level-one heading

Hire a Freelance Expert in Brazil

Mayana S.

Biologist | Sustainability & ESG Data Analyst | R & GIS Specialist for Biodiversity Monitoring

Create Project
★★★★★
☆☆☆☆☆
USD 15/hr
Bachelor’s in Biological sciences
Brazil

I am a Biologist and Data Analyst specializing in bridging the gap between field ecology and actionable sustainability insights. With 1.5 years...

★★★★★
☆☆☆☆☆
USD 15/hr
Create Project

Dr. Henrique S.

PhD Physicist | Statistical Physics & Complex Systems | Modeling & Simulation (Python/C++)

Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
Ph.D. (Physics)
Brazil

PhD physicist specialized in statistical physics, complex systems, and nonequilibrium transport. I help startups, research groups, and R&D ...

★★★★★
☆☆☆☆☆
USD 50/hr
Create Project

Dr. Lucas G.

Biologist and M.Sc. in Plant Biotechnology (Bioinformatics), currently pursuing a Ph.D. in Plant Biotechnology at UFLA.

Create Project
★★★★★
☆☆☆☆☆
USD 18/hr
M.Sc.Biotechnology
Brazil

I build and run bioinformatics pipelines for genomics and transcriptomics in general, including: - Quality control and trimming (fastp, FastQC,...

★★★★★
☆☆☆☆☆
USD 18/hr
Create Project

Alveris B.

Alveris Bioscience — Four Bioprocess & Biotechnology Engineers delivering cutting-edge biotech solutions.

Create Project
★★★★★
☆☆☆☆☆
USD 40/hr
Bachelor’s Degree in Bioprocess and Biotechnology Engineering
Brazil

Alveris Bioscience is a biotechnology startup founded by four Bioprocess and Biotechnology Engineers from UNESP Botucatu, dedicated to deliveri...

★★★★★
☆☆☆☆☆
USD 40/hr
Create Project

Maria B.

Freelance Writer & Content Humanizer

Create Project
★★★★★
☆☆☆☆☆
USD 60/hr
Professional Writing
Brazil

I specialize in writing and humanizing high-quality content for blogs, websites, and marketing materials. I deliver fully polished, ready-to-pu...

★★★★★
☆☆☆☆☆
USD 60/hr
Create Project

Denis D.

Physics researcher at NeuroPhysics lab, specializing in statistical modeling, complex systems, and scientific computing.

Create Project
★★★★★
☆☆☆☆☆
USD 20/hr
Bachelors in Science (Physics)
Brazil

I am Denis Domeniconi Caprioti , a Physics Reasercher at the Federal University of Santa Catarina (UFSC) with a passion for decoding the "...

★★★★★
☆☆☆☆☆
USD 20/hr
Create Project

Dr. Carolina N.

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

Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 35/hr
Create Project

Dr. Fernanda de Carvalho A.

Ph.D. Social Anthropologist | Expert in Qualitative Research, Ethnography & UX Insights

Create Project
★★★★★
☆☆☆☆☆
USD 45/hr
Ph.D. in Social Anthropology
Brazil

Social Anthropologist | Ph.D. | Researcher & Academic Consultant I am a Social Anthropologist (Ph.D., UFRN) specializing in ethnographic m...

★★★★★
☆☆☆☆☆
USD 45/hr
Create Project

Kamila D.

Biotechnology Specialist | Microbial Bioprocessing & Molecular Biology | Antimicrobial Peptides | R&D in Agro &a...

Create Project
★★★★★
☆☆☆☆☆
USD 35/hr
PhD student
Brazil

Biotechnology professional with a PhD in Genomic Sciences and Biotechnology and over 10 years of experience in molecular biology and microbial ...

★★★★★
☆☆☆☆☆
USD 35/hr
Create Project

Túlio C.

Senior Chemical Process Engineer I Mass & Energy Balance I HAZOP I Equipment Sizing

Create Project
★★★★★
☆☆☆☆☆
USD 60/hr
Mechanical Engineering
Brazil

Senior Chemical Engineer with 20+ years of experience in process engineering, mass and energy balances, heat transfer, equipment sizing and ind...

★★★★★
☆☆☆☆☆
USD 60/hr
Create Project

Guilherme S.

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

Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 20/hr
Create Project

Gianmarco M.

Biostatistics · Statistical Modeling in R · Online Instructor · PhD Researcher

Create Project
★★★★★
☆☆☆☆☆
USD 100/hr
Masters of Science
Brazil

I work at the intersection of biostatistics, data science, and education, building practical statistical workflows in R for real-world data pro...

★★★★★
☆☆☆☆☆
USD 100/hr
Create Project

Fernando R.

Statistical Consultant | Data Scientist | Research, Clinical & Survey Analysis (R / Python / SPSS)

Create Project
★★★★★
☆☆☆☆☆
MBA
Brazil

I am a data scientist and statistical consultant specializing in applied statistical analysis for research and data-driven projects. My work f...

★★★★★
☆☆☆☆☆
Create Project

Dr. Kaline Aparecida W.

Scientific Editing | Data Analysis | Figures and Visualization

Create Project
★★★★★
☆☆☆☆☆
USD 75/hr
PhD student in Soil Science
Brazil

I am a researcher in Soil Science with experience in scientific writing, data analysis, and the preparation and revision of academic manuscript...

★★★★★
☆☆☆☆☆
USD 75/hr
Create Project

Dr. Simone W.

Physician | Medical Reviewer | Research & Evidence Synthesis | Medical Translator & Editor (EN<>PTBR)

Create Project
★★★★★
☆☆☆☆☆
USD 40/hr
Medicina
Brazil

I am a physician and practicing general practitioner with experience in clinical research, systematic reviews, and evidence-based medical writi...

★★★★★
☆☆☆☆☆
USD 40/hr
Create Project

Dr. Ricardo S.

PhD Chemist & University Professor, Biotechnology, Bioactive Compounds, Microencapsulation and Nutraceutical Develop...

Create Project
★★★★★
☆☆☆☆☆
USD 85/hr
PhD
Brazil

PhD in Chemistry with experience in analytical chemistry, biotechnology, and applied research involving natural products and chemical sensors. ...

★★★★★
☆☆☆☆☆
USD 85/hr
Create Project

Fernanda P.

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

Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 85/hr
Create Project
pay-per-click
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.