15,000+ Scientists & Academics
2,000+ Scientific disciplines
$9M+ worth of projects posted
Trusted by 2,500+ businesses

Hire a Freelance Expert in Croatia

Andrea Milišić

Mathematics | Statistics | Programming

Request a Service
$30.00/hr
Master of Science in Mathematics
Croatia

Fresh from college, I just got my Masters degree in Mathematics and I want to use my knowledge to help you. If you need help solving a set of...

$30.00/hr
Request a Service

Dr. Ivana Buric

Interdisciplinary scientist | Expert in research, writing & SPSS

Request a Service
$40.00/hr
PhD student
Croatia

I have a PhD in Psychology and Behavioural Sciences from Coventry University (UK), and I am currently working part-time towards a second PhD fr...

$40.00/hr
Request a Service

Dr. Ivor Loncaric

Condensed Matter Physicist | High Performance Computing specialist | Expert in density functional theory

Request a Service
$40.00/hr
PhD in Physics
Croatia

Modeling advanced materials using density functional theory: calculations of electronic, structural, vibrational, and other properties for diff...

$40.00/hr
Request a Service

Dr. Mirjana Polovic

PhD in Molecular Biology. Finished courses on medical writing

Request a Service
$50.00/hr
Master of Science
Croatia

Finished a PhD thesis in molecular biology, focus on long-noncoding RNAs and human renal cells.

$50.00/hr
Request a Service

Chris Tapper

Full Stack Developer and Consultant specialising in data-driven web applications

Request a Service
$80.00/hr
Bachelor of Engineering (Mechatronic Systems) with Honours
Croatia

Hi, I'm Chris! I'm a software developer and data scientist passionate about the environment, sustainability, and automation. I'm he...

$80.00/hr
Request a Service

Maks Deranja

Master’s student studying Zoology at University of Zagreb.

Request a Service
$11.00/hr
Bachelor degree
Croatia

Young and enthusiastic biologist in search of additional experience in my field. I just recently started writing scientific papers with a coupl...

$11.00/hr
Request a Service

Marina Piria

Ichthyologist

Request a Service
$40.00/hr
DSc
Croatia

My research is mainly focused on invasive fish biology

$40.00/hr
Request a Service
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. 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.

Why Kolabtree

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.

How it works View full page
1

Post project (Free)

Post your project publicly for all freelancers to view and send you proposals, or interact with specific freelancers privately.

2

Choose the best expert

Get bids from relevant experts. Interact freely with them before making a hire.

3

Collaborate

Share files, make audio/video calls and collaborate with your chosen expert.

4

Complete project

Verify the project is complete to your satisfaction before paying the expert.