César Daniel B.

BSc in Chemistry | MScs Petroleum Engineering | PGCert in Research Methodology | SME in Molecular Characterization
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USD 70/hr
Heavy Crude Oil Extraction - Petroleum Engineering
Venezuela

- Specialist in hydrocarbon gas chromatography using Gas Chromatographs with Flame Ionization Detection (GC-FID) and with Selective Detection b...see more

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USD 70/hr
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Dr. Gabriel S.

My experience in chemistry and chemical engineering spans over 22+y, driven to implement industrially relevant solutions
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USD 60/hr
PhD
United States

I can provide you with full experience in academic-level research from an industrial perspective. I enjoy troubleshooting and creative thinking...see more

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USD 60/hr
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Dr. David M.

Freelance Consultant and Professional Engineer: Environment, Sustainability, Aquaculture
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PhD
Malaysia

Professional Civil / Environmental engineer for 25 years. Worked globally in North America, Central, South and South East Asia, Middle East and...see more

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Dr. Oyinkansola S.

Medical Doctor and Writer: Bridging Knowledge and Communication in Healthcare
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USD 40/hr
MPH
United Kingdom

Overview: As a dedicated Medical Doctor and accomplished Research Writer, I bring a unique blend of medical expertise and writing proficiency ...see more

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USD 40/hr
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Dr. NAVARAJ P.

Freelance Evaluator, Statistician, Data Analyst, Thesis writer and Project Proposal designer.
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USD 50/hr
Ph.D
India

Having 40 years of experience in teaching, research, thesis writing, project evaluation, Good knowledge in Statistics, computer application, re...see more

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USD 50/hr
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Dr. Shuaib S.

Freelance technical & scientific writing, data analysis, Lab experimental design, environmental specialist, MS Excel
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USD 60/hr
PhD Chemical Engineering
Pakistan

Strong writing skills, research grants, publications, books, data analysis, MS Excel coding and analysis, MATLAB, Python, Simulation, table cur...see more

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USD 60/hr
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Dr. Oscar M.

Petroleum engineer. Ph.D. in Chemistry and Energy systems. Expert on nanotechnology, energy, and catalysts.
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☆☆☆☆☆
USD 15/hr
PhD engineering
Colombia

Petroleum Engineer with an honorary degree from the National University of Colombia. Currently, working as an occasional professor at the Natio...see more

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USD 15/hr
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Dr. Vijay K.

Have published more than 27 research papers in reputed journals like ACS, RSC, ELSEVIER. I have 8 years of Research Expe
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★★★★★
☆☆☆☆☆
USD 10/hr
Masters of Science
India

Have published more than 27 research papers in reputed journals like ACS, RSC, ELSEVIER. I have 8 years of Research Experience. I have complete...see more

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USD 10/hr
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Dr. Mauricio R.

Dedicated Scientist with Strong Background in Physical Chemistry and Microbiology
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★★★★★
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USD 70/hr
Doctorate of Philosophy in Chemistry
United States

Dedicated and focused scientist with a Ph.D. in Chemistry and a keen interest in interdisciplinary biological/chemical research, microbial meta...see more

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USD 70/hr
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Dr. Muhammad Usman M.

Medical content and copywriter
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USD 15/hr
Medical Writing
Pakistan

I am an experienced and professional medical content writer, copywriter, article/blog writer, and a scientific researcher with a keen interest ...see more

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USD 15/hr
Contact3
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A professional with more than 25 years of experience in Business Development and Management, Implementation of Management Systems and Standards...see more

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Dr. Sampriti K.

Ph.D (Bioenergy-Environment), M.Sc (Environmental Science), Technical content writer, Manuscript publication
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☆☆☆☆☆
USD 15/hr
PhD
India

Researcher with over 8 years of hands-on experience in delivery of experimental, technical, and theoretical components of multifarious R&am...see more

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USD 15/hr
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Dr. Valeria I.

PhD in science (biology) | Expert in (environmental) microbiology
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PhD in science (biology)
Belgium

PhD in science (biology) | Expert on microorganism-plant interactions to 1) develop innovative, sustainable remediation strategies to treat con...see more

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Dr. Nirmala A.

Scientific Writer & Editor | Microbiology | Environmental Science | Bioremediation
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Ph.D. Biotechnology (Submitted)
India

I am a PhD researcher specializing in environmental microbiology and arsenic bioremediation, with a strong background in scientific writing, ed...see more

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Dr. Ghufran U.

Passionate researcher with immense love for science & scientific writings I 5+ years experience in Life Science rese...
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★★★★★
☆☆☆☆☆
USD 10/hr
PhD
Pakistan

I have spent years in publishing original research articles and review articles in peer reviewed international journals. I am always excited ab...see more

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USD 10/hr
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Dr. Rebekah H.

Experienced Science Editor, Writer, Consultant 15+ Years Experience in SciArt, Data Analysis, and Research Communication
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★★★★★
☆☆☆☆☆
USD 100/hr
Ph.D. Aquatic & Benthic Viral Ecology
United States

I am a dedicated scientist with a passion for research, writing, and STEM education. With over 15 years of experience as a freelance scientific...see more

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USD 100/hr
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Dr. Rida F.

Experienced researcher with 8 journal publications and 5 years of experience of scientific writing.
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★★★★★
☆☆☆☆☆
USD 30/hr
PhD Environmental and Water Engineering
Pakistan

Having doctorate in Engineering from world renowned university, I have published eight research articles in Q1 impact factor journals....I have more than five years of experience in research, scientific writing, data analysis, and publication...see more

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USD 30/hr
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Dr. Aleksei S.

PhD Machine Learning @ University of Toronto. Over 9 years experience in ML. Co-Founder & CTO @ Playfair Technologie...
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USD 55/hr
PhD
Canada

Worked on interdisciplinary research and industry projects in machine learning, computational biology, genetics, finance, astrophysics, mental ...see more

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USD 55/hr
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Dr. Basharat H.

Microbiologist & Biofertilizer product developer
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Ph.D. Environmental Science
India

Expertise in management of solid waste, Bioremediation of industrial effluents, Biofertilizer development and product development for entrepren...see more

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Dr. Jordan B.

Freelance Chemistry & Data Analyst | Expert in Risk Assessment & Water treatment
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USD 25/hr
Master
Brazil

Currently realizing Ph.D. Degree in Chemistry from the Federal University of São Carlos with CNPq (National Council for Scientific and Tec...see more

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USD 25/hr
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Dr. James F.

A specialist in using sediments to assess anthropogenic impacts on aquatic environments and reconstruct past climate.
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★★★★★
☆☆☆☆☆
USD 30/hr
PhD Earth and Ocean Science
Malaysia

I am dedicated freelance Earth Scientist currently involved in projects at both the University of Southampton, UK, and School of Biological Sci...see more

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USD 30/hr
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Dr. Muhammad Kashif H.

Ph.D. Biotechnology | R&D Specialist | 15 Years in Academia & Research | Industrial Expert in Molec. & Micro...
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USD 30/hr

🔬 Biotechnology Expert | R&D Consultant | Academic & Industrial Specialist I am a Ph.D. in Biotechnology with 7+ years of aca...see more

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USD 30/hr
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Dr. Aquaeter I.

Environmental Expert
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☆☆☆☆☆
USD 400/hr
Professional Engineer
United States

Dr. Marotta is in charge of Technical aspects of wastewater and air quality projects for AquAeTer. Dr. Marotta provides a broad range of expert...see more

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☆☆☆☆☆
USD 400/hr
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Dr. Guillermo C.

Expert in Natural Hazards and Climate Change | Strong Background in Blockchain Technology | Lecturer
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☆☆☆☆☆
USD 100/hr
Computer Science
Chile

Guillermo Cid is a highly knowledgeable and experienced professional in the field of natural hazards and climate change, with a deep understand...see more

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☆☆☆☆☆
USD 100/hr
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Dr. Hortense S.

Post-doctoral Researcher, 이화여대
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☆☆☆☆☆
USD 80/hr
PhD
Korea, Republic of

I am most excited about building a more sustainable world and how to (re)integrate nature into our cities, buildings and lives. This ambition l...see more

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☆☆☆☆☆
USD 80/hr
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Consult top freelance environmental remediation specialists with expertise in remedial action, preventive action, and more. Kolabtree is the world's largest platform for hiring trusted freelance scientists and consultants.

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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.

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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.