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Hire a Freelance Expert in Brazil

Dr. Rodrigo S.

Health & Education Data Scientist | PhD | Specialist in Complex Phenomena | SPSS & Orange Data Mining Expert

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USD 80/hr
PhD
Brazil

Holds a degree in Physical Education (Licentiate and Bachelor) from the University of Mogi das Cruzes. Earned a Master’s and PhD in Sciences fr...

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USD 80/hr
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Ana Catharina B.

Cosmetic & Pharmaceutical R&D Specialist | Natural Ingredients & Sustainable Innovation | 6+ Years in R&...

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USD 12/hr
Master in Pharmaceutical Sciences
Brazil

I am a Cosmetic & Pharmaceutical R&D Specialist with 6+ years of experience in developing innovative, sustainable products for skin and...

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USD 12/hr
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Dr. Fabiola E.

Freelance with 10+ years of experience in basic research| Medical writer | Data Analysis

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USD 30/hr
PhD
Brazil

I am a biologist with a Master's and Ph.D. in Pharmacology, currently working as a Postdoctoral Researcher in Pharmacology. With 10 years o...

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USD 30/hr
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Dr. Sávio C.

PhD Bioinformatician | Genomics, Transcriptomics, Metagenomics & Environmental DNA | Custom Pipeline Development

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USD 13/hr
Ph.D. in Bioinformatics
Brazil

I am a PhD bioinformatician with over 10 years of experience in multi-omics data analysis, specializing in genomics, transcriptomics, metagenom...

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USD 13/hr
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Erika G.

PhD in Pharmacology | Expert in neuroscience research and scientific publications.

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USD 20/hr
Ph.D
Brazil

Pharmacist with a PhD in Pharmacology and extensive experience in preclinical research, with a strong focus on neuroscience and neurodegenerati...

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USD 20/hr
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Adalberto G.

Undergraduate in Chemical Engineering, Federal University of Paraná - UFPR; Master of Science in Mechanical Enginee...

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Ph.D.
Brazil

Graduation in Chemical Engineering, Federal University of Paraná - UFPR; Master in Mechanical Engineering, Federal University of Paran...

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Dr. Alan L.

7+ years of experience [Industry + Academia] in: Data Analysis, ML and Operations Research (Python, Pytorch, SQL, etc..)

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USD 30/hr
PhD in Computer Science
Brazil

PhD candidate in Computer Science in the field of AI combining the fields of Machine Learning and Operations Research. I have experience in Da...

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USD 30/hr
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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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Dr. Ana Luiza de Oliveira R.

Medical Doctor (MD) & Researcher | Expert in Scientific Writing and Peer-Reviewed Publications (Elsevier)

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USD 60/hr
Doctor of Medicine (M.D.)
Brazil

Medical Doctor (MD) with extensive clinical experience in emergency care and public health. I specialize in medical writing, scientific editing...

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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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Anderson V.

Bioprocess and Biotechnology Engineer | Specialist in Biotechnology and Bioinformatics

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USD 30/hr
Bachelor’s Degree in Bioprocess and Biotechnology Engineering
Brazil

I am a Bioprocess and Biotechnology Engineer with experience in biotechnology, molecular biology, and bioinformatics. I hold a bachelor’s degre...

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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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Patrick S.

Health & Tech Pro - Bio: Data & Art | Saúde e Tecnologia - Traduzindo a biologia através de dados e a...

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USD 10/hr
Estagiário em Auditoria
Brazil

Atualmente, concentro minha atuação na intersecção entre a Neurofisiologia e a Engenharia de Software. Como pesquisador no ...

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USD 10/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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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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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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Post your Project (Free)

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Get Quotes & Choose Experts

Discuss your requirements in detail with the experts before accepting the final statement of work from Kolabtree.

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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.

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Job Done!

Approve the deliverables once you're satisfied with the job done.