Job Description

Regeneron is founded on the belief that the right idea, combined with the right team, can lead to significant transformations. Our growing global network is dedicated to inventing, developing, and commercializing medicines that change lives for those with serious diseases. In doing so, we are pioneering innovative approaches to science, manufacturing, and commercialization, as well as redefining our understanding of health.


We are in search of a skilled Sr. AI/ML Engineer to enhance our dynamic team In the role of AI/ML Senior Engineer, you will focus on hands-on engineering and development work, driving the creation and implementation of artificial intelligence solutions within our various research and development projects. In the role you will work collaboratively with data scientists, researchers, and software engineers to design, develop, and deploy cutting-edge AI solutions, addressing a range of business challenges. You will be instrumental in building and maintaining machine learning models, crafting advanced algorithms, and ensuring the scalability and robustness of our AI systems.

A typical day might include the following:

Design, develop, and deploy AI models, algorithms, and solutions to analyze complex biological and pharmaceutical data. Collaborate with multi-functional teams to identify AI opportunities and contribute to project goals, requirements, and work you're doing. Create and maintain machine learning models, developing sophisticated algorithms for tasks such as image analysis, natural language processing, and predictive modeling. Enforce to standards in AI model development, deployment, and maintenance, with a focus on performance, scalability, reliability, and regulatory compliance. Stay abreast of the latest AI advancements, assessing their potential application and promoting innovation within the organization. Engage with external partners to integrate modern AI technologies and tools. Share a point of view in AI-related discussions, presenting findings and insights to stakeholders. Implement and refine powerful machine learning models and deep learning architectures. Optimize AI models for performance and reliability, considering computational and regulatory constraints. Contribute to the development of AI-related procedures, standards, and guidelines within the organization. Participate in scientific and technical discussions, communicating findings to various audiences. Develop and maintain comprehensive documentation for AI models and systems. Communicate sophisticated AI concepts to non-technical stakeholders.

This job might be for you if you:

Bachelor's, Master's, or Ph.D. degree in Computer Science, Artificial Intelligence, Data Science, or a related field. At least 2 years of experience in AI/ML engineering, preferably within the biotechnology, pharmaceutical, or healthcare industry. Hands on experience in Building LLM's/Generative AI solutions from scratch using frameworks such as Lang Chain, LangGraph, Crew Proficient programming skills in languages such as Python, R, or Java, and familiarity with software engineering practices. Practical experience in developing and deploying AI model, production-grade conversational AI systems Experience in RAG systems and knowledge base integration with LLMs Experience in Prompt engineering and techniques for improving model performance Experience in using cloud platforms (e.g., AWS, Azure, GCP) and their AI services. Excellent communication skills and the ability to collaborate optimally with multi-functional teams. Strong problem-solving skills and a results-driven approach. Understanding of regulatory compliance related to AI in the biotech and pharma industries is advantageous. Profound knowledge of machine learning algorithms, deep learning frameworks (e.g., TensorFlow, PyTorch), and statistical methods. Knowledge of natural language processing techniques and tools. Passion for keeping up-to-date with AI research and advancements. Familiarity with Agentic AI patterns: ReAct, tool use, planning strategies, memory management, etc. Familiarity with fine-tuning and training custom language models Understanding of prompt testing and evaluation frameworks Familiarity with big data technologies, such as Hadoop, Spark, or NoSQL databases.
Connect with us, so we can learn more about you, and you can learn more about our medicines. And join us in crafting the future of healthcare.



Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. We will ensure that individuals with disabilities are provided reasonable accommodations to participate in the job application process. Please contact us to discuss any accommodations you think you may need.


Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We have an inclusive and diverse culture that provides comprehensive benefits, which often include (depending on location) health and wellness programs, fitness centers, equity awards, annual bonuses, and paid time off for eligible employees at all levels!


Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. The Company will also provide reasonable accommodation to the known disabilities or chronic illnesses of an otherwise qualified applicant for employment, unless the accommodation would impose undue hardship on the operation of the Company's business.


For roles in which the hired candidate will be working in the U.S., the salary ranges provided are shown in accordance with U.S. law and apply to U.S.-based positions. For roles which will be based in Japan and/or Canada, the salary ranges are shown in accordance with the applicable local law and currency. If you are outside the U.S, Japan or Canada, please speak with your recruiter about salaries and benefits in your location.


Please note that certain background checks will form part of the recruitment process. Background checks will be conducted in accordance with the law of the country where the position is based, including the type of background checks conducted. The purpose of carrying out such checks is for Regeneron to verify certain information regarding a candidate prior to the commencement of employment such as identity, right to work, educational qualifications etc.