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Hire a Freelance Expert in Brazil

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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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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Evando S.

Healthcare & Dental Researcher | Evidence-Based Research & Systematic Reviews | Radiology, Imaging, Endodontics ...

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USD 30/hr
Master of Science in Dentistry
Brazil

I specialize in healthcare research, with a focus on Dental Radiology, Imaging, and Endodontics, and advanced expertise in evidence-based resea...

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USD 30/hr
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Jose Francis O.

Pharmacist and Neuroscientist for scientific and medical writing

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USD 100/hr
PhD in Human Physiology
Brazil

I have a wide background in neurosciences, with expertise in the serotonergic system and how it can affect behavior. In my PhD thesis, I invest...

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USD 100/hr
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Dr. Bruno L.

Physician (MD) | Medical Writer & Consultant — Obesity, GLP-1/Incretins & Cardiometabolic Disease

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USD 75/hr
Doctor of Medicine
Brazil

Physician (MD, 12+ years) specializing in obesity, type 2 diabetes, and cardiometabolic disease, with hands-on expertise across the GLP-1/incre...

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USD 75/hr
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Letícia B.

Legal and financial translator/proofreader/editor 15+ years of experience (English, Spanish, Portuguese BR, French)

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USD 20/hr
Bachelor
Brazil

16 years of experience in the translation and localization industry; Lawyer enrolled with the Brazilian Bar Association (OAB), 2017; Extensive...

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USD 20/hr
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Dr. ROMINA MARGARITA H.

OB-GYN / Medical Doctor | Master's in Public & Collective Health

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USD 50/hr
Master Degree
Brazil

Medical doctor, specialist in Obstetrics and Gynecology. Master degree in Public Health (area: epidemiology) with focus on research about Sexua...

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USD 50/hr
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Dr. Viviane M.

Researcher in Artificial Intelligence, Machine Learning and Computer Vision

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USD 20/hr
Master’s in Applied Mathematics
Brazil

I am a Master’s and PhD candidate in Applied Mathematics at UNICAMP with experience in Artificial Intelligence, Machine Learning, and Computer ...

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USD 20/hr
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Dr. Milena D.

Clinical & Oncology Nutrition Researcher | Scientific Writer

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USD 25/hr
Master in Health Technologies
Brazil

I am a clinical nutritionist with over six years of experience in clinical and oncological nutrition. I hold a degree in Nutrition, completed a...

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USD 25/hr
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HOANA O.

Ecologist and Biologist | Biodiversity Research, Scientific Writing and Environmental Consulting

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USD 35/hr
Master's Degree in Ecology and Natural Resource Management
Brazil

I am a biologist with a Master's degree in Ecology and experience in biodiversity research, environmental consulting, teaching, and scienti...

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USD 35/hr
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Dr. Rafael A.

Msc, PhD candidate Toxicology | Risk Assessment | Statistical Analysis in R | Systematic Review

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USD 50/hr
Mestrando
Brazil

I am a Pharmacist and PhD Candidate in Pharmaceutical Sciences (Toxicology) at UNIFAL-MG, Brazil, with 9+ years of operational experience as a ...

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USD 50/hr
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Dr. Ana Luiza de Oliveira R.

Medical Doctor (MD) | Medical Writer & Clinical Reviewer

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USD 40/hr
Doctor of Medicine (M.D.)
Brazil

I am a Medical Doctor (MD) and medical writer with clinical experience in urgent and emergency care, public health, and evidence-based medicine...

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USD 40/hr
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Patrick S.

Biomedical Illustrator & Python Data Analyst | Scientific Data Visualization

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USD 20/hr
Web Design
Brazil

I help researchers, biotech startups, and healthcare professionals translate complex biological data into publication-ready visual assets and c...

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USD 20/hr
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Ana Catharina B.

Beauty Innovation Consultant | Cosmetic Science | Product Strategy | Consumer Insights

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USD 60/hr
Master in Pharmaceutical Sciences
Brazil

I help beauty companies transform scientific innovation into differentiated products with strong consumer value. With over 7 years of experien...

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USD 60/hr
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Dr. Pedro Emmanuel B.

Clinical Epidemiologist & Data Analyst | Clinical Research & Public Health Specialist (100 caracteres)

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USD 95/hr
PhD in Public Health / Epidemiology
Brazil

I am a Senior Clinical Epidemiologist and Academic Researcher with extensive experience in clinical research, infectious diseases, and public h...

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USD 95/hr
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Yasmim G.

Chemist with 7+ years of experience in medical research

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USD 30/hr
PhD student
Brazil

I have dedicated my research endeavors to the comprehensive exploration of diverse scientific domains. Initially, my focus centered on the synt...

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USD 30/hr
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Dr. Ivan M.

Freelance Pharmacokinetics, P&DI & Clinical Research Consultor | PhD in Pharceutical Sciences Scientific Writer

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Doctor of Pharmacy
Brazil

Currently offering freelance services in clinical research, pharmacokinetics (including in silico Early DMPK predictions), and scientific writi...

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Dr. Rodrigo B.

Biochemist with Extensive Experience in Research

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USD 20/hr
Doctorate
Brazil

Over a decade of commitment to research, I have cultivated a diverse skill set that has driven my professional development. Throughout this per...

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USD 20/hr
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Dr. Taluany S.

Biologist | PhD student | Paleontology research

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USD 20/hr
Mestre
Brazil

I am PhD student in Geoscience with experience in scientific research and academic writing. My work focuses on paleobotany, specifically in pal...

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USD 20/hr
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Dr. Andre F.

Expert in scientific writing and review

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Doutorado
Brazil

I am a Bioprocess Engineer (B.Sc. 2021) and Biotechnologist (M.Sc. 2023) now completing a PhD in Bioprocess & Biotechnology Engineering at ...

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Giancarlo G.

Quantum Computing Researcher | Anomaly Detection | Qiskit & Quantum ML Expert | Algorithm development

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USD 50/hr
Master
Brazil

I am a researcher in quantum computing with a strong academic and industry background, currently focused on developing quantum algorithms for a...

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USD 50/hr
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Dr. Juliana Cristina P.

Versatile scientist skilled in cancer research, microbiology, biochemistry, epigenetics, and biotech consulting.

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USD 20/hr
Doctor of Philosophy (Ph.D)
Brazil

Ph.D. in Microbiology and Immunology with extensive experience in biomedical research, specializing in the discovery of bioactive compounds wit...

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USD 20/hr
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Dr. Grace M.

Board-Certified Vascular Surgeon, PhD | Expert in Endovascular Research, Systematic Reviews & Clinical Guidelines

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USD 150/hr
M.D.
Brazil

I am a board-certified vascular surgeon and PhD with over 15 years of clinical and academic experience. I currently serve as an Associate Profe...

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USD 150/hr
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Fernando J.

Aquaculture nutrition specialist | R&D of functional feed additives | Data analysis & scientific writing

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USD 80/hr
Visiting scholar - Sandwich PhD Program and Postdoctoral Degree
Brazil

Veterinarian with a Master’s and PhD in Pharmacology applied to aquaculture. Researcher and consultant specialized in fish nutrition and health...

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USD 80/hr
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Dr. Patricia D.

PhD Pharmacist | Scientific & Regulatory Writer | Pharmaceutical R&D Expert

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USD 25/hr
Doctorate
Brazil

I am a Pharmacist with a PhD in Sciences Applied to Health Products (UFF) and a Master’s degree in Pharmaceutical Sciences (UFRJ), combining ov...

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USD 25/hr
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Confidentiality Assured

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.

NDAs and IP protection

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.