Hire a Freelance Expert in Brazil

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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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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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. 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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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. Nayyab H.

PhD Researcher | IEEE Paper Editing & MATLAB Simulation | Signal Processing & 6G Communications

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USD 40/hr
MS Electrical Engineering
Brazil

PhD candidate in Electrical Engineering at PUC-Rio, Brazil, specializing in near-field XL-MIMO, 6G communications, and iterative signal process...

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USD 40/hr
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Lívia A.

Engenheira Agrônoma ( PhD)

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Doutorado
Brazil

Engenheira Agrônoma ( PhD)

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Dr. Rafael N.

Ph.D. Electrical Engineer | Expert in Microelectronics, Analog IC Design & Technical Writing

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USD 20/hr
Graduação em Matemática
Brazil

I am a Ph.D. in Electrical Engineering and a post-doctoral researcher specializing in microelectronics, analog integrated circuit design, and h...

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USD 20/hr
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Rosane .

Scientific Writer, Editor, Peer Reviewer & Research Consultant | PhD, 9+ Years in Life Sciences & Veterinary Med...

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USD 55/hr
PhD
Brazil

I am a scientific writer, editor, peer reviewer, and research consultant with a PhD in Veterinary Sciences and 9+ years of international resear...

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USD 55/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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Dr. Bruna Caroline P.

Medical & Scientific Writer | Literature Review | Manuscripts & Research Content | Biomedical Research

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USD 40/hr
PhD in Biochemistry
Brazil

• Biomedical Scientist with a PhD in Biochemistry and 10+ years of experience in biomedical research, including preclinical and clinical studie...

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USD 40/hr
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Dr. Jorge G.

Veterinary Epidemiologist | Animal Health Surveillance, Risk Assessment & Scientific Writing

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USD 60/hr
PhD in Animal Health
Brazil

Veterinarian and PhD in Animal Health with over 20 years of experience in official veterinary services, animal disease surveillance, epidemiolo...

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USD 60/hr
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Dr. Darlinton C.

R&D specialist with 15+ years of experience creating innovative software solutions

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USD 128/hr
PhD Computer Science
Brazil

My work combines applied research, software engineering, and innovation, with a focus on transforming emerging technologies and research ideas ...

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USD 128/hr
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Dr. Larissa B.

Soil Scientist; Soil Health & SOC; Cropping Systems & Resilience; PhD Candidate – ESALQ/USP; MBA Agribusiness/ ...

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Master of Science (MSc)
Brazil

I provide scientific and editorial support for researchers, academic institutions, and businesses that need to structure, review, or strengthen...

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Nicolas P.

Freelance Bioinformatics MS student | Microbial Genomics | Python, Julia, R

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Biotechnology
Brazil

Bioinformatics Master's student with main experience on agricultural microbial biotechnology.

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Dr. Vinicius D.

Sensors - Python - Machine Learning and Deep Learning for Signal Processing - Spectroscopy

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USD 30/hr
PhD - Electrical Engineering (Photonics)
Brazil

PhD with a research background in sensors and spectral data analysis. I develop machine learning models, including CNNs, regression, and tradit...

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USD 30/hr
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LUCAS D.

Civil Engineer - Cost Estimating, Property Appraisal & Technical Review, EN-PT Translation

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USD 40/hr
Bachelor's Degree in Civil Engineering
Brazil

Licensed Civil Engineer (CREA-MS, Brazil) with 15+ years of experience in structural analysis, geotechnical review, and infrastructure engineer...

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USD 40/hr
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Dr. Celli M.

Plant Microscopy Specialist | Scientific Editor | Electron & Confocal Microscopy Expert

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USD 50/hr
Doctorate
Brazil

I am a Biotechnology Researcher, Scientific Editor, and Microscopy Specialist with over 20 years of experience in agricultural research, Food Q...

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USD 50/hr
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Nathalia L.

Biomedical Scientist | Clinical Research, Data Analysis & Scientific Writing

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USD 40/hr
Masters' Degree
Brazil

Biomedical scientist and PhD researcher in Neurology with an MSc and 7+ years of experience in biomedical research, including two years of rese...

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USD 40/hr
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Bruna P.

Physician | Medical & Scientific Writer | Psychiatry, Clinical Research & Evidence-Based Medicine

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USD 40/hr
Medical Degree (MD)
Brazil

Medical doctor with postgraduate training in Psychiatry and experience in clinical practice, medical education, scientific research, and eviden...

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USD 40/hr
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Rayssa T.

Médica (CRM-MG 67443) | Dermatologia, Medicina de Família e Terapia Intensiva | Consultoria Clínica e Par...

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USD 100/hr
ESPECIALIZAÇÃO
Brazil

Ajudo empresas, clínicas e organizações de saúde a resolver desafios clínicos e operacionais com o respaldo de uma m&#...

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USD 100/hr
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Bruno D.

Dentist & Public Health Researcher | Systematic Reviews | Evidence Synthesis | Scientific Writing

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USD 30/hr
Master in Collective Health
Brazil

Dentist and public health researcher with experience in primary health care, clinical dentistry, oral surgery, evidence synthesis, systematic l...

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USD 30/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.