Research Scientist - Machine Learning
Extropic
Boston, MA · $150k–$250k a year · Posted April 22, 2026
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Where Boston, MA ranks
Where Boston, MA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for life sciences and biotech jobs793 openings · of 41
- #1Cities with the most jobs that do not need a four-year degree in New England390 jobs · of 14
- #1Best cities for AI-skill jobs in New England21% · of 28
- #1Best cities for software and engineering jobs in New England910 openings · of 24
- #1Best all-round cities for mid-career professionals in the Northeast71 / 100 · of 26
- #1Best all-round cities for mid-career professionals in New England71 / 100 · of 11
Rankings about data & analytics jobs
- Best cities for data and analytics jobs #1 New York (1,713 openings)
- Best cities for data and analytics pay after cost of living #1 Foster ($232k)
- Most requested AI skills in data and analytics jobs #1 Machine learning engineering (17.1%)
- AI tools named most often in data and analytics jobs #1 Databricks (7.6%)
- Employers with the most data and analytics jobs #1 Amazon (711 roles)
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Pay compared with the market
This listing pays about $200,000 a year. Across 62 open research scientist listings that state pay, the middle half runs $195,500 to $300,000 and the median is $239,500. That is inside the middle half of those listings, 16% below the median.
Listed pay is what employers advertise, not what people are paid.
How AI is used in this kind of work
Among computer and information research scientists, AI is already used for a large share of the tasks. Measured exposure for computer and information research scientists: 34% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Extropic’s hardware massively accelerates certain kinds of probabilistic inference. Our ML team works on the science of training models in the thermodynamic paradigm, and we are looking for senior research and engineering talent to derive probabilistic ML theory, empirically demonstrate its scaling properties, and deploy performant models. Senior hires will be leading their own research direction and are therefore expected to quickly become experts across our abstraction stack, including the hardware, software, physics, and math.
RESPONSIBILITIES
- Collaborate with senior researchers, residents, engineers, and physicists to derive the theory of new probabilistic models and their learning rules, including energy-based models and diffusion models
- Scale up experimentation infrastructure and optimize over the design space of models
- Implement, visualize, and evaluate new architectures, training algorithms, and benchmarks
- Publish papers, contribute to open source, and communicate design insights to our hardware team
- Create production models for domain experts using customer data
REQUIRED QUALIFICATIONS
- Experience in scientific Python and at least one deep learning framework (PyTorch, JAX, TensorFlow, Keras)
- Extremely strong foundations in probability and linear algebra
- Familiarity with deep learning theory and literature, including theory of over-parameterization and scaling laws
- Publications in top ML conferences (NeurIPS, ICML, ICLR, CVPR)
- Experience training high-performance models, including familiarity with infrastructure (Slurm, Ray, Weights & Biases)
- Experience deploying models, including familiarity with infrastructure (Ray, AWS, ONNX)
PREFERRED QUALIFICATIONS
- Experience designing probabilistic graphical models (PGM)
- Experience training energy-based models (EBMs) or diffusion models
- Experience with numerical methods in diffeq solvers
- Experience with message passing or training graph neural networks (GNNs)
- Strong theoretical background in information geometry
- Strong theoretical background in random matrix theory
- Strong grasp of computational Bayesian methods, including MCMC sampling methods and variational inference
This position will require access to information subject to control under U.S. export control laws and regulations, including the Export Administration Regulations (“EAR”). Please note that any offer for employment will be conditioned on authorization to receive controlled items.