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Hire a Freelance Expert in Spain

Dr. Jefferson S.

PhD | Water Treatment & Environmental Technologies | AOPs, Membranes, R&D & Technical Advisory

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USD 80/hr
PhD (Chemistry)
Spain

I am a PhD in Environmental and Chemical Engineering with more than 7 years of postdoctoral and applied research experience in environmental te...

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USD 80/hr
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Dr. Yassir B.

Postdoctoral Researcher | Molecular Modelling | Cheminformatics

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USD 20/hr
Doctor of Philosophy
Spain

I am a computational drug discovery specialist and postdoctoral researcher with expertise in molecular modeling, cheminformatics, and AI‑driven...

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USD 20/hr
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Fabio C.

I am a multidisciplinary expert that combines science and policy into sustainable fisheries and marine conservation.

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USD 60/hr
Master of Environmental Science and Management
Spain

I am a highly adaptive professional that thrives at the intersection of marine sciences, law, and policy design. I combine a strong scientific ...

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USD 60/hr
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Dr. Dr. Marie Gabrielle L.

Physician & Clinical Pharmacologist | 20+ Years Medical Writer | Clinical Trial Design & Regulatory Writing

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USD 40/hr
Postgrad Diploma in Computer Applications
Spain

A board certified specialist in Internal Medicine (Diplomate and Fellow of the Philippine College of Physicians) and a clinical researcher. An ...

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USD 40/hr
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Agustín C.

R&D Engineer for Medical Devices | AI & Machine Learning Engineer specializing in biomedical signal processing

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USD 25/hr
Master in Artificial Intelligence
Spain

I am a Biomedical Engineer and AI Master's student at UPC with 3+ years of hands-on experience applying machine learning and data science t...

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USD 25/hr
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Anna Á.

Senior Medical Writer | Expert in Scientific Communication, Content Creation, Scriptwriting, and eLearning

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USD 80/hr
Master’s degree in Phytotherapy
Spain

Senior Medical Writer with 15+ years of experience in scientific communication, content creation, and scriptwriting. Specialized in digital and...

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USD 80/hr
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Dr. Ruben P.

Freelance science writer with a PhD in Ecology

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USD 20/hr
PhD in Ecology
Spain

Freelance scientific writer with expertise in health and natural sciences. Research experience in plant ecology and dynamic ecological modeling...

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USD 20/hr
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Dr. Laura E.

Medical Writer & Research Consultant | PhD & Immunology specialist | Clinical Scientist

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USD 90/hr
PhD in Immunology
Spain

I am a bilingual (EN/ES) medical writer and research consultant with a PhD in Immunology, combining hands-on clinical experience with strong ex...

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USD 90/hr
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Dr. Krisela P.

Public Health Researcher | Epidemiology | Systematic Reviews | Health Data Analysis

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USD 25/hr
Master in Quality and Food Safety
Spain

Public Health researcher and PhD candidate currently conducting research in epidemiology and population health. My work focuses on systematic r...

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USD 25/hr
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Juan José R.

Health Economist (PhD) | Public Health & Health Policy | Outcomes Research

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USD 60/hr
Phd en Economía de la Salud ( Health economics)
Spain

am a Health Economics PhD researcher with a strong background in Public Health and applied health policy. My work focuses on how healthcare sys...

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USD 60/hr
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Dr. Ramon R.

Protein engineer who codes. Antimicrobials, gene therapy, ML-guided design — from sequence to bench.

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USD 120/hr
PhD in Biomedicine, Biochemistry and molecular biology
Spain

Protein engineer turned computational biologist. Designs antimicrobials and gene therapy vectors where ML pipelines meet bench validation.

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USD 120/hr
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Dr. Aurora C.

Bioinformatics & aDNA Specialist | PhD in Molecular Biology | Expert in Snakemake Pipelines & Population Genetic...

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USD 45/hr
Doctorate
Spain

I am a PhD-trained molecular biologist with over 6 years of postdoctoral experience in bioinformatics, specializing in ancient DNA (aDNA), popu...

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USD 45/hr
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Gabriela U.

Medical Writer & Clinical Scientist | Pediatric Neurology, Rare Diseases & Clinical Research

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USD 60/hr
Pediatric Neurology
Spain

I am a biomedical researcher and clinical scientist with expertise in pediatric neurology and rare neurological diseases. My work combines clin...

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USD 60/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.