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Hire a Freelance Expert in Brazil

Dr. Amabily B.

Doctoral Ecologist | Data Analyst & Scientific Designer | R, GIS & Peer-Reviewed Graphics | Data Visualization

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USD 35/hr
PhD in Ecology and Evolution
Brazil

Postdoctoral researcher at the Universidade Federal do Paraná (UFPR) and founding partner of DataChaos, a company specialized in ecologica...

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USD 35/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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Alveris B.

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

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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...

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USD 40/hr
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Nicolas O.

PhD Researcher | Remote Sensing | Environmental Data Analysis | Statistical Programming | Scientific Writing

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USD 55/hr
PhD in Soil Science
Brazil

Agricultural Engineer with an MSc in Natural and Agricultural Ecosystems and ongoing PhD training in Soil Science. I work with remote sensing, ...

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USD 55/hr
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Dr. José Matheus G.

Engenheiro agrônomo freelancer/ Mestre em produção vegetal/ Especialista em planejamento e conduç&#...

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USD 25/hr
Mestre em produção vegetal
Brazil

Engenheiro Agrônomo e mestrando em Produção Vegetal, com experiência em pesquisa científica, análise estatís...

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USD 25/hr
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Felippe E.

Neuroscientist | Data Scientist| Health Science & Analytics | Research Consultant | PhD

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USD 45/hr
PhD / Biochesmistry
Brazil

I am a data scientist with a background in neuroscience and over eight years’ experience applying advanced analytics to complex datasets. I thr...

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USD 45/hr
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Ruan S.

Applied Mathematician (PhD student) | Data Science, Statistical Modeling, Optimization & Scientific ML

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USD 50/hr
Phd in Applied Mathematics
Brazil

Applied-mathematics researcher. Ph.D. student in Applied Mathematics (FGV/EMAp, stochastic optimization for power systems) and M.Sc. in Systems...

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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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Diego M.

Molecular Docking and Virtual Screening Specialist

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USD 100/hr
Pesquisador externo
Brazil

Minha linha de pesquisa concentra-se no desenvolvimento, caracterização e análise de novas entidades químicas (NEQs), com f...

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USD 100/hr
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Barbara D.

Academic Researcher | Literature Reviews | Scientific Writing | Qualitative Research | Ghostwriter

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USD 29/hr
Master of Arts in Anthropology
Brazil

I am an academic researcher with a Master's degree in Anthropology and experience in qualitative research, academic writing, literature rev...

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USD 29/hr
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Dr. Lucas G.

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

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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,...

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USD 18/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. Mateus G.

Cell & Molecular Biology Researcher | CRISPR Expert | Scientific Writing & Technical Editing

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USD 20/hr
PhD Biomedical Sciences
Brazil

Biomedical Scientist and PhD Candidate in Cell and Molecular Biology with extensive experience in cancer research, protease analysis, and gene ...

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USD 20/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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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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Julio R.

Molecular Biologist | Bioinformatics, RNA-seq Analysis & Science Tutoring

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USD 20/hr
Master´s Student
Brazil

I'm a molecular biologist and bioinformatician with 3+ years of hands-on research experience in genomics, RNA-seq/DNA-seq pipelines, and re...

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USD 20/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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Matheus D.

Pharmacist and PhD candidate in Toxicology at the University of São Paulo, Expert in R, POPPK, ML and Clinical PK

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USD 60/hr
M.Sc (Master of Science)
Brazil

PROFESSIONAL SUMMARY Pharmacist (BPharm) and PhD candidate in Toxicology at the University of São Paulo, working at the interface of clini...

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USD 60/hr
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Caio F.

Oral and Maxillofacial Surgeon with a Master's degree and experience in medical imaging and AI training.

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USD 45/hr
Mestrado
Brazil

Oral and Maxillofacial Surgeon with a completed Master's degree and experience in clinical research, evidence-based dentistry, and scientif...

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USD 45/hr
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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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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.