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Hire a Freelance Expert in Brazil

Fatima H.

Freelance Biostatistician & Pharmacologist | Expert in AI & ML in Biomedical Research | Experienced in R & P...

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USD 10/hr
Bachelor’s in Biological sciences
Brazil

M.S. student in Pharmacology at the Federal University of Santa Catarina (UFSC) specializing in Neuropharmacology. Research is focused on the c...

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USD 10/hr
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Alexandra Luiza L.

Master in Education | Law Graduate | Specialist in Scientific Methodology, Text Production & Evaluation

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USD 20/hr
Master of Science (MS)
Brazil

I began my career in elementary education and later taught undergraduate and postgraduate courses in Scientific Methodology. I have served on a...

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USD 20/hr
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Julien H.

Computational chemist driving AI projects for Drug Discovery

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USD 100/hr
Ph.D.
Brazil

CADD responsible for Medicinal Chemistry projects (GPCR, protease), Hit-to-Lead projects as well as early projects. Providing scientific inputs...

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USD 100/hr
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Joao Tassio B.

I'm a medical student and scientific researcher with strong experience in systematic reviews and meta-analyses.

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USD 25/hr
Medicine
Brazil

Graduando em medicina pela Universidade Federal do Pará .

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USD 25/hr
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Dr. Matheus M.

MD, PhD | Infectious Diseases Specialist | Scientific Writing, Peer Review & Research Consulting

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USD 60/hr
PhD in Medical Sciences
Brazil

I am a medical doctor and infectious diseases specialist with a Master’s degree in Public Health and a PhD in Medical Sciences, both with a res...

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USD 60/hr
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Martina K.

PhD Candidate in Neuroscience & Psychology | Research Consulting in Statistical Analysis (R) and Academic Editing

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USD 50/hr
Ph.D.
Brazil

I am a PhD candidate in Psychology with a background in neuroscience and neurodevelopmental research. I offer research consulting services in s...

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USD 50/hr
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Patricia N.

PhD in Aquatic Ecology | Meta-Analysis, Systematic Reviews & Statistical Analysis with R

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USD 30/hr
Doutorado em Ecologia.
Brazil

PhD in Ecology from the Federal University of Rio de Janeiro (UFRJ), Master’s in Ecology from the Federal University of Juiz de Fora (UFJF). Po...

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USD 30/hr
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Dr. Rebeca N.

BSc PT, MSc in Respiratory Therapy, PhD in Cardiorespiratory and Exercise Physiology, Postdoctoral Fellow in Cardiology

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USD 90/hr
Bachelor in Physiotherapy
Brazil

Hello! My name is Rebeca, and I am a clinical researcher with 13 years of experience in the field of Respiratory, Cardiovascular Medicine &...

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USD 90/hr
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Werik B.

Veterinary Epidemiologist | One Health & Zoonoses | Data Analysis & Medical Writing

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Residency in Veterinary Public Health (Zoonoses)
Brazil

Veterinary doctor and epidemiologist with experience in infectious diseases, zoonoses and One Health projects. I have worked on research, surve...

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Weronica D.

Biologist writer in Cell Biology

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USD 100/hr
Mestrado
Brazil

Biologist - Cell Biology of insects.

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USD 100/hr
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David D.

Medical Content & Research Specialist | Healthcare Writing, Translation & Educational Materials

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USD 50/hr
M.D. Student
Brazil

Final-year medical student (MD expected June 2026) at Centro Universitário São Camilo with proven expertise in scientific research, ...

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USD 50/hr
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Amanda S.

Scientific Consultant & Medical Writing, Freelance Statistician & Data Analyst, with 17+ Years Experience

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USD 80/hr
B.Sc. Biomedicine
Brazil

I am a Medical Writer and Scientific Consultant with over 17 years of experience in clinical research, scientific writing, and biostatistical a...

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USD 80/hr
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Dr. Angelo G.

Forest Engineer with a PhD in Soil and Water Management and Conservation

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USD 30/hr
PhD in Soil and Water Management and Conservation
Brazil

I am a Forest Engineer and Environmental Scientist with a PhD in Soil and Water Management and a Master’s degree in Water Resources. Currently ...

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USD 30/hr
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Betania P.

Research Assistant | PhD Candidate in Agronomy

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Masters (Science)
Brazil

I am a PhD candidate in Agronomy with strong experience in academic research, data organization, and technical report preparation. My work invo...

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Dr. AMANDA A.

Scientific Consultant – Nanomedicine, Drug Delivery & Technology Due Diligence

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USD 75/hr
PhD
Brazil

I am a PhD-level scientist specialized in pharmaceutical nanotechnology and drug delivery systems, including liposomes and lipid nanoparticles ...

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USD 75/hr
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Mariana Muros F.

Scientific & Academic Editor | Biomedical and Health Sciences

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USD 24/hr
Mestrado em Ciências da Saúde
Brazil

I am a scientific editor and academic proofreader with a strong background in Health and Life Sciences, holding a Master’s degree in Health Sci...

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USD 24/hr
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Dr. ANDRE Z.

PhD Forensic Expert (22y Exp) | DNA Data Specialist | Scientific Editor & Translator

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USD 40/hr
Ph.D.
Brazil

I am a Senior Operational Manager and former Official Forensic Expert with over two decades of experience in high-complexity DNA analysis, Clin...

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USD 40/hr
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Dr. Rafael R.

MD | Scientific Consultant in Aesthetic Medicine & AI Safety | Clinical Protocol Designer | Peer Reviewer

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USD 198/hr
Dr
Brazil

I am a medical doctor with postgraduate training in Dermatology and Aesthetic Medicine, combining clinical practice, academic leadership, and s...

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USD 198/hr
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Dr. Pedro M.

Scientific consultant in physics-guided data interpretation and mathematical modeling.

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USD 60/hr
Doutor em Astrofísica
Brazil

I provide scientific consulting focused on physics-guided data interpretation and mathematical modeling, ensuring that numerical, analytical an...

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USD 60/hr
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Dr. João V.

Expert in Scientific Writing and Proofreading | Specialist in Data Analysis & Statistics

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USD 50/hr
Doctorate degree in Plant Science
Brazil

I am Dr. João Claudio Vilvert, an Agronomist and Postdoctoral Researcher at the Brazilian Agricultural Research Corporation, holding a Ph....

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USD 50/hr
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Dr. Min Jung Y.

Microbiologist with 10+ years of experience in research

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USD 30/hr
Ph.D. in Biotechnology
Brazil

Microbiologist, with M.Sc in Microbiology and Ph.D. in Biotechnology, with 10+ years of experience in scientific research.

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USD 30/hr
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Dr. Jadson J.

PhD in Genetics | Leadership Consultant & Facilitator | Collaborative Community Builder

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USD 50/hr
PhD-Life Sciences
Brazil

As a purpose & value-driven professional, I am passionate about empowering professionals and nonprofit organizations within the STEM fields...

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USD 50/hr
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Dr. Gabriella S.

Ecological data scientist | Statistical analysis for ecological research | Machine & deep learning - ecological rese...

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USD 50/hr
PhD
Brazil

Over 8 years of experience analyzing data for ecological research using R and Python. Experienced with statistical and spatial analysis for lan...

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USD 50/hr
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Jessica Ellen B.

Researcher with 10+ years of experience in molecular and cell biology, genomics, lab automation.

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USD 20/hr
Ph.D. student
Brazil

Experienced in the areas of Human and Medical Genetics, Molecular Biology, Type 2 Diabetes Mellitus and Alzheimer's Disease, cell culture, ...

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USD 20/hr
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Dr. Lygia M.

PhD Experimental Pathologist | Cardiovascular & Infectious Diseases | Histopathology & Scientific Writing

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USD 50/hr
Doctorate
Brazil

PhD in Experimental Pathology with strong expertise in cardiovascular and infectious disease research. Experienced in histopathology, preclinic...

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USD 50/hr
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Restrict who can see your project and send you proposals. Invite only specific freelancers to view your project.

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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.

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Speak directly with freelancers and explain your requirements.

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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.

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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.