Top 359 Research fellow Jobs in Lexington, Ma

ML Research Scientist - AI Trainer
DataAnnotation —Newton, MA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Physician Assistant - Asthma Research
The Brigham and Women's Hospital, Inc. —Boston, MA
- $126,838.40 - $173,867.20 a year
- Full-time
- Surgery
- Inpatient
- Master's degree
- Opportunities for advancement
Quick Apply
Senior Research Scientist – Battery and Data Center Safety
FM —Norwood, MA
- $121,000 - $173,000 a year
- Full-time
- Math
- Doctor of Philosophy
- Senior level
- 401(k)
- Tuition reimbursement
Senior Research Scientist –Flammability and Fire Dynamics
FM —Norwood, MA
- $121,000 - $173,000 a year
- Full-time
- Math
- Doctor of Philosophy
- Senior level
- 401(k)
- Tuition reimbursement
Stem Cell Research Scientist
Vertex Pharmaceuticals —Boston, MA
- $104,200 - $156,200 a year
- Full-time
- Master's degree
- Bachelor's degree
- Doctor of Philosophy
- Loan repayment program
- Health insurance
Senior Research Scientist - AI Trainer
DataAnnotation —Lynn, MA
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- Writing skills
- English
- Flexible schedule
Quick Apply
Research Scientist
Yoh, A Day & Zimmermann Company —Waltham, MA
- $40 - $45 an hour
- 8 hour shift
- Mid-level
- 3 years
- Master's degree
- Health savings account
- Disability insurance
Quick Apply
Toxicology Research Scientist
Vertex Pharmaceuticals —Boston, MA
- $101,600 - $152,400 a year
- Full-time
- Writing skills
- Master's degree
- Bachelor's degree
- Loan repayment program
- Health insurance
Research Technician
AllSTEM Connections —Northborough, MA
- $22 - $25 an hour
- Contract
- Mid-level
- Continuous improvement
- In-person
- Health insurance
- Dental insurance
Quick Apply
14h
Analytical Principal Research Scientist
Vertex Pharmaceuticals —Boston, MA
- $140,800 - $211,200 a year
- Full-time
- Writing skills
- Master's degree
- Bachelor's degree
- Loan repayment program
- Health insurance
Research Technician - R&D
Connexion Systems and Engineering, Inc. —Northborough, MA
- $20 - $25 an hour
- Full-time
- Mid-level
- High school diploma or GED
- In-person
- Health insurance
- Dental insurance
Quick Apply
10h
Small Molecule - Analytical Chemistry Research Scientist (Contract)
Vertex Pharmaceuticals —Boston, MA
- $46 - $52 an hour
- Temporary
- Mid-level
- Master's degree
- Analysis skills
Research Fellow, PGY0
The Brigham and Women's Hospital, Inc. —Boston, MA
- Full-time
- Hospital
- Experience equivalent to degree accepted
- Entry level
Quick Apply
2d
Research Fellow, Boston EMS
Boston Public Health Commission —Boston, MA
- $20 - $30 an hour
- Monday to Friday
- SQL
- Quality control
- Python
Research Fellow, Center for Climate and Health, Boston University School of Public Health
Boston University —Boston, MA
- Full-time
- Mid-level
- 3 years
- University
research fellow
Beth Israel Lahey Health —Boston, MA
- $60,320.00 - $90,001.60 a year
- Full-time
- Medicine
- Hospital
- Customer service
Scientist, Neuromuscular Research
Biogen —Cambridge, MA
- $111,000 - $144,000 a year
- Full-time
- Doctor of Philosophy
- Communication skills
- Entry level
- Paid parental leave
- Employee stock purchase plan
10d
Research Fellow, Community Health Services, School of Public Health
Boston University —Boston, MA
- Spanish
- English
- Clinic experience
Formulation/Research Scientist
Apogee Technology —Norwood, MA
- Email
- Bachelor of Science
- Mid-level
- Bachelor's degree
BFT - Research Assistant for The Mucosal Immunology and Biology Research Center
The General Hospital Corporation —Somerville, MA
- $20.16 - $29.01 an hour
- Part-time
- Microsoft Outlook
- Word processing
- Computer literacy
- Opportunities for advancement
Quick Apply

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research fellow jobs near lexington, ma

ML Research Scientist - AI Trainer

DataAnnotation -
Newton, MA

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Job Details

Part-time | Full-time | Contract
$50 - $100 an hour

Benefits

Flexible schedule

Qualifications

Software coding
Design of experiments
English
Providing code feedback

Full Job Description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing ML Research Scientist - AI Trainer to help train AI models. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in.

You'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field, if you think rigorously about data and models, your skills are directly applicable here. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass, you'll receive an email confirmation, and paid work will become available on our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with bonus rates available on some projects.
Impact: help shape the future of AI systems built to reason about data and analytics.

Responsibilities:

Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
Design and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inference.
Write clear technical explanations and well-documented analytical code.
Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Qualifications:

3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD) is a plus.
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise).

Note: Payment is made via PayPal. We will never ask for any money from you. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

Quick Apply

Refine Your Search

research fellow jobs in lexington, ma

ML Research Scientist - AI Trainer

Physician Assistant - Asthma Research

Senior Research Scientist – Battery and Data Center Safety

Senior Research Scientist –Flammability and Fire Dynamics

Stem Cell Research Scientist

Senior Research Scientist - AI Trainer

Research Scientist

Toxicology Research Scientist

Research Technician

Analytical Principal Research Scientist

Research Technician - R&D

Small Molecule - Analytical Chemistry Research Scientist (Contract)

Research Fellow, PGY0

Research Fellow, Boston EMS

Research Fellow, Center for Climate and Health, Boston University School of Public Health

research fellow

Scientist, Neuromuscular Research

Research Fellow, Community Health Services, School of Public Health

Formulation/Research Scientist

BFT - Research Assistant for The Mucosal Immunology and Biology Research Center

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