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Top Freelance Software QA & Testing Experts for Hire

Dr. Christian P.

Experienced R&D Scientist & Data Analyst | Background in physics with ca 20 years of experience in Academia
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Ph.D.
Portugal

I have experience in Artificial Intelligence / Machine Learning, Data Analysis, Experimental Physics, Laboratory Techniques

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Dr. Manfred G.

Algorithm and Software Engineer | C++ Developer | Expert in Machine Learning, AI, and Data Analysis
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USD 145/hr
Doktor der technischen Wissenschaften
Sweden

My background is in technical physics and computational data processing, and my passion has always been to implement complex algorithms in soft...

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USD 145/hr
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Dr. Kathleen A G.

Neuroscientist | Digital Health, Clinical Trials, Behavior Change
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USD 200/hr
PhD
United States

I help teams apply neuroscience and behavioral science to real-world solutions for health, wellness, and behavior change. I'm a neuroscient...

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USD 200/hr
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Dr. Ivan T.

I focus on bringing the value to your business with AI, Machine Learning and Data Science
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USD 120/hr
Ph.D. in Computer Science
Germany

Data Science professional with 7+ years of experience. Was rated among top 500 Data Scientists (according to Kagle ranking). Winner of the Glob...

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USD 120/hr
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Dr. Rajinder G.

Highly skilled and qualified bioinformatician | Innovative and unconventional problem solver
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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...

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USD 30/hr
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Dr. Mehdi N.

Researcher and Freelancer (Pro) at Kolabtree / 15+ years of experience
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Ph.D
Germany

Post Ph.D. level scientist with more than 15 years of experience in both academia and industry. Experience in multinational corporations and ma...

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Dr. Ryangguk K.

Bioinformatics consultant with +15 years of experience with genomic variant annotation pipelines
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USD 150/hr
PhD in Biotechnology
United States

Creator of OakVar and OpenCRAVAT. Expert in Python and high performance programming in Rust, cloud computing, and web server development.

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USD 150/hr
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Dr. Izaz K.

Web Developer
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USD 15/hr
MS Computer Science
Pakistan

Hi, I am izaz khan, I am professional web developer, I have 5+ year experience.

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USD 15/hr
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PhD in mathematics
India
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My key areas of interest are Computational Biology Evolutionary Systems Biology Synthetic Biology Drug Discovery Programming in MATLAB Si...

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Dr. Yehe L.

Try me if you cannot find anyone else to help. Open to challenging problems.
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USD 250/hr
Doctor of Philosophy in Biomedical Engineering
United States

I know all kinds of stuff. Doing this for fun. Find me if you are running out of options. Happy to help.

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USD 250/hr
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Dr. Kerem O.

Freelance IT & Computer Science Expert and Researcher
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USD 25/hr
Ph.D. in Information Technology
Turkey

* I define myself as Computer Scientist, Academician, Project Manager and Researcher. Since 2007, I worked both in the industry and in the acad...

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USD 25/hr
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United States
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• Medical imaging and image processing (Mammograms, MR, CT and PET brain images and Digital Pathology) • Developing Graphical User Interfaces (...

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Dr. Dan Cosmo G.

Engineer/Physicist Master Inventor and Maker of Things.
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USD 150/hr
PhD, Physics
United States

Able to build anything, including electronics, software, optics, mechanical engineering. I'm a master problem solver, able to think outside...

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USD 150/hr
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Dr. Juan Felipe O.

bioinformatician and computational biologist with high data visualization emphasis
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USD 50/hr
M.Sc. Molecular Biology
Singapore

I trained as an evolutionary biologist. There I learned how to transform complex problems in useful data structures to plug in to computational...

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USD 50/hr
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Dr. Bradley B.

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

I am a dedicated Geospatial Data Consultant with a passion for leveraging open-source solutions and driving cross-industry innovation. With ext...

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USD 100/hr
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Dr. Aleksandar K.

Professor at University of Belgrade | PhD in CS | Optimization and machine learning | Building software since 2008
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USD 100/hr
PhD Computer Science
Serbia

I am an Associate Professor of Computer Science at the Faculty of Mathematics, University of Belgrade. I earned my PhD in 2014, focusing on the...

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USD 100/hr
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Dr. Randall W. G.

Experimental Physicist | Materials Science | Multi-Physics Simulation | Data Analysis & AI Development
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USD 35/hr
Ph.D.
Japan

I'm a physicist who specializes in experimental design, discovering hidden features in data, and developing unique AI solutions. ✔️ Signal...

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USD 35/hr
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Dr. Ana J.

Computer Science Researcher (18+ years) | Technical Writer & Reviewer | Socially Responsible Projects Enthusiast
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USD 50/hr
Spain

I am a postdoctoral researcher with over fifteen years of experience in computing systems....I have an excellent record of peer-reviewed publications, including one Best Paper Award....

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USD 50/hr
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Dr. Raphael V.

Specialist in 3D Printing and Biodesign Technical Consultant with expertise in machine adaptation and problem-solving
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USD 34/hr
PhD
Brazil

Raphael Vinagre is a professional with a strong background in design and engineering, specializing in 3D bioprinting and biotechnology. He is c...

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USD 34/hr
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Dr. Arthur Neves D.

Electrical engineer | Power systems
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USD 100/hr
Doctor
Brazil

- Optimization: Formulation of Programming Problems; Mathematical Solvers; Metaheuristics; Distributed Optimization; Benders Decomposition. - P...

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USD 100/hr
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Dr. Balakrishnan S.

Bioinformatics | 6+ years experience | From tool development to research
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USD 60/hr
PhD bioinformatics
India

Sequence analysis | visualisation | Metagenomics | bacteria drug interaction network | tool and web development

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USD 60/hr
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Dr. Giacomo B.

Executive, Entrepreneur & VC: 15+ leadership experience in life sciences & tech innovation
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USD 300/hr
Executive Education
France

Seasoned executive with a Ph.D. in Bioinformatics and entrepreneurship-focused business training. My 15+ years as VC, Entrepreneur, and CEO hav...

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USD 300/hr
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Dr. Huma J.

Computer Scientist with 8 years of experience in academia and research and expert in content writing
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USD 20/hr
Msc. by research
Pakistan

Problem-solving is one of mine passion. I am doing a Ph.D. in computer applied technologies (using ML, AI, and CV). I have seven years of acade...

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USD 20/hr
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Dr. Saroja Kumar Dash O.

Expert Electrical Eng. professor, Expert in editing & reviewing research papers on power engg.23+ years exp.
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USD 60/hr
Coursera Certificate for English for Effective Business Speaking
India

23 years of research experience in editing, reviewing and correcting technical writing for research papers in the field of electric power syste...

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USD 60/hr
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Dr. Paweł W.

Mathematician. R&D software developer
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USD 50/hr
PhD Mathematics
Poland

Algebra(PhD), Data Anastasis, Petri Network, Discrete Mathematics, Graph Theory, Computational complexity

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USD 50/hr
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Kolabtree is the leading online marketplace for Software QA & Testing experts. Post your project, get bids, and hire qualified experts quickly and easily.

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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.