Hire a Freelance Expert in Brazil

Leticia H.

Global Strategic Intelligence Analyst & Data Reporting Specialist | Research & Insights Analyst | Market Intelli...

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USD 20/hr
Master’s degree in Political Science
Brazil

Strategic Intelligence professional with experience in research, data analysis, and the development of technical reports and dashboards to supp...

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USD 20/hr
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Allison R.

Neurologist experienced in clinical neurology, medical writing, and scientific content development.

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USD 25/hr
Neurologist
Brazil

I am a medical doctor specialized in Neurology, with clinical experience in the diagnosis and management of migraine, headache disorders, and s...

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USD 25/hr
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Willame M.

MSc in Biotechnology | Python Developer specializing in Bioinformatics & Automation

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USD 8/hr
MSc in Biotechnology
Brazil

I am a Biotechnologist and Researcher (MSc) with a unique dual focus on molecular biology and computational development. With a Master’s degree...

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USD 8/hr
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Márcia U.

PhD Neuroscientist | Scientific Editor | Research Consultant

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USD 60/hr
Postdoc
Brazil

I am a PhD in Physiology with MSc and postdoctoral training in Neuroscience, including international research experience at Leiden University M...

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USD 60/hr
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Noemi A.

PhD Researcher in Food Sciece | Data Analyst | Scientific Visualization

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USD 30/hr
Mestre em Ciência de Alimentos
Brazil

My Core Services: Advanced Data Visualization; Statistical Analysis; Spectroscopic Interpretation

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USD 30/hr
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Dr. Jonatas A.

Freshwater Ecology Data Analyst | R & QGIS | Water Quality & Community Ecology

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USD 40/hr
PhD Ecology
Brazil

I am a PhD in Ecology specializing in freshwater ecosystems, with strong experience in ecological data analysis and spatial analysis. I work w...

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USD 40/hr
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Mayana S.

Biologist | Sustainability & ESG Data Analyst | R & GIS Specialist for Biodiversity Monitoring

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USD 15/hr
Bachelor’s in Biological sciences
Brazil

I am a Biologist and Data Analyst specializing in bridging the gap between field ecology and actionable sustainability insights. With 1.5 years...

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USD 15/hr
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Dr. Henrique S.

PhD Physicist | Statistical Physics & Complex Systems | Modeling & Simulation (Python/C++)

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USD 50/hr
Ph.D. (Physics)
Brazil

PhD physicist specialized in statistical physics, complex systems, and nonequilibrium transport. I help startups, research groups, and R&D ...

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USD 50/hr
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Maria B.

Freelance Writer & Content Humanizer

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USD 60/hr
Professional Writing
Brazil

I specialize in writing and humanizing high-quality content for blogs, websites, and marketing materials. I deliver fully polished, ready-to-pu...

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USD 60/hr
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Denis D.

Physics researcher at NeuroPhysics lab, specializing in statistical modeling, complex systems, and scientific computing.

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USD 20/hr
Bachelors in Science (Physics)
Brazil

I am Denis Domeniconi Caprioti , a Physics Reasercher at the Federal University of Santa Catarina (UFSC) with a passion for decoding the "...

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USD 20/hr
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Dr. Fernanda de Carvalho A.

Ph.D. Social Anthropologist | Expert in Qualitative Research, Ethnography & UX Insights

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USD 45/hr
Ph.D. in Social Anthropology
Brazil

Social Anthropologist | Ph.D. | Researcher & Academic Consultant I am a Social Anthropologist (Ph.D., UFRN) specializing in ethnographic m...

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USD 45/hr
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Kamila D.

Biotechnology Specialist | Microbial Bioprocessing & Molecular Biology | Antimicrobial Peptides | R&D in Agro &a...

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USD 35/hr
PhD student
Brazil

Biotechnology professional with a PhD in Genomic Sciences and Biotechnology and over 10 years of experience in molecular biology and microbial ...

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USD 35/hr
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Dr. Kaline Aparecida W.

Scientific Editing | Data Analysis | Figures and Visualization

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USD 75/hr
PhD student in Soil Science
Brazil

I am a researcher in Soil Science with experience in scientific writing, data analysis, and the preparation and revision of academic manuscript...

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USD 75/hr
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Dr. PÂMELA L.

PhD Material Scientist | Chemical Engineer | Expert in Polymers, Bacterial Cellulose & Advanced Characterization

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USD 45/hr
PhD
Brazil

PhD-level Material Scientist and Chemical Engineer with over 10 years of experience across military, academic, and industrial sectors. Speciali...

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USD 45/hr
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Gianmarco M.

Biostatistics · Statistical Modeling in R · Online Instructor · PhD Researcher

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USD 100/hr
Masters of Science
Brazil

I work at the intersection of biostatistics, data science, and education, building practical statistical workflows in R for real-world data pro...

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USD 100/hr
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Dr. Ricardo S.

PhD Chemist & University Professor, Biotechnology, Bioactive Compounds, Microencapsulation and Nutraceutical Develop...

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USD 85/hr
PhD
Brazil

PhD in Chemistry with experience in analytical chemistry, biotechnology, and applied research involving natural products and chemical sensors. ...

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USD 85/hr
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Fernando R.

Statistical Consultant | Data Scientist | Research, Clinical & Survey Analysis (R / Python / SPSS)

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MBA
Brazil

I am a data scientist and statistical consultant specializing in applied statistical analysis for research and data-driven projects. My work f...

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Dr. Tanise B.

Data Scientist | PhD in Economics | Antitrust & Competition Policy | Python, R, SQL

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USD 50/hr
PhD in Economics
Brazil

I'm a data scientist with a PhD in Economics and 10 years of experience in the Brazilian public sector, specializing in antitrust enforceme...

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USD 50/hr
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Eric R.

PhD Immunologist | Clinical Research Expert | Infectious & Tropical Diseases | Fiocruz/INI Brazil

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USD 175/hr
PhD
Brazil

I am a PhD immunologist and senior clinical researcher at the Evandro Chagas National Institute of Infectology (INI), Oswaldo Cruz Foundation (...

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USD 175/hr
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Dr. Luiz A.

Freelance Biostatistician & Data Analyst | Bioinformatician with solid experience in NGS

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USD 20/hr
Doctor of Philosophy
Brazil

PhD, experience with complex analysis using whole blood, cells and mouse. Latest relevant experience in translational medicine.

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USD 20/hr
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Vinicius M.

Freelance PhD Designer / Infographics, illustrations and graphical abstracts for scientific journals and papers

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USD 25/hr
Doctorate
Brazil

I design and illustrate infographics and illustrations for scientific journals and academic papers. I have experience in designing graphical ab...

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USD 25/hr
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Gemilson P.

Immunology, Virology & Epidemiology Expert | PI at INPA | Specialist in Bioactive & Nanocompound Testing | 10+ y...

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USD 40/hr
PhD in Medical Sciences
Brazil

I earned my PhD in Medical Sciences from the University of Tokyo in 2012, and subsequently I assumed the role of principal investigator at the ...

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USD 40/hr
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Dr. Weslley G.

Medical Writer & Immunologist (PhD) | Scientific Editing, Protocol Design & Infectious Diseases Expert | Yale Al...

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USD 45/hr
PhD
Brazil

I am a PhD-level Immunologist and Postdoctoral Researcher with a track record of high-impact research at world-class institutions, including Ya...

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USD 45/hr
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Dr. Simone W.

Physician | Medical Reviewer | Research & Evidence Synthesis | Medical Translator & Editor (EN<>PTBR)

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USD 40/hr
Medicina
Brazil

I am a physician and practicing general practitioner with experience in clinical research, systematic reviews, and evidence-based medical writi...

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USD 40/hr
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Túlio C.

Senior Chemical Process Engineer I Mass & Energy Balance I HAZOP I Equipment Sizing

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USD 60/hr
Mechanical Engineering
Brazil

Senior Chemical Engineer with 20+ years of experience in process engineering, mass and energy balances, heat transfer, equipment sizing and ind...

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USD 60/hr
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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 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.