level-one heading

Top Freelance Data Collection Experts for Hire

Dr. Veronika V.

Neuroscience & Neuropsychology Consultant | Biomarkers, Data Analysis, Literature Reviews & Scientific Communica...
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
PhD
Italy

A cognitive neuroscience researcher with expertise in human cognitive functions, including language, memory, and attention, and their assessmen...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

Dr. Timilehin O.

Medical Doctor | Healthcare Data Analyst | Grant Writer | Data Annotator
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
Doctor of Medicine
Netherlands

I’m a Medical Doctor with experience in healthcare data analytics, data annotation, research, and grant writing. Over time, I’ve worked on proj...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Dr. Armando A.

Biological and Social Science Data Analysis, Analytical Spectroscopy & Archaeological Survey Support | Expert in Pyt...
Create Project
★★★★★
☆☆☆☆☆
USD 150/hr
Ph.D.
United States

Armando Anzellini, Ph.D., RPA has with over 11 years of statistical analysis, laboratory and teaching, and cultural resource survey experience ...

★★★★★
☆☆☆☆☆
USD 150/hr
Contact3

Dr. Zeguo Q.

Data analyst (behavioural, EEG data) | Experienced and journal-published writer | 8+ years psychology researcher
Create Project
★★★★★
☆☆☆☆☆
USD 80/hr
PhD
Australia

I am a Data Analyst with a background in public health research, neuroscience and computational psychiatry. My work focuses on building robust ...

★★★★★
☆☆☆☆☆
USD 80/hr
Contact3

Kristen M.

Clinical Research Scientist | Genetics & Genomics | 15 Peer-Reviewed Publications | Registry Data
Create Project
★★★★★
☆☆☆☆☆
USD 85/hr
Masters in Biomedical Science
United States

If your research program needs someone who understands the data at a clinical and scientific level — not just a database technician — that is t...

★★★★★
☆☆☆☆☆
USD 85/hr
Contact3

Ariana J.

Scientific Writer & Editor | Neuroscience, Addiction Biology, Oncology Research
Create Project
★★★★★
☆☆☆☆☆
USD 85/hr
Bachelors
United States

I am a biomedical research manager and scientific writer/editor with extensive experience in preclinical and translational research, specializi...

★★★★★
☆☆☆☆☆
USD 85/hr
Contact3

Dr. Jarrod S.

Freelance Bioinformatician | Expert in microbiome analysis, R, Python 10+ years of research experience
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
Complex Systems Summer School
United States

I help researchers and organizations turn complex data into clear, reproducible, and publication-ready results. I specialize in creating rigoro...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Haya H.

Medical Student & Bilingual Writer | Cochrane Evidence Clinical Trial Screening , Medical Writing, and Data Extracti...
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
Medical Degree (MD)
Egypt

I am a clinical medical student and bilingual medical writer with a specialized focus on clinical research methodology, evidence synthesis, and...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Dr. Matthew L.

Quantitative Research Consultant | Expert in SEM, Longitudinal & Latent Class Models | Mplus, R, SAS, SPSS, Excel
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 65/hr
Contact3

Dr. Anum M.

Bioinformatics Scientist & Computational Biologist | Cancer Genomics | Expert in Python, R, Bash, NGS, and Multi-omi...
Create Project
★★★★★
☆☆☆☆☆
USD 35/hr
PhD Computational Biology
United Kingdom

I am a bioinformatics scientist with 7+ years of experience in cancer genomics, multi-omics data analysis, and pipeline development. During my...

★★★★★
☆☆☆☆☆
USD 35/hr
Contact3

Binon T.

Graph Neural Network & Bioinformatics Researcher | PyTorch | Deep Learning
Create Project
★★★★★
☆☆☆☆☆
USD 15/hr
PhD
India

I am an AI researcher and machine learning developer specializing in Graph Neural Networks (GNNs), deep learning, bioinformatics, and complex n...

★★★★★
☆☆☆☆☆
USD 15/hr
Contact3

Katie P.

PhD-level User Researcher & Mixed-Methods Analyst (UX, Qualitative & Insight Research)
Create Project
★★★★★
☆☆☆☆☆
USD 55/hr
MSci Computer Science
United Kingdom

I am a PhD researcher in Human-Computer Interaction specialising in user experience research, qualitative analysis, and mixed-methods evaluatio...

★★★★★
☆☆☆☆☆
USD 55/hr
Contact3

Dr. Russell L.

Immunologist and Bioinformatician
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
Immunology
United States

I am a PhD-level immunologist with 10 years of experience in research and scientific communication. I have a...proven record of analyzing and presenting complex data for diverse audiences and publishing high-impact publications...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

Dr. Nils S.

Geophysicist | Python, Data Analysis, Numerical Modeling & Technical Writing
Create Project
★★★★★
☆☆☆☆☆
USD 40/hr
Doctor of Science
Germany

I am a geophysicist with expertise in numerical modeling, data analysis, scientific programming, and technical writing. I hold a PhD with a spe...

★★★★★
☆☆☆☆☆
USD 40/hr
Contact3

Dr. Anastasia G.

PhD Environmental Psychology | Expert in Data Analysis, Survey Design, Academic Writing | Climate Policy & Communica...
Create Project
★★★★★
☆☆☆☆☆
USD 45/hr
PhD
Greece

Dr Anastasia Gkargkavouzi PhD in Environmental Psychology | Research & Sustainability Consultant I am an Environmental Psychology research...

★★★★★
☆☆☆☆☆
USD 45/hr
Contact3

Nerida Nadia H.

PhD & Freelance Data Scientist | Specialist in Ecological Modeling, GLMM & Remote Sensing (GEE)
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
Doutorado em Ecologia
Bolivia

I am a PhD in Ecology with over 10 years of experience in high-impact scientific research and complex data management. My expertise lies at the...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Dr. Fernando F.

Freelancer Economist and Data Analyst
Create Project
★★★★★
☆☆☆☆☆
USD 45/hr
BSc in Economics
United Kingdom

I am a UK-based Economist and Data Analyst with an academic background in Economics and professional experience in financial analysis, accounti...

★★★★★
☆☆☆☆☆
USD 45/hr
Contact3

Dr. Carlos Andrés V.

Sociologist & CONICET Doctoral Researcher | Energy Transitions | Academic Writing | Quantitative Research
Create Project
★★★★★
☆☆☆☆☆
USD 20/hr
PhD Sociology
Argentina

I am a sociologist and CONICET doctoral fellow at INCIHUSA (Mendoza, Argentina), specializing in economic sociology, energy transitions, and gl...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

Dr. Bhavita K.

Physician-Scientist, PhD Public Health (Tulane, Fulbright), Systematic Reviews, Manuscript Writing, Int...
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
Ph.D
United States

I am a physician-scientist with an MBBS and a PhD in Public Health from Tulane University, where I trained on a Fulbright scholarship. My resea...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

Joanna L.

Financial Modeling & Business Intelligence Consultant | Excel, Python, Dashboards & Research
Create Project
★★★★★
☆☆☆☆☆
USD 35/hr
BS
United States

I'm a finance and analytics professional specializing in financial modeling, business intelligence, market research, and data analysis. I&#...

★★★★★
☆☆☆☆☆
USD 35/hr
Contact3

Dr. Omar F.

PhD Epidemiologist & Biostatistician | Public Health Data Analysis | R, SPSS, Python | Systematic
Create Project
★★★★★
☆☆☆☆☆
USD 40/hr
PhD Epidemiology
United States

I am a PhD-trained epidemiologist and medical doctor with expertise in biostatistics, epidemiologic research design, and public health data ana...

★★★★★
☆☆☆☆☆
USD 40/hr
Contact3

Dr. Sam D.

PhD Scientific Consultant | Materials & Chemistry | Product R&D, Failure Analysis & Scientific Writing
Create Project
★★★★★
☆☆☆☆☆
USD 80/hr
Ph.D, Materials Science and Engineering
United States

I’m a PhD materials scientist and chemistry-trained domain expert who helps companies translate advanced materials into product decisions, with...

★★★★★
☆☆☆☆☆
USD 80/hr
Contact3

Dr. Rodolfo P.

Doctoral Researcher in Economics, Shock Transmission, Financial Contagion, High-Dimensional Data, TS, New Methodologies
Create Project
★★★★★
☆☆☆☆☆
USD 89/hr
MSc in Monetary, Banking and Financial Economics
Portugal

I am a doctoral researcher in Economics at the University of Minho, specializing in financial shock transmission, behavioral market dynamics, a...

★★★★★
☆☆☆☆☆
USD 89/hr
Contact3

Dr. Guojin C.

Computational Chemistry PhD Consultant | DFT & ML for Materials | LLM Scientific Reasoning Evaluation
Create Project
★★★★★
☆☆☆☆☆
USD 60/hr
PhD (Chemistry)
Hong Kong

I provide professional DFT and computational chemistry services for research groups and R&D teams who need clear, reliable results rather ...

★★★★★
☆☆☆☆☆
USD 60/hr
Contact3

Ahmed T.

ESG & Sustainability Analyst | GRI Reporting | CSRD/ESRS Support | LEED & BREEAM Documentation Expert | ESG Stra...
Create Project
★★★★★
☆☆☆☆☆
USD 800/hr
B.Tech.
India

I am an ESG and Sustainability Analyst with experience supporting organizations in sustainability reporting, ESG data analysis, and green build...

★★★★★
☆☆☆☆☆
USD 800/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 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.