Hire a Freelance Expert in Brazil

Dr. Felipe D.

PhD in Biotechnology | Agronomical Validation, Biofertilizers | Freelance Statistician & Data Analyst | Expert in R

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USD 25/hr
Doutorado
Brazil

Marine Biotechnologist specializing in algae-derived agricultural biostimulants and data analysis in R. I help AgTechs, biotech startups, and r...

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USD 25/hr
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Dr. Natalia M.

Environmental Scientist, PhD

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USD 30/hr
Doctor of Science
Brazil

I have been researching, writing about, and editing work on human-nature interactions since 2013

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USD 30/hr
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Dr. Lidiane L.

Oceanographer & Data Scientist | Environmental Risk, Climate Resilience & Scientific Research

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USD 45/hr
Postgraduate Specialization in Data Science
Brazil

Oceanographer and Data Scientist with a PhD in Ocean Engineering and 15+ years of experience transforming complex environmental and scientific ...

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USD 45/hr
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João D.

Molecular Biologist specializing in CRISPR Base Editing and NGS Analysis

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USD 40/hr
Bachelor’s in Biological sciences
Brazil

I'm a molecular biologist working at the intersection of gene editing research and next-generation sequencing. I'm currently completing...

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USD 40/hr
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Dr. Diogo D.

Senior Bioinformatician and Developer | PhD Candidate

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USD 35/hr
PhD (Molecular Biology)
Brazil

I turn messy sequencing data into results you can publish and build the tools your team keeps using after I'm gone. Senior Bioinformatics ...

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USD 35/hr
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Dr. Tiago Fernando C.

Bioinformata & PhD | Análise de Dados Genômicos, RNA-seq e Machine Learning

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USD 10/hr
DOUTORADO EM BIOLOGIA CELULAR E DO DESENVOLVIMENTO
Brazil

Postdoctoral Researcher in the Graduate Program in Cellular and Developmental Biology at the Federal University of Santa Catarina (UFSC), affil...

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USD 10/hr
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Dr. DIMITRIA T B.

Scientific Editor & Research Consultant | AI, Engineering & Interdisciplinary Research

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USD 55/hr
Ph.D. in Informatics and Knowledge Management
Brazil

I am a PhD-qualified researcher, scientific editor, and research consultant with expertise spanning artificial intelligence, computer vision, m...

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USD 55/hr
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Dr. CARLOS EDUARDO N.

PhD in Medicine (Nephrology) | Researcher in Exercise Genetics, Renal Disease, and Oncology

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USD 100/hr
PhD
Brazil

PhD in Sciences (Nephrology) from UNIFESP, currently completing a postdoctoral fellowship at the same institution (FAPESP scholarship), with ov...

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USD 100/hr
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Dr. GLEICY R.

Biomedical Scientist & Toxicology Researcher | Psychedelic Science, Transpersonal Psychology & Scientific Writin...

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USD 50/hr
Specialization - Cancer Biology
Brazil

Graduated in Biomedicine from Geraldo Di Biase University Center, she is a researcher at the Interdisciplinary Cooperation for Ayahuasca Resear...

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USD 50/hr
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Priscila M.

Biologist | Biomedical Research & Bioinformatics Support

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USD 20/hr
Biological Sciences
Brazil

Brazilian biologist (B.Sc. Biological Sciences, Universidade Federal de Pernambuco; ORCID xxxxxxxxxxxxxxxxxxx) offering biomedical research, bi...

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USD 20/hr
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Dr. Bárbara Luiza D.

Food Scientist & Bioprocess Engineer | Data Analysis, DoE & Technical Writing

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USD 30/hr
Food Science
Brazil

I am a Bioprocess Engineer and a PhD candidate in Food Science with a strong background in both academic research and industrial consulting. I ...

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USD 30/hr
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Bruna R.

Academic Editor & Proofreader | Brazilian Portuguese | Humanities & Editorial Production

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USD 20/hr
Bachelor's Degree in History
Brazil

Native Brazilian Portuguese editor with 3 years of experience in proofreading, academic editing, text preparation, and editorial production. I ...

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USD 20/hr
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Dr. Carolina N.

Biomedical Scientist, PhD in Physiology & Pharmacology | Scientific Editor, Peer Reviewer & Medical Writer

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USD 35/hr
Master's degree in Biological Sciences
Brazil

Biomedical Scientist with a PhD in Biological Sciences (Physiology and Pharmacology) and extensive experience in scientific and medical writing...

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USD 35/hr
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Dr. Douglas S.

Radiologist & Ultrasound Specialist | Medical Writer | CME Educator | 14+ years turning complexity into clear answe

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USD 85/hr
Radiologia e Diagnóstico por Imagem
Brazil

I am a board-certified physician (CRM-RS 37371, Brazil) with over 14 years of experience in diagnostic imaging, specializing in radiology and u...

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USD 85/hr
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Dr. Rafaela R.

PhD | Microbiology | 6 years of experience in scientific research

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USD 8/hr
PhD in Microbiology
Brazil

Science, Microbiology & Scientific Writing Specialist I am a pharmacist with a Master’s and PhD in Microbiology and more than six years of...

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USD 8/hr
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Dr. Rafael L.

Specialist in PLS-SEM using R, statistical testing with SPSS, and systematic literature reviews.

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USD 120/hr
Ph.D.
Brazil

Postdoctoral Researcher and PhD in Business Administration (PUCRS/UCS, Brazil), with a Master’s in Administration from UFSM and a B.S. in Marke...

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USD 120/hr
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Milena A.

Brazilian Navy Medical Officer (Lieutenant) | Physician | Medical Writer | Scientific Research

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USD 30/hr
Medicina
Brazil

I am a physician and medical-scientific consultant with clinical experience in adult emergency medicine, occupational health, pre-hospital care...

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USD 30/hr
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Fernanda P.

Scientific Writer for Biotechnology & Natural Products Research |Author of 10+ scientific publications and book chap...

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USD 85/hr
Bioprocess Engineering and Biotechnology
Brazil

PhD in Bioprocess Engineering and Biotechnology with experience in scientific research, R&D, and technical writing. I collaborate with com...

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USD 85/hr
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Dr. Agda Aline R.

PhD | Medical Device Development | Biomaterials | Regulatory Strategy | From Lab to Market

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USD 50/hr
MBA in Industrial and Pharmaceutical Quality Management Auditing
Brazil

I am a Chemical Engineer with a PhD in Materials Science and Engineering and over a decade of experience in medical device R&D, biomaterial...

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USD 50/hr
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Dr. Gabriel C.

PhD Geochemist specializing in subsurface modeling, environmental risk assessment, and spatial data science.

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USD 50/hr
Doctor of Geology
Brazil

PhD Geochemist and Senior Geoscientist with over 15 years of technical experience in subsurface characterization, environmental data science, a...

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USD 50/hr
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Dr. Paul A.

Researcher in evolutionary biology. Expert in classification methods and in statistical modelling.

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USD 20/hr
PhD
Brazil

I am a Phd in paleontology. I mainly work on the evolution of extinct vertebrates like Crocodyliformes and Pterosaurs. My work focuses (1) on t...

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USD 20/hr
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HEITHOR Q.

Remote Sensing Scientist | Geospatial Data Analyst | Python & GEE

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USD 50/hr
PhD Candidate
Brazil

I am a Geospatial Data Scientist, Remote Sensing Specialist, with extensive experience in applied geoinformatics, satellite image processing, a...

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USD 50/hr
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Dr. Vasco N.

Researcher | Peer Reviewer | Data Scientist & Statistician

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USD 50/hr
PhD
Brazil

Has published 50+ articles in peer-reviewed astrophysical journals, population genomics magazines and conference proceedings, and STEM educatio...

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USD 50/hr
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Dr. Bruna V.

Veterinary Anesthesiologist | Medical & Scientific Writer | Clinical Research & AI Data Reviewer

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USD 40/hr
Postgraduate Specialization in Veterinary Anesthesiology, Pain Management and Intensive Care
Brazil

I am a Brazilian veterinarian specialized in Veterinary Anesthesiology, with experience in clinical practice, scientific research, veterinary r...

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USD 40/hr
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Ana Célia S.

Biologist & Biotechnology Researcher | Botany, Natural Products & Scientific Research

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USD 30/hr
Licentiate Degree in Biological Sciences
Brazil

I am a Biologist and MSc researcher in Biotechnology at the Federal University of Bahia (UFBA), Brazil, with a background in Biology education,...

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USD 30/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.

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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.