Qualifications

Basic Qualifications

• Students pursuing a Ph.D. with a graduation date in December 2027 or later

Preferred Qualifications

• Strong research record demonstrated by publications, patents, presentations, or technical contributions.
• Experience in Generative AI, LLMs, deep learning, scalable ML, fine-tuning, model evaluation, or AI agents.
• Knowledge of large-scale model training, efficient inference, or distributed systems.
• Proficiency in Python, C++, Java, or similar languages.
• Familiarity with big data frameworks (e.g., Hadoop, Spark) is a plus.
• Ability to communicate complex concepts clearly and collaborate effectively.
• Adaptability to evolving research priorities and problem-solving in an experimental setting.

U.S. APPLICANTS ONLY: The estimated hourly range for a new hire into this position is $66.00 to $73.00 which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location.

Information for US Applicants

For roles located in the US, the estimated hourly rate is $66.00 to $73.00 USD. The hourly rate may vary depending on job-related factors which may include knowledge, skills, experience, and location.

Work Hours

Varies upon the needs of the department.

Travel Requirements

This position requires travel 5-10% of the time.

Mental/Physical Requirements

This position will be performed in an office setting. The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers.

Visa is an EEO Employer

Qualified applicants will receive consideration for employment without regard to race, color religion, sex, national origin, sexual orientation, gender identity, disability or protect veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with the EEOC guidelines and applicable local law.