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Top Freelance Software QA & Testing Experts for Hire

Hasnain L.

Skilled in ASP.NET, C#, and front-end, with 6+ years crafting scalable and robust applications.
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USD 20/hr
BSCS

With 8+ years of experience as a highly-skilled software developer, I bring expertise in ASP.NET (Core), MVC, Web Forms, Web API, C#, SQL, and ...

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USD 20/hr
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Dr. Teofil N.

Experienced Bioinformatics Consultant | R/Python Developer | Genomics • Transcriptomics • Data Science • Evolution
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USD 85/hr
PhD
Costa Rica

Dr. Teofil Nakov is a biologist specializing in the evolution and phylogenetics of diatoms, a group of microalgae found in aquatic environments...

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USD 85/hr
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Majid T.

Scientific Editor and Reviewer
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USD 50/hr
PhD
Canada

I have several years of experience as a scientific editor and peer reviewer for a wide range of high-impact journals and international conferen...

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USD 50/hr
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Dr. Anand kumar P.

AI RISK AUDITOR | REGULATORY IT (FDA|GDPR| HIPAA) | PROD STRATEGY & ENGG | GTM ADVISOR | GLOBAL WORK EXP
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USD 25/hr
DBA
India

ISO 42001 ARTIFICIAL INTELLIGENCE SYSTEM IMPLEMENTATION | ISO 13485 FOR MEDICAL DEVICES | ISO27001 FOR MENTAL HEALTH PRODUCT | HIPAA GDPR COMPL...

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USD 25/hr
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Simon C.

Computational Biologist & AI Engineer in Drug Discovery with 4+ years of experience
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USD 80/hr
M.Sc. "IMaLiS" in Systems Biology, Genomics & Bioinformatics
France

I develop machine learning solutions for computational drug discovery, specializing in protein design. **What I Can Help With:** - **Early-sta...

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USD 80/hr
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Thomas O.

Data scientist and researcher with a PhD in Applied Statistics and a background in software engineering.
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USD 120/hr
PhD
Austria

I specialze in mechanistic model emulation, hybrid and reduced complexity models, XAI, conformal ML, uncertainty quantification, and reinforcem...

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USD 120/hr
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Alex H.

Biotech & AI Expert 25+y | Drug Discovery | Translational Bio | Assay Dev | IP Strategy & Innovation Acceleratio...
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USD 175/hr
PhD
United States

AI-driven biotech and translational science consultant with 25+ years of experience across discovery, preclinical, and IP strategy. I help biot...

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USD 175/hr
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Dr. Lorenzo C.

Space scientist with solid background in both academia and industry.
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USD 50/hr
PhD
Australia

Space science and technology. CFD and numerical simulation techniques.

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USD 50/hr
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Dr. Zohreh S.

PhD Electrical Engineer specializing in Optics, Electromagnetics & Scientific Computing
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USD 40/hr
PhD in Electrical Engineering
Canada

I am a PhD Electrical Engineer specializing in optics, electromagnetics, scientific computing, and data analysis, with extensive experience in ...

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USD 40/hr
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Dr. Lars-Henrik S.

PhD in Physics | Specialist in Electrochemistry, Materials Science, and Data-Driven R&D | 15+ Years in Analytical Te...
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USD 165/hr
Executive Master in Business Administration
Singapore

Dr. Lars Henrik Skjolding is an applied physicist and entrepreneur with over 15 years of cross-disciplinary experience spanning electrochemical...

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USD 165/hr
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Dr. Hubert M.

Researcher | Data Processing Specialist | C++ Expert | Former Lead Game/Animation Programmer
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Masters in Computer Science and Engineering
United Kingdom

+10 years experience in game industry (specialist of gameplay/animation/physics systems), +5 years experience in system/database/AI research a...

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Manjunath M.

Senior Techno-Business Analyst | Salesforce & Veeva Expert | Operations & Stakeholder Management | 13+ Years in ...
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USD 95/hr
MBA
Canada

A hardworking, goal-oriented professional, looking for a role in Information Technology. Extensive experience both as an individual contributor...

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USD 95/hr
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SARADA K.

Expert in Software Transformation & Scalable Solutons | Cloud & DevOps Innovator | Enterprise Architect |
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USD 35/hr
Civil engineering
India

With over 28 years of progressive experience in software engineering, product leadership, and DevOps transformation, I bring a unique blend of ...

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USD 35/hr
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Kenneth Isom B.

AI Content Strategist & Scientific Editor | NLP, LLMs, Research Communications, and Technical Writing Expert
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USD 100/hr
Executive MBA
Mexico

I’m an award-winning AI content strategist, scientific editor, and research communicator with 10+ years of experience blending creativity with ...

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USD 100/hr
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Muqudas R.

MS EE and Research consultant specializing in academic writing, AI & data analysis, and dissertation guidance suppor...
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USD 100/hr
MS in Electrical Engineering
Pakistan

I am a research consultant with a Master’s in Electrical Engineering, offering a strong blend of academic writing, technical research, and comp...

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USD 100/hr
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Nomusah N.

Information Systems Audit Expert | IT Risk & Compliance | Research Support
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USD 50/hr
Master of Commerce (Information Systems)
South Africa

I am an IT professional with over a decade of experience across various domains including IT governance, risk management, compliance, and infor...

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USD 50/hr
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Dr. Huta B.

Ph.D. Data Scientist | Machine Learning| NLP, Predictive Modeling
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USD 100/hr
PhD - Physics
United States

As a Ph.D.-level Data Scientist with over 5 years of experience in cutting-edge AI/ML applications, I specialize in transforming complex datase...

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USD 100/hr
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Dr. Robbie C.

Computational neuroscientist with virtual healthcare industry experience.
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USD 150/hr
PhD | Neuroscience
United States

AI/ML Engineer and Data Scientist with a decade of experience driving digital health innovation from startup inception to large-scale data solu...

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USD 150/hr
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Wout V.

Cross-Domain Bioinformatician & Technical Project Manager | Data Analysis · Scientific Workflows · R&D...
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USD 85/hr
M.Sc. Informatics: Technical and Scientific Applications
Norway

I’m a bioinformatician with a strong foundation in Python, R, data analysis, metabolic modeling, and scientific computing—but my work goes far ...

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USD 85/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.