Hire a Freelance Expert in Brazil

Dr. Cleyton A.

PhD Plant Scientist & Biostatistician | R, Python, Experimental Design & Scientific Writing

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USD 50/hr
Doctor of Science
Brazil

I am a plant scientist and biostatistician with a PhD in Plant Production and more than 10 years of research experience in biological and agric...

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USD 50/hr
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Dr. Alexsandro K.

PhD Physicist | Computational Materials, Materials Informatics, Machien Learning & Local AI model Solutions

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USD 45/hr
Doctoral
Brazil

PhD in Physics with strong expertise in computational materials science, molecular dynamics simulations, and high-performance computing (HPC). ...

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USD 45/hr
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Cíntia T.

PhD Food Scientist | Scientific Writer

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USD 13/hr
PhD Food Science and Technology
Brazil

I am a PhD Food Scientist with expertise in functional foods, nutrition, bioactive compounds, and evidence-based research. I have extensive exp...

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USD 13/hr
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Victor H.

Biotechnologist (M.Sc.) | Biochemistry, HPLC, Quality Control & Data Science (80 characters)

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USD 10/hr
Master of Science (M.Sc.) in Genetics and Biochemistry
Brazil

M.Sc. Biotechnologist and Analytical Chemistry Specialist with extensive experience in chromatography (HPLC, thin-layer, column), liquid-liquid...

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USD 10/hr
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Aline R.

Scientific & Medical Writer | Science Communicator | PhD in Oncology | 14+ Years in Biomedical Research

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USD 45/hr
Postdoc
Brazil

I believe great science doesn't end with discovery—it reaches its full potential when scientific knowledge is communicated with clarity, ac...

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USD 45/hr
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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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Guilherme S.

International Relations Researcher | Global Politics, Risk Analysis & Policy Research

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USD 20/hr
Bachelors in International Relations
Brazil

International Relations researcher and analyst with experience in geopolitical analysis, political risk monitoring, and international affairs r...

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USD 20/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. 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. 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 and PhD in Materials Science and Engineering specializing in the development of medical devices and advanced biomateri...

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USD 50/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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We take several measures to help you work with full confidence and peace of mind.

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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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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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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)

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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.