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ML Scientist

Pay
$200,000–250,000/yearAnnual period assumed — pay source
We are a Boston-based company, and expect employees to meet regularly in-person in Boston (employees from Boston, NYC, or east coast are welcome). Expected compensation range for this role is $200,000-250,000, in addition to stock options. Compensation is dependent on experience, overall fit to our role, and candidate location. Expected compensation ranges for this role may change over time. If your compensation requirement is greater than our posted salary ranges, please still consider applying to our role. We will make a determination as to whether an exception can be made. If you are excited about this role, we encourage you to apply even if you don't feel that you meet every single requirement. We're eager to meet people that believe in our mission and can contribute to our team in a variety of ways. We welcome diverse perspectives, rigorous thinking, and fearlessness in challenging the status quo.
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Work setting
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Employment
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What you’ll work on

Full posting
  • Design and implement state-of-the-art ML techniques for information extraction and summarization

  • Propose agentic methods for multi-document, long-context, and multimodal problems

  • Build foundation models for clinical information extraction and synthesis, from training through inference

  • Work with the engineering team to ship performant products that meet user needs

  • Keep up with and engage in cutting-edge NLP, generative AI, and clinical ML research

From the employer’s posting
Design and implement state-of-the-art machine learning techniques to advance Layer Health’s research agenda
Propose new agentic methods that tackle fundamental NLP and ML challenges such as modeling over multiple documents, long contexts, multiple modalities
Build foundation models to power the future of clinical information extraction & synthesis, from training through inference.
Collaborate with the broader engineering team to ship performant products that meet user needs.
Stay up-to-date and actively engage with cutting-edge research in NLP, generative AI, and clinical machine learning.
Education & alternatives
- Exceptional methodological research background and experience, including but not limited to: - A PhD in computer science/applied mathematics or equivalent research experience, specializing in natural language processing and machine learning. - High-impact, early-author publications at top peer-reviewed ML journals/conferences.
Apply at Layer Health

Posting record

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Open 5 monthsWe first saw this posting 155 days ago and it is still up. Roles open this long are often slow to fill or kept open to collect applications.

Status in our records
Live
First seen by us
Jun 2, 2026155 days ago
Recorded sightings
41
Last seen by us
Nov 4, 2026
Employer says posted
Nov 17, 2025

These dates show when we found the posting. Check the employer’s website to confirm it is still accepting applications.

How this job compares

Time since we first saw it

Day 155

Up longer than most. Similar jobs usually come down between day 7 and day 55.

From 10,019 similar postings that came down. Coming down is not always a hire.

Layer Health is hiring

5 open jobs

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  • Takes jobs down at a usual pace
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Where the posting names them
- Demonstrated record of delivering real-world impact from start to finish– with the ability to design, develop, and ship innovations. - Strong programming skills and fluency with modern machine learning/LLM stacks (deep learning libraries e.g. PyTorch, Jax). - Past experience in training/inference of foundation models (billions of parameters, distributed training, familiarity with state-of-the-art techniques).

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About the role

We file this job under Data Scientist, by the work the posting describes.

Data scientists use statistics and models to answer harder questions, such as whether a change worked, what demand will look like next quarter, or which customers are likely to leave.

Postings usually ask for Python or R, SQL, statistics, experiment design and common machine learning methods.

Unlike an ML engineer, a data scientist's main output is often an analysis or a first model, not software running inside a product.

US government figures for data scientists

Median yearly pay, May 2025
$120,230
Expected change, 2025 to 2035
34.6% more jobsagainst 3.5% for all jobs

Source: US Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2025) and Employment Projections (2025 to 2035). Occupation code 15-2051.

Job description

View original posting ↗

Layer Health was founded in 2023 by leading machine learning researchers from MIT and Harvard Medical School. We are building an AI layer that can accurately and scalably synthesize information from medical records, with the mission to reduce friction everywhere in healthcare. Our LLM-powered platform is solving chart review once and for all, across use cases. For health systems, our first product dramatically accelerates clinical registry abstraction in areas ranging from surgery and cardiology, to oncology. Our long term vision is for our AI layer to safely transform patient care and minimize unnecessary heartbreak. Layer Health’s diverse founding team brings expertise across machine learning, UI/UX, large language models, and medicine.

We’re seeking outstanding hires to join our team as early members. This is an opportunity to contribute to a high-impact, collaborative, mission-driven team, and help define the next stage of growth for Layer Health. Together, we will create the AI layer that will redefine healthcare for the better.

Here’s a collection of articles about our product, mission, recent funding round, etc.

 

Job Description

We’re hiring an exceptional ML scientist. In this role, you will be responsible for pioneering innovative machine learning techniques to advance our fundamental clinical machine learning and large language model efforts.

You can expect to:

  • Design and implement state-of-the-art machine learning techniques to advance Layer Health’s research agenda (in areas such as information extraction, multimodal reasoning, and summarization).
  • Propose new agentic methods that tackle fundamental NLP and ML challenges such as modeling over multiple documents, long contexts, multiple modalities, and with limited or noisy labels  
  • Build foundation models to power the future of clinical information extraction & synthesis, from training through inference. 
  • Stay up-to-date and actively engage with cutting-edge research in NLP, generative AI, and clinical machine learning.
  • Collaborate with the broader engineering team to ship performant products that meet user needs.
  • Cultivate and foster a robust and thoughtful R&D culture that drives the company forward.

We look for:

  • Exceptional methodological research background and experience, including but not limited to:
    • A PhD in computer science/applied mathematics or equivalent research experience, specializing in natural language processing and machine learning.
    • High-impact, early-author publications at top peer-reviewed ML journals/conferences.
  • Demonstrated record of delivering real-world impact from start to finish– with the ability to design, develop, and ship innovations.
  • Strong programming skills and fluency with modern machine learning/LLM stacks (deep learning libraries e.g. PyTorch, Jax).
  • Past experience in training/inference of foundation models (billions of parameters, distributed training, familiarity with state-of-the-art techniques).
  • A strong communicator who thrives in a customer-focused, fast-paced environment.
  • An excited and adaptable team player who wants to disrupt the healthcare industry with AI/ML, alongside an awesome team. 
  • Past experience in healthcare of life sciences is a plus, but not required.
  • We are a Boston-based company, and expect employees to meet regularly in-person in Boston (employees from Boston, NYC, or east coast are welcome).

 

Expected compensation range for this role is $200,000-250,000, in addition to stock options. Compensation is dependent on experience, overall fit to our role, and candidate location. Expected compensation ranges for this role may change over time. If your compensation requirement is greater than our posted salary ranges, please still consider applying to our role. We will make a determination as to whether an exception can be made. 

If you are excited about this role, we encourage you to apply even if you don't feel that you meet every single requirement. We're eager to meet people that believe in our mission and can contribute to our team in a variety of ways. We welcome diverse perspectives, rigorous thinking, and fearlessness in challenging the status quo. 

Layer Health is committed to fostering an environment of inclusion that is free from discrimination.  We are an Equal Opportunity Employer where employment is decided on the basis of qualifications, merit, and business need. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected Veteran status, or any other characteristic protected by law.

Join us and help us transform healthcare with AI.

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Pay
We are a Boston-based company, and expect employees to meet regularly in-person in Boston (employees from Boston, NYC, or east coast are welcome). Expected compensation range for this role is $200,000-250,000, in addition to stock options. Compensation is dependent on experience, overall fit to our role, and candidate location. Expected compensation ranges for this role may change over time. If your compensation requirement is greater than our posted salary ranges, please still consider applying to our role. We will make a determination as to whether an exception can be made. If you are excited about this role, we encourage you to apply even if you don't feel that you meet every single requirement. We're eager to meet people that believe in our mission and can contribute to our team in a variety of ways. We welcome diverse perspectives, rigorous thinking, and fearlessness in challenging the status quo.
Location & working pattern

Boston or NYC

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