Top 68 Chemists Jobs in Philadelphia, PA

Computational Chemist - AI Trainer
DataAnnotation —Philadelphia, PA
- $40 - $60 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Chemist
US Defense Logistics Agency —Philadelphia, PA
- $68,013 - $128,221 a year
- Part-time
- Writing skills
- Pass drug screening
- Master's degree
9d
Scientist
Syensqo —Bristol, PA
- $81,000 - $123,000 a year
- Bachelor of Science
- Ability to lift 50 pounds
- Bachelor's degree
Quick Apply
11d
Chemist
Polyrheo Inc —Philadelphia, PA
- $57,025.34 - $68,675.68 a year
- Full-time
- Mid-level
- Master's degree
- Bachelor's degree
- Relocation assistance
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Chemist Job
Arkema B.V. —King of Prussia, PA
- No experience needed
- In-person
- 1 year
- Opportunities for advancement
Analytical Chemist
Johnson Matthey —West Deptford, NJ
- $69,750 a year
- Online Application
- 1 year
- Associate's degree
- Entry level
- Disability insurance
- Health insurance
4d
Bench Scientist
Alphanumeric Systems Inc. —King of Prussia, PA
- $35.00 - $40.46 an hour
- Contract
- Mid-level
- Bachelor's degree
- Organizational skills
Quick Apply
3d
QC Chemist I
KVK Tech —Newtown, PA
- Bachelor's degree
- Cleaning
- Communication skills
- Paid holidays
- Dental insurance
Application Chemist Specialist
Cardolite —Bristol, PA
- Email
- Bachelor of Science
- Mid-level
- Bachelor's degree
Analytical Chemist I
KVK Tech —Newtown, PA
- Microsoft Word
- Bachelor's degree
- Entry level
- Paid holidays
- Dental insurance
Laboratory Analyst I
National Medical Services Inc —Horsham, PA
- Full-time
- Computer literacy
- Pass drug screening
- English
Quick Apply
10d
Postdoctoral Researcher
Drexel University —Philadelphia, PA
- $54,630 - $81,940 a year
- Full-time
- Management
- Writing skills
- Office
Formulation Development Scientist
Eurofins USA PSS Insourcing Solutions —Philadelphia, PA
- Overtime
- Bachelor of Science
- Mid-level
- Bachelor's degree
- Paid holidays
- Disability insurance
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Chemistry Data Validator / Analytical Coordinator
GHD —King of Prussia, PA
- $74,625 - $99,500 a year
- Organizational skills
- Senior level
- Communication skills
- Paid holidays
- Paid time off
Mass Spectrometrist
Children’s Hospital of Philadelphia —Philadelphia, PA
- $81,670 - $104,130 a year
- Full-time
- Computer literacy
- Master's degree
- Bachelor's degree
Quick Apply
Associate Principal Scientist
Merck —West Point, PA
- $142,400 - $224,100 a year
- Full-time
- Bachelor of Science
- 3 years
- Bachelor's degree
- Paid holidays
- Health insurance
3d
Analytical Chemist
Polysciences, Inc. —Warrington, PA
- $76,900 - $92,300 a year
- Full-time
- Microsoft Word
- Microsoft Excel
- Computer literacy
- Paid parental leave
- Paid holidays
Quick Apply
Senior Scientist
Merck —West Point, PA
- $117,000 - $184,200 a year
- Full-time
- Bachelor of Science
- Bachelor's degree
- Doctor of Philosophy
- Paid holidays
- Health insurance
4d
Organic Synthesis Job
J&W PharmLab, LLC —Levittown, PA
- From $70,500 a year
- Online Application
- Doctor of Philosophy
- In-person
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Chemist II / III
Quaker Houghton PA, Inc. —Conshohocken, PA
- Full-time
- 5 years
- Mid-level
- Master's degree
- Paid holidays
- Health insurance
Quick Apply

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Chemists jobs near Philadelphia, PA

Computational Chemist - AI Trainer

DataAnnotation -
Philadelphia, PA

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Job Details

Part-time | Full-time | Contract
$40 - $60 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 Computational Chemist - 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, up to $60 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:

2+ 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 is preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); a 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

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Chemists jobs in Philadelphia, PA

Computational Chemist - AI Trainer

Chemist

Scientist

Chemist

Chemist Job

Analytical Chemist

Bench Scientist

QC Chemist I

Application Chemist Specialist

Analytical Chemist I

Laboratory Analyst I

Postdoctoral Researcher

Formulation Development Scientist

Chemistry Data Validator / Analytical Coordinator

Mass Spectrometrist

Associate Principal Scientist

Analytical Chemist

Senior Scientist

Organic Synthesis Job

Chemist II / III

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