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Top Freelance Data Collection Experts for Hire

Moeketsi S.

An applied chemistry graduate with strong statistical and math background, proficient office 365 and a python beginner
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USD 10/hr
Bsc Chemical Technology
Lesotho

I completed my Bsc. Chemical Technology at the National University of Lesotho in 2025, while there I was employed as a Chemistry Student Labora...

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USD 10/hr
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Dr. Francesca P.

Environmental Science Researcher (PhD) with expertise in geochemistry
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USD 25/hr
PhD in Earth Science
Italy

Environmental scientist with a passion for travel and outdoor activities. My main research and professional interests are trace metal geochemis...

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USD 25/hr
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Nikita K.

Freelance Researcher | AI, Bioinformatics, Digital Biomarkers & Wearable Data Analytics for Healthcare
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USD 50/hr
Masters (Science)
Germany

I am a freelance researcher and data scientist specializing in bioinformatics, digital biomarkers, wearable data analytics, and precision healt...

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USD 50/hr
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Dr. Melissa M.

Freelance Statistician & Data Scientist | Expert in R & MATLAB | Background in Neuroscience Research
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USD 40/hr
PhD in Cognitive Neuroscience
United States

Data scientist and researcher with 10+ years of experience in healthcare analytics and program evaluation, behavioral research, and data scienc...

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USD 40/hr
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Christina P.

Data Scientist with Biotech background
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USD 30/hr
MASTER IN BIOECONOMY
Germany

I specialize in transforming complex data into actionable insights through a full-stack data approach. My experience spans across: Data Mining...

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USD 30/hr
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Dr. Matthew L.

Quantitative Research Consultant | Expert in SEM, Longitudinal & Latent Class Models | Mplus, R, SAS, SPSS, Excel
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USD 65/hr
PhD in Clinical Psychology
United States

I hold a PhD in Clinical Psychology with advanced training in research methodology and statistical analysis. Over the past 10 years, I have wor...

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USD 65/hr
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Dr. Gayathri K.

Clinical Nutritionist & Researcher (PCOS & Gut Health) | Product Development Specialist | Scientific Writer &...
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USD 55/hr
PhD
India

I am a PhD-qualified Clinical Nutritionist and Researcher with extensive experience in PCOS, gut health, and metabolic disorders. Over the year...

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USD 55/hr
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Naser A.

Biostatistician | Data analyst | Statistical programmer | Shiny app developer
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USD 8/hr
MSC in Biostatistics
Iran

A seasoned Public Health Data Analyst with an MSc in Biostatistics and over 12 ye...transforming complex data into actionable public health insights....

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USD 8/hr
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Dr. Md Shahin I.

Agricultural Scientist | Data Analysts | Scientific Writing
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USD 20/hr
PhD
Bangladesh

Data Analyst & Consultant | Scientific Writer | Bioinformatics & Agricultural Expert I'm a PhD-qualified researcher with over a de...

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USD 20/hr
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Jilves J.

Agricultural researcher skilled in data analytics, crop modeling, DSS, GIS, and crop production systems.
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USD 14/hr
PhD, Agricultural System and Engineering
Philippines

Expert in R, SPSS, STAR and Excel. Knowledgeable in Crop modelling (APSIM and AQUACROP)

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USD 14/hr
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Debojit B.

Self taught Data Scientist and Machine Learning engineer with proven record in research
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USD 80/hr
Masters of Science
Bangladesh

I have Bachelor's and Master's in mathematics with research and project based experience in data science and machine leanring.

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USD 80/hr
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Nafiseh J.

AI & Computer Vision Researcher | Expert in Python, Deep Learning & Scientific Writing
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USD 20/hr
MSc in Computer Science and Engineering
France

I am a computer and AI engineer with strong experience in academic and applied research across computer vision, AI. robotics, and embedded syst...

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USD 20/hr
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David G.

Freelance Data Storyteller & Visualization | Helping researchers & orgs communicate science | 15+ years experien...
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USD 100/hr
Ph.D.
United States

I’m an environmental and data scientist with 15+ years experience helping researchers, companies, and organizations communicate their findings ...

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USD 100/hr
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Matthew Iwada E.

Freelance Statistician - Data Analyst - Data Scientist - Computaional Analyst - Statistical Programmer R, Python, Stata
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USD 56/hr
PhD
Germany

Dr. Matthew Iwada Ekum is a statistician and lecturer at Lagos State University of Science and Technology (LASUSTECH), Nigeria, where he also s...

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USD 56/hr
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Dr. Tommaso R.

Muscle Metabolism & Aging Specialist | PhD Research Scientist
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USD 19/hr
PhD in Food, Health and Longevity
Italy

I am a Researcher with a PhD in Food, Health, and Longevity with experience in muscle biology, cellular metabolism, mitochondrial function, oxi...

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USD 19/hr
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Lei Z.

Expert in human movement and physiological data analysis
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USD 30/hr
Dr.
Germany

Possesses over a decade of interdisciplinary research experience at the intersection of medicine and computer science, focusing on human motor ...

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USD 30/hr
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Dr. Michael A.

Harvard-Trained | MD & MPH | Expert in Medical Research, Clinical Trials, Academic Consulting & Healthcare Innov...
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USD 40/hr
MPH
United States

I am a Harvard-trained clinical researcher and medical writer (MD, MPH) with over 10+ years of experience in academic publishing, clinical tria...

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USD 40/hr
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Dr. Jayanthi R.

AI & Neural Network Developer
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USD 25/hr
PhD in Electrical Engineering
Canada

Neural networks & Deep Learning: Designing and implementing PyTorch-based models for computer vision, super-resolution, and other AI applic...

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USD 25/hr
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Dr. Muddassar M.

PhD in Economics & Finance | Risk Governance, Performance, & Regulatory Strategy Expert | 15+ Years Experience
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USD 100/hr
PhD in Economics and Finance
United States

I am Dr. Muddassar Malik, a PhD in Economics & Finance with over 15 years of international experience in financial research, risk governanc...

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USD 100/hr
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Dr. Omar F.

PhD Epidemiologist | Biostatistics, Systematic Reviews, Data Analysis (R/SPSS), Scientific Writing, and Research Design
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USD 70/hr
PhD Epidemiology
United States

I am an Epidemiologist with a PhD, MSc in Epidemiology, MPH, and MBBS, providing expertise in research methodology, biostatistics, disease surv...

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USD 70/hr
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Dr. Kierstyn S.

Microbiologist & R&D program manager | Infectious disease, epidemiological modeling, data analysis & grants ...
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USD 70/hr
Ph.D in Microbiology
United States

I am a microbiologist and program manager with 15+ years of experience in life sciences and biotech, specializing in infectious disease, epidem...

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USD 70/hr
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Urvi P.

Biomedical Research Scientist | Drug Delivery & Vaccine Development | Data Analysis & Scientific Writing
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USD 30/hr
M.S (Master of Science)
United States

Biomedical scientist with 2+ years of experience in drug delivery, vaccine development, and data analysis. Skilled in R, Python, Excel, and Pri...

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USD 30/hr
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Dr. M M Manjurul I.

PhD in AI | Predictive Maintenance & Data Analytics Expert | Helping Industry & Academia Turn Data into Results
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USD 80/hr
PhD
United Kingdom

I help researchers, universities, and industry teams turn complex datasets into actionable insights using Artificial Intelligence, Machine Lear...

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USD 80/hr
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Dr. Oleksandr K.

Life Sciences Writer | Biomarker & Immunology Specialist | Scientific Communications Expert
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USD 70/hr
Doctor of Philosophy (Ph.D)
United States

I am a PhD-trained life scientist and Field Application Scientist with 11+ years of research experience, including 3 years supporting translati...

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USD 70/hr
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Dr. Muhammad R.

Scientometric researcher, data analyst, acadamics writer, cyber security researcher,
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USD 40/hr
PhD
United Kingdom

I am a Scientometric Researcher, Data Analyst, Academic Writer, and Cybersecurity Researcher with a unique cross-disciplinary background. Curre...

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USD 40/hr
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Kolabtree is the leading online freelance marketplace for Data Collection experts. Post your project, get bids, and hire qualified experts quickly and easily.

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Confidentiality Assured

We take several measures to help you work with full confidence and peace of mind.

Keep your project private

Restrict who can see your project and send you proposals. Invite only specific freelancers to view your project.

NDAs and IP protection

Our T&C include a default confidentiality clause that protects your IP and NDA for added protection before disclosing project details.

Kolabtree ensures safety and security of your payments and personal information and project details. Kolabtree’s T&C includes a default confidentiality and NDA clause.

You will receive detailed proposals directly from Kolabtree. These proposals will include a comprehensive Statement of Work (SOW), project fees, milestones, and deadlines.

You can choose to pay either a fixed or an hourly fee based on your scope of work. Pre-pay for the next milestone. You have to approve the deliverables only if the quality meets your expectations. If you arn’t happy, we’ll refund your money.

Kolabtree will share multiple quotations for your project. You have the freedom to accept the quote that aligns with your project requirement and budget. You can get in touch with us in case you want to discuss the fee.

Our T&C include a default confidentiality clause that protects your IP and NDA for added protection.

Why Kolabtree

Contact experts directly

Speak directly with freelancers and explain your requirements.

100% satisfaction guaranteed

You have to approve the deliverables only if quality meets your expectations. If you arn’t happy, we’ll refund your money.

Project Management

Keep track of files and conversations in the user-friendly Workspace.

Flexible, secure payments

You can choose to pay either a fixed or an hourly fee based on your requirement.

How it works View full page
1

Post your Project (Free)

Your project details are safe, secure and visible only to logged-in users.

2

Get Quotes & Choose Experts

Discuss your requirements in detail with the experts before accepting the final statement of work from Kolabtree.

3

Collaborate

Pre-pay for your project and work with the expert to get your desired output. Keep track of files and conversations in the user-friendly Workspace.

4

Job Done!

Approve the deliverables once you're satisfied with the job done.