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Top Freelance Data Collection Experts for Hire

Dr. Jatin P.

AI/ML Research Expert | PhD IIT Indore | Predictive Maintenance | LLM Agents, RAG, Predictive Analytics, Thesis Guidance
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USD 50/hr
Doctor of Philosophy (Ph.D)
India

I am a PhD researcher from IIT Indore with 7+ years of experience building production-grade AI/ML systems across IoT, EV, and enterprise domain...

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USD 50/hr
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Dr. Antonela M.

PhD Biologist & University Professor | Environmental, Biotech & Fisheries Expert | Academia & Industry
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USD 20/hr
PhD
Argentina

astewater valorization, CO₂ capture strategies and the development of high-value bioactive compounds. As a CONICET researcher and university p...

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USD 20/hr
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Dr. Todd D.

Ecologist & biogeographer | 25+ years experience | research proposal & manuscript writing | data analysis & ...
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USD 85/hr
Environmental Sciences
New Zealand

Career history: former university professor (full) and associate dean of research. I obtained my PhD in Environmental Sciences from the Univers...

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USD 85/hr
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Kevin L.

Ph.D. Researcher in Biological Sciences | Data Scientist & R Specialist | Macroecology & Climate Change Modeler
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USD 25/hr
PhD
Mexico

I am a Ph.D. Candidate in Biological Sciences at the National Autonomous University of Mexico (UNAM) , specializing in macroecology, macroevolu...

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USD 25/hr
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Dr. Dr. Prasily P.

PhD Statistician | R & SPSS Expert for Advanced Data & Survival Analysis
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USD 31/hr
PhD (Statistics)
India

I am a PhD-level statistician with over seven years of combined research and teaching experience, specializing in statistical modelling, machin...

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USD 31/hr
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Dr. Lander I.

Freelance Computational Researcher | Expert in Computational Fluid Dynamics & Multiphase Flow | C++ Fortran Python R...
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USD 110/hr
PhD in Nuclear Engineering
United States

Applied computational scientist and research leader with over 20 years of experience developing and validating high-performance numerical and e...

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USD 110/hr
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Nikolaos L.

Statistician & Data Science | Proposal Writer & Project Manager with 20 years experience in EU funding projects.
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USD 70/hr
Master of Science - MS
Greece

Mathematician with dual MSc degrees in Statistics & Operational Research and Data Science & Machine Learning, and over 20 years of expe...

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USD 70/hr
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ONYINYECHI T.

Finance & Accounting Specialist | Data-Driven Solutions in Financial Services & IT
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USD 15/hr
B.Sc.
Nigeria

I am a finance and accounting professional with 2 years of experience, specializing in financial reporting, bookkeeping, data analysis, and qua...

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USD 15/hr
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Dr. Raghu K.

Data Scientist | Computational Biologist | SBIR & R&D Grant Specialist (Agri/Biotech)
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USD 90/hr
Agronomy and Horticulture
United States

Data Science, Machine Learning, and Statistical Analysis • Leveraged advanced statistical and machine learning tools to identify bacterial stra...

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USD 90/hr
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Dr. Ankita D.

PhD Microbiologist & Scientific Writer with 7+ years of experience | Manuscripts, Reviews, Research Consulting I
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USD 40/hr
Doctorate
India

Core writing & communication skills: • Peer-Reviewed Publications: Co-first author, FEBS Journal (2025); second manuscript in preparation f...

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USD 40/hr
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Qianyin Z.

Experienced Data Scientist | Engineering & Analytics | Python/SQL/R
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USD 40/hr
BSc Biomedical Sciences
United Kingdom

Data Scientist specializing in Machine learning models, with a strong foundation of large-scale ETL pipelines and data analytics. Having a back...

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USD 40/hr
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Dr. Alice W.

PhD Clinical Data Scientist | Biostatistics, Medical Writing & Team Leadership | 10+ years Experience
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USD 150/hr
PhD Bioinformatics and Computational Biology
United States

I am a PhD-trained quantitative scientist specializing in clinical data interpretation, biostatistics, and translational analysis. My work cent...

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USD 150/hr
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Khadija A.

Medical Researcher & Scientific Writer | Systematic Reviews, Meta-Analysis, Academic Editing
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USD 15/hr
MBBS
Pakistan

A final-year MBBS student with experience in medical research, scientific writing, and academic editing, with four peer-reviewed publications a...

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USD 15/hr
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Dr. Aurup Ratan D.

Agricultural & Environmental Economist | Food System Sustainability, LCA & GHG Supply-Chain Analysis
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USD 60/hr
Ph.D.
United States

I am an Agricultural and Environmental Economist specializing in food system sustainability, life cycle assessment (LCA), and environmental imp...

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USD 60/hr
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Maika L.

Data Scientist & Biologist | Expert in Healthcare Analytics, Python & Patient Data
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USD 97/hr
MSc Mathematical Modelling and Computation
Denmark

I am a Data Scientist with a background in Biology and 7 years of experience in the corporate healthcare sector. I specialize in bridging the g...

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USD 97/hr
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Dr. Hatice Z.

+ Publications
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USD 50/hr
MPH
United States

Dr. Hatice S. Zahran is a seasoned epidemiologist and data scientist with over 20 years of experience in public health research, data analysis,...

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USD 50/hr
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Agnesh P.

Published Physicist & Astrophysicist | Strategic Tech Consultant | AI, Defense & Space
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USD 20/hr
Bachelors of Science in Astronomy and Astrophysics (Specialization: Computational Astrophysics)
India

Astrophysicist, physicist, and entrepreneur with dual bachelor’s degrees (Astronomy/Astrophysics and Physics, University of Wyoming), publishin...

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USD 20/hr
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Maria V. R.

Freelance Statistician & Data Analyst | Expert in Python & Experimental design
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USD 100/hr
PhD in Neuroscience
United States

Expert on experimental design and data analysis with over 10 years of experience analyzing EEG data, as well as Google Analytics, user behavior...

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USD 100/hr
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Dr. Hilda D.

PhD Biostatistician Longitudinal Survival Analysis R Python Health Data
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USD 65/hr
Statistics
Belgium

I am a PhD-qualified statistician with over 17 years of experience analysing complex health and research datasets. My expertise includes longit...

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USD 65/hr
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Muhammad H.

NLP Behavioural Interventionist | Behavioral Data Analyst | Psychology & Data-Driven Insights | Bridging Human Behav...
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USD 25/hr
BS Psychology
Pakistan

visionary problem-solver with a unique knack for understanding how people truly tick, and how that shapes business success. My varied journey h...

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USD 25/hr
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Kailyn T.

Scientific Writer & Clinical Research Professional
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USD 45/hr
Master of Science
United States

I am a scientific professional with an M.S. in Microbiology & Immunology and hands-on experience in immuno-oncology, preclinical research, ...

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USD 45/hr
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Dr. Miguel P.

I am a social epidemiologist with expertise in qualitative and quantitative methods.
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USD 120/hr
PhD
United States

I am a social epidemiologist whose research focuses on the role of immigration policies (e.g., deportations, parental deportations) in shaping ...

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USD 120/hr
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Sinchana V.

Cognitive Science Researcher | Behavioral Data Analysis, Statistics & Academic Writing
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USD 19/hr
Completed the course and project
India

I am a Cognitive Science researcher with a strong background in behavioral experiments, motor learning, and human cognition. I hold a Master’s ...

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USD 19/hr
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Dr. Maitry P.

Agricultural Consultant (PhD) | Plant Science, Environment & Green Technology
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USD 75/hr
PhD-Life Sciences
Finland

I am a PhD-level Agricultural Consultant and Plant Scientist with expertise in plant science, plant–environment interactions, and sustainable a...

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USD 75/hr
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Mehdi R.

Metallurgical Engineer & Failure Analysis Steel, Iron Ore, Pipe Production & Mineral Processing | PhD | 10+ Year
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USD 80/hr
Plastic Deformation of Metals
Azerbaijan

When a component fails, a process underperforms, or an entire production flowsheet needs to be rethought — that's where I come in. I'm...

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USD 80/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.

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

Kolabtree ensures the safety and security of your payments, personal information and project details. Kolabtree’s T&C include 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 aren'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 if 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 aren'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.