Senior Applied AI Scientist — Health & Investment Data

RA Capital Management, LLC; Boston (MA); Hybrid; USD 140,000 - 180,000; Full time

Benefits offered by this job

Health insurance

Retirement contributions

Paid time off

Job summary

RA Capital Management is seeking a Senior Applied AI Scientist to design and implement AI-driven systems that transform unstructured healthcare, scientific, and financial information into structured, usable insights for investment research.

This hands-on role owns projects from problem definition through deployment, collaborating with investment professionals and stakeholders in a hybrid Boston-based setup.

Qualifications

• Bachelor’s or advanced degree in computer science, data science, engineering, statistics, applied mathematics, computational biology, or another related quantitative field.
• At least 4 years of professional experience in applied machine learning, data science, software engineering, data engineering, or a related discipline, including at least 2 years working with NLP, information-retrieval, or LLM-based systems.
• Hands-on experience with NLP workflows, knowledge graphs, vector databases, embedding-based retrieval, entity extraction and linking, RAG, or agentic AI systems.
• Experience taking AI or machine-learning solutions beyond initial prototyping, including testing, deployment, evaluation, or ongoing improvement.
• Strong Python and SQL skills, along with familiarity with software-engineering practices such as version control, testing, and documentation.
• Strong understanding of AI and machine-learning fundamentals, evaluation methods, and the limitations of LLM-based systems.
• Ability to independently structure ambiguous problems and communicate complex findings clearly to senior stakeholders.
• Must be authorized to work in the United States without current or future sponsorship or transfer of sponsorship.
• Must be based in Massachusetts or willing to relocate and able to work a hybrid schedule from RA Capital’s Boston office.

Responsibilities

• Design and build systems that transform unstructured healthcare, scientific, and financial information into structured, usable insights.
• Develop and deploy AI-driven workflows using approaches such as NLP, retrieval-augmented generation, knowledge graphs, embeddings, entity extraction, and agentic systems.
• Own applied AI projects from problem definition and prototyping through deployment, evaluation, and iteration.
• Develop benchmarks and evaluation frameworks to assess accuracy, relevance, reliability, and potential failure modes.
• Partner with investment professionals and other stakeholders to identify high-value use cases and incorporate findings into investment research and decision-making.
• Translate complex healthcare, financial, and analytical information into clear narratives, tools, and visualizations for technical and nontechnical audiences.
• Help establish best practices for data quality, testing, documentation, reproducibility, and responsible AI use.

Skills

Python

SQL

NLP workflows

Information retrieval

Communication of complex findings

Education

Bachelor’s or advanced degree in a quantitative/technical field

Tools

Spark

PySpark

Cloud-based AI platforms

Production data pipelines

Version control

Testing

Job description

RA Capital Management is seeking a Senior Applied AI Scientist to design and implement AI-driven systems that transform unstructured healthcare, scientific, and financial information into structured, usable insights for investment research.

This hands-on role owns projects from problem definition through deployment, collaborating with investment professionals and stakeholders in a hybrid Boston-based setup.