Top Freelance Web Application Developers for Hire

Dr. Jose U.

Scientific Consultant - Imaging Sciences and Data Analysis
Create Project
★★★★★
☆☆☆☆☆
USD 80/hr
PhD
Chile

I am an MRI physicist and imaging scientist with more than 15 years of experience developing imaging biomarkers for the pharmaceutical and medi...

★★★★★
☆☆☆☆☆
USD 80/hr
Contact3

César Daniel B.

BSc in Chemistry | MScs Petroleum Engineering | PGCert in Research Methodology | SME in Molecular Characterization
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 70/hr
Contact3

Kelvin E.

Scientist✓AI Language Professional✓Tutor Writer✓Content Scientist✓Data Analyst✓Technologist✓New Business Developer✓7 Yrs
Create Project
★★★★★
☆☆☆☆☆
USD 10/hr
Geology
Nigeria

I AM a Scientist, Content Marketing Strategist, and New Tutor with Excellent knowledge and understanding of broad Scientific, Content Marketing...

★★★★★
☆☆☆☆☆
USD 10/hr
Contact3

Dr. Corentin G.

Associate Prof in a Parisian University | 20+ papers in Medical & Psychological journals | Expert in R, Python, CSS ...
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
PhD in Neuropsychology
France

Current position. I am an Associate Professor in Neuropsychology at Paris Nanterre University (FR) and a visiting senior researcher at Southamp...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Dr. Jean J.

Freelance Senior Ultrasound Physicist, Data Scientist, Software and web developer
Create Project
★★★★★
☆☆☆☆☆
USD 250/hr
PhD - Physics
France

I am a highly experienced ultrasound engineer with a PhD in Physics/Ultrasound Imaging. I have over 10 years of experience in the ultraso...

★★★★★
☆☆☆☆☆
USD 250/hr
Contact3

Dr. Ari J.

Particle physicist-turned-investment professional
Create Project
★★★★★
☆☆☆☆☆
USD 80/hr
Masters of Business Administration (MBA)
France

Ari is a particle physicist-turned-investment professional with a PhD in theoretical particle physics and an MBA. His career has spanned academ...

★★★★★
☆☆☆☆☆
USD 80/hr
Contact3

Mohamed A.

HTE | Medicinal Chemistry | Full Stack Cheminformatics AI/ML | CADD | MERN Stack developer | Bioinformatics
Create Project
★★★★★
☆☆☆☆☆
USD 75/hr
Bachelor in Pharmacy
United States

I am a Pharmacist and a Full stack Chemoinformatics AI/ML. I have over three years of software experience, two years of chemo- and bioinformati...

★★★★★
☆☆☆☆☆
USD 75/hr
Contact3

Dr. Tin L.

Expert in Machine Learning, Robotics, and anything Computer Science related.
Create Project
★★★★★
☆☆☆☆☆
USD 60/hr
Computer Science
Australia

I am an enthusiastic individual who persuades to exceed expectations. Collaboration and working as a team always help me to think from a new an...

★★★★★
☆☆☆☆☆
USD 60/hr
Contact3

Dr. Allysson A.

Senior Bioinformatician | Expert in human evolution, medical and population genetics
Create Project
★★★★★
☆☆☆☆☆
USD 280/hr
Msc in Archaeology
Brazil

I have a strong background in bioinformatics with experience in next-generation sequencing (WGS, WES, Metagenomics). Some tools that I used onl...

★★★★★
☆☆☆☆☆
USD 280/hr
Contact3

Alae-eddine S.

Developer and Biologist
Create Project
★★★★★
☆☆☆☆☆
USD 15/hr
Computer engineering
Morocco

I study as a developer and a biologist, my passion is programming and I like to know how things work and are composed. I am proficient in progr...

★★★★★
☆☆☆☆☆
USD 15/hr
Contact3

Peter J.

Senior SW/HW Engineer & Data Science Leader | Expert in Python, Machine Learning, Deep Learning and MATLAB
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
MSc Telecommunications, BSc Computer Science
Japan

Senior Engineer possessing extensive experience as a software developer, with a solid academic and engineering background. Began professional j...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Dr. Rajinder G.

Highly skilled and qualified bioinformatician | Innovative and unconventional problem solver
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
PhD
India

With a PhD in Bioinformatics, M.Tech. in Computational Biology, and B.Tech. in Biotechnology, I possess extensive training in bioinformatics an...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

Dr. Jago V.

Data Scientist | Data Engineer | Web developer
Create Project
★★★★★
☆☆☆☆☆
USD 45/hr
Data Scientist with Python
Australia

I'm an experienced Data Scientist with a passion for data analysis, data engineering, and developing webpages and web applications. Expert...

★★★★★
☆☆☆☆☆
USD 45/hr
Contact3

Dr. Bradley B.

Dr. B uses technology to help people know their value and impact on the planet
Create Project
★★★★★
☆☆☆☆☆
USD 100/hr
Ph.D. Geological Sciences
United States

Dr. B is a transdisciplinary, senior geoscientist and certified geospatial intelligence professional. His training in geosciences combines with...

★★★★★
☆☆☆☆☆
USD 100/hr
Contact3

Jonathan C.

Controlled Substances Psychopharmacology | Freelance Data Scientist, Data Engineer | Cannabis
Create Project
★★★★★
☆☆☆☆☆
USD 100/hr
Neuroscience, PhD
United States

Subject Matter Expert on Psychopharmacology (Drugs, Brain, Behavior). A neuroscientist participating in the emergence of Psychedelics &...

★★★★★
☆☆☆☆☆
USD 100/hr
Contact3

Dr. Dr. Momcilo K.

Delivering Better Software Faster | AI Agents, Chatbots, RAG, Fine-Tuning, AWS, CI/CD
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
Doctor of Science - Electrical and Computer Engineering (Ph.D.El.Comp.Eng.)
Serbia

As the Founder and visionary behind LabSoft d. o. o. (LLC), I, Dr. Momcilo Krunic, am at the forefront of integrating Generative AI into practi...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Dr. Stéphane G.

Former CTO and CSO, physicist in biotech, scientific software developer and R&D management expert
Create Project
★★★★★
☆☆☆☆☆
USD 125/hr
PhD
France

10+ years of expertise in industrial process modeling (including software development in C++ and Python, data mining...) 5-year entrepreneur ex...

★★★★★
☆☆☆☆☆
USD 125/hr
Contact3

Dr. Sebastian G.

Scientific Consultant | Bioinformatics & Molecular Diagnostics
Create Project
★★★★★
☆☆☆☆☆
USD 150/hr
Doctor of Natural Sciences (PhD)
Germany

I am an independent scientific consultant for diagnostic laboratories and life science companies. I help ambitious businesses like yours develo...

★★★★★
☆☆☆☆☆
USD 150/hr
Contact3

Dr. Anibrata P.

Software Architect | Quantum Software Engineering | Security and Privacy Expert | Techinical Writing & Review
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
Masters in Computer Science

With over 15 years of IT experience in various industries, I am a Ph.D. Researcher at Università degli Studi di Bari and a Co-Founder at @...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

ANATH L.

Founder/CEO at DADYMINDS
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
NATIONAL TVET CERTIFICATE V
United States

5 years in research and writing as an influential author| Expert in business management and mental health services| Plus expertise in Global Br...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Marilyn N.

Freelance medical writer. Fourth year medical student . 2+ years writing experience.
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
Medical Degree (MD)
Nigeria

Medical student. Member of my MSA journal club with published articles.

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Naeem A.

Versatile AI Researcher and Innovator with Expertise in Machine Learning, Medical Image Analysis, NLP, and IoT.
Create Project
★★★★★
☆☆☆☆☆
USD 20/hr
MSCS
Pakistan

I am experienced IT professional with an MS and BS in Computer Science having deep passion for AI, and its subfields. My expertise are in machi...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

Amit C.

Full Stack MVP Developer | Market & UX Research | Digital Sales | Chat GPT bot builder (Content + Image Prompts)
Create Project
★★★★★
☆☆☆☆☆
USD 60/hr
Bachelors in Commerce
India

Hello World! I am an experienced professional building software using Nocode tools. Tech Stack, I use to build software - Bubble.io, Webflow,...

★★★★★
☆☆☆☆☆
USD 60/hr
Contact3

Joy A.

Freelance Mobile Application Developer, React Native. Check my LinkedIn profile here linkedin.com/in/joy-ayitey-xxxxxxxx
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
Bachelors
Ghana

I will help you with any Python solution you have, and build you very intuitive mobile applications. I am a Python and React Native Programmer ...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

MANAN P.

Cyber Security Analyst.
Create Project
★★★★★
☆☆☆☆☆
USD 12/hr
BTECH CSE (CYBER SECURITY)
India

CYBER DEFENSE, CYBER SECURITY, NETWORK SECURITY, VAPT, MAPT, WAPT

★★★★★
☆☆☆☆☆
USD 12/hr
Contact3

Kolabtree is the leading online freelance marketplace for expert Web Application Developers. Post your project, get bids, and hire qualified experts quickly and easily.

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 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.