level-one heading

Top Freelance Data Collection Experts for Hire

Dr. Antonela M.

PhD Biologist & University Professor | Environmental, Biotech & Fisheries Expert | Academia & Industry
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

Dr. Todd D.

Ecologist & biogeographer | 25+ years experience | research proposal & manuscript writing | data analysis & ...
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 85/hr
Contact3

Kevin L.

Ph.D. Researcher in Biological Sciences | Data Scientist & R Specialist | Macroecology & Climate Change Modeler
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Dr. Dr. Prasily P.

PhD Statistician | R & SPSS Expert for Advanced Data & Survival Analysis
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 31/hr
Contact3

Dr. Lander I.

Freelance Computational Researcher | Expert in Computational Fluid Dynamics & Multiphase Flow | C++ Fortran Python R...
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 110/hr
Contact3

Nikolaos L.

Statistician & Data Science | Proposal Writer & Project Manager with 20 years experience in EU funding projects.
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 70/hr
Contact3

ONYINYECHI T.

Finance & Accounting Specialist | Data-Driven Solutions in Financial Services & IT
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 15/hr
Contact3

Dr. Maitry P.

Agricultural Consultant (PhD) | Plant Science, Environment & Green Technology
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 75/hr
Contact3

Dr. Raghu K.

Data Scientist | Computational Biologist | SBIR & R&D Grant Specialist (Agri/Biotech)
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 90/hr
Contact3

Dr. Ankita D.

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

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

★★★★★
☆☆☆☆☆
USD 40/hr
Contact3

Qianyin Z.

Experienced Data Scientist | Engineering & Analytics | Python/SQL/R
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 40/hr
Contact3

Dr. Alice W.

PhD Clinical Data Scientist | Biostatistics, Medical Writing & Team Leadership | 10+ years Experience
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 150/hr
Contact3

Khadija A.

Medical Researcher & Scientific Writer | Systematic Reviews, Meta-Analysis, Academic Editing
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 15/hr
Contact3

Dr. Cheryl W.

Developmental editor for academic papers, dissertations, and grants
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
PhD
United States

I am a developmental editor experienced in academic writing, including scientific papers, dissertations, and grants....I can provide detailed edits of your manuscript that will increase publication success and get your work...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Dr. Johnson W.

Freelance Financial & Data Analyst | Budgeting & Forecasting | Business Intelligence | Excel & Power BI Expe...
Create Project
★★★★★
☆☆☆☆☆
USD 15/hr
Bachelors
Kenya

I am a highly skilled Financial Analyst and Data Analyst with expertise in budgeting, forecasting, financial modeling, and business intelligenc...

★★★★★
☆☆☆☆☆
USD 15/hr
Contact3

Dr. Aurup Ratan D.

Agricultural & Environmental Economist | Food System Sustainability, LCA & GHG Supply-Chain Analysis
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 60/hr
Contact3

Maika L.

Data Scientist & Biologist | Expert in Healthcare Analytics, Python & Patient Data
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 97/hr
Contact3

Dr. Hatice Z.

+ Publications
Create Project
★★★★★
☆☆☆☆☆
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,...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Faith A.

Spatial Data Scientist & Remote sesnisng Expert | 5+ years of experience in GIS research
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
Bsc in GIS and remote sensing
Ghana

I am a spatial data scientist and consultant with experience supporting international research institutions and NGOs in fields such as biodiver...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Agnesh P.

Published Physicist & Astrophysicist | Strategic Tech Consultant | AI, Defense & Space
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

Ahurwendeire S.

Health Informatics & Data Management Specialist (CS + Public Health)
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
Bachelors of Computer Sience
Uganda

I bridge the gap between complex health research and digital data systems....With a B.Sc. in Computer Science and over 10 years of experience in public health research, I specialize...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

Dr. Kimberley Z.

Physician Scientist | Medical Writer | Clinical Research & Machine Learning in Healthcare | Manuscript Editing
Create Project
★★★★★
☆☆☆☆☆
USD 70/hr
Masters of Science
United States

I am a physician and clinical researcher with expertise in medical writing, scientific editing, and health data analytics. I hold an MD and an ...

★★★★★
☆☆☆☆☆
USD 70/hr
Contact3

Billal K.

Biotech & Bioinformatics Expert | Microbiology Specialist | Data-Driven Solutions in Life Sciences
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
Master in Biological Science
United Kingdom

I am a multidisciplinary scientist with expertise at the intersection of biotechnology, bioinformatics, microbiology, and data science. My work...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Maria V. R.

Freelance Statistician & Data Analyst | Expert in Python & Experimental design
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 100/hr
Contact3

Tobiloba S.

Research Consultant | Literature Reviews | Thesis & Dissertation Support | Journal Manuscript Editing
Create Project
★★★★★
☆☆☆☆☆
USD 20/hr
Bachelor of Science (B.Sc.) in Physics
Nigeria

I am an experienced academic research consultant and writer specializing in research design, literature reviews, thesis and dissertation suppor...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

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

pay-per-click
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.