Dr. Ezequiel B.
I earn my PhD in Physics working in theoretical physics. My field of expertise general relativity, cosmology and astrophysics. I have a strong...
I am very passionate about research and development. I am interested in science and technology and have a strong interest in pursuing a researc...
I am an experienced Renewable Energy Engineer with specialized expert knowledge and experience in Solar PV Installations, Bio-Energy Systems, d...
Dr. Muhammad Usama S.
I have a PhD in Mechanical Engineering and have been working as a Mechanical Engineering for over ten years. In my career, I have worked in a ...
Dr. Dhruv B.
I am a PhD Candidate in astrophysics at Queen's University, working on the 3D kinematic modelling of Virgo cluster galaxies, in hopes of di...
Doctor Romain R. El Sair BSc, MSc, MPhil, PhD, AMRSC Dr. Romain El Sair studied at the Universita degli Studi di Bologna, Italy (BSc), at the ...
Dr. Laurel K.
With degrees (some ongoing) from Yale, Oxford, and Duke, and award winning publications, I deliver pieces with a high degree of technical accur...
Dr. Ross P.
Expertise: Scientific writing | Data analysis | Peer-review | Python. Seven years post-PhD experience in academia and industry as a planetary...
Dr. Debdutta P.
I am experienced in writing on topics related to academia. Given a topic of interest, I can either explain it simply, or elaborate heavily, dep...
▪ Technical development of solar thermal technologies for water desalination ▪ Technical development of zeolite-based thermal storage devices f...
Dr. Robert J C.
I am an astrophysicist with a strong background in scientific writing, strategic thinking, leadership and machine learning.
Dr. Davide P.
I am a freelancer scientific visualization software developer based in Marseille (FR), specialized in GPU and HPC computing. I also design and ...
Eranga Thilina J.
I'm a young energetic self-motivated and competent person in multiple scientific disciplines. I'm a Specialist in Food Microbiology. In...
Daniel kamonde kamondedaniel@gmail.com solar engineer To whom it may concern when you are looking for a qualified solar and engineer am excited...
Teaching physics from last 8 years up to graduate level. Electromagnetism, thermodynamics, waves and oscillation, atomic and nuclear physics, m...
I have 20 years experience in software development (C, VB6, PHP)....Currently I develop software for publication (see hermetic.ch and planetary-aspects.com) and write custom...
Edmondo M.
Astrophysicist with excellent problem solving skills acquired during University studies. My degree allowed me to get acquainted with both exper...
I have an experience on different energy efficiency projects related to energy efficiency increase in buildings, industrial objects and energy ...
Kimberley B.
Experienced and passionate copywriter with 9 years' experience writing and editing content for websites and publications to drive traffic, ...
Kolabtree is the leading online marketplace for Astronomy experts. Post your project, get bids, and hire qualified experts quickly and easily.

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. Sign NDAs 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 clause. You can also sign NDAs and custom agreements with freelancers for additional protection.
Post your project and receive quotes from relevant freelancers. You can also search for specific freelancers by expertise and invite them to your project. Discuss your project details with each freelancer before picking the one best expert.
We assure you of a 100% satisfaction guarantee, which means you only pay when you’re 100% satisfied with the work delivered. If you aren’t happy, we will refund 100% of your money.
You can choose to pay either a fixed or an hourly fee based on your scope of work. If you’re not sure how much your project costs, you can discuss with freelancers before arriving at a mutually agreed fee.
Kolabtree's terms and conditions prohibit freelancers from claiming ownership of intellectual property, and as a client, you are able to reinforce the message with additional communication, agreements or contracts.
Contact experts directly
Speak directly with freelancers and explain your requirements.
100% satisfaction guaranteed
Pay only once work is delivered and you’re happy with it.
No upfront fees
No minimum commitment or contract required.
Flexible, secure payments
Pay a fixed or hourly fee. We hold your funds in escrow until you’re ready to pay.
Post project (Free)
Post your project publicly for all freelancers to view and send you proposals, or interact with specific freelancers privately.
Choose the best expert
Get bids from relevant experts. Interact freely with them before making a hire.
Collaborate
Share files, make audio/video calls and collaborate with your chosen expert.
Complete project
Verify the project is complete to your satisfaction before paying the expert.