Top Freelance Software QA & Testing Experts for Hire

Dr. Jeremiah K.

I am an experienced researcher and consultant with expertise in SPSS, Excel, R, and SAS data analysis.
Contact
★★★★★
☆☆☆☆☆
USD 30/hr
PhD; Statistics
Kenya

I am skilled with 5 years of experience in SPSS, Excel, R, and SAS data analysis. I am also proficient in report writing, survey designs, and d...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact

Dr. Alexander D.

Biological Data Analyst with 15 years of experience | Bioinformatics & Machine Learning Expert | C++ & Python
Contact
★★★★★
☆☆☆☆☆
USD 150/hr
Ph.D. in Theoretical Condensed Matter Physics
United States

Prolific principal investigator with 15 years of experience in computational biology and bioinformatics. Accomplished leader in creating innov...

★★★★★
☆☆☆☆☆
USD 150/hr
Contact

Dr. Hrishikesh G.

Over 30 years of experience commercializing medical devices for large, mid-size and early stage companies.
Contact
★★★★★
☆☆☆☆☆
USD 125/hr
PhD in Electrical Engineering
United States

Broad hands-on software and hardware development for medical devices such as diagnostic imaging devices (PET, MRI, X-Ray and Ultrasound), blood...

★★★★★
☆☆☆☆☆
USD 125/hr
Contact

Dr. Holly R.

I provide analysis and research, technology evaluation, data cleaning / tagging, and editing services.
Contact
★★★★★
☆☆☆☆☆
USD 150/hr
PhD, Computational Social Science
United States

Broad experience with analytic tools and technology. Subject matter expertise in Agile leadership and data science. Over 23 years of experience...

★★★★★
☆☆☆☆☆
USD 150/hr
Contact

Dr. Alice V.

Translational Science Research & Development Consultant | Digital Health, AI, Ethics, Education, Work & Wellbein...
Contact
★★★★★
☆☆☆☆☆
USD 300/hr
Masters
United States

I'm interested in translational science, applied psychology, experimental psychology, and evaluative research, especially in developing or ...

★★★★★
☆☆☆☆☆
USD 300/hr
Contact
Doctorate
India
Contact
★★★★★
☆☆☆☆☆
USD 30/hr

More than 15+ years of work experience in multinationals Food/Beverage and Biotechnology companies/Institute (R & D, Analytical, QA /QC...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact

Dr. PhD Tarik J.

Freelance Data Scientist and Image Analyst | Expert in R, Python, Matlab, JAVA, PHP, Javascript, SQL, EXCEL, SPSS
Contact
★★★★★
☆☆☆☆☆
USD 10/hr
Master 2 de recherche
Morocco

I am actually a project coordinator, I have enough skills in project management as in Computer science, at first i was a developer, then i got ...

★★★★★
☆☆☆☆☆
USD 10/hr
Contact

Dr. David W.

Technical expert in research software, analysis, physics and biology
Contact
★★★★★
☆☆☆☆☆
USD 50/hr
PhD
New Zealand

I specialise in writing computational analyses of a variety of datasets. Predominantly my background is in optical physics and the biology of a...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact

Dr. Abbas M.

Data scientist, Ph.D. in Computer Science with 8+ years of working experience
Contact
★★★★★
☆☆☆☆☆
USD 20/hr
PHD
Canada

Data scientist, Ph.D. in Computer Science with 8+ years of working experience executing data-driven solutions for structured and unstructured d...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact

Dr. Matthias B.

PhD in physics and business background | 3D Imaging and X-Ray Expert with 10+ years of experience
Contact
★★★★★
☆☆☆☆☆
USD 100/hr
Physics, summa cum laude
Germany

There are 3 main reasons why I'm valuable for your team: (1) You will get a partner that knows both academia AND the corporate world. (2...

★★★★★
☆☆☆☆☆
USD 100/hr
Contact

Mohammed H.

Test Automation Engineer | Expert in JavaScript, Java, Python, Nightwatch, Cucumber.
Contact
★★★★★
☆☆☆☆☆
USD 50/hr
Master of Applied Science
Canada

I am Software Engineer who specializes in automation testing. I started with full-stack development where I honed my skills in Java and React a...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact

Venkatasubramaniam R.

Business Profitability Consultant and Senior Test Technologist
Contact
★★★★★
☆☆☆☆☆
USD 50/hr
Bachelors Degree in Computer Science & Engineering
India

A wholesome IT professional with 25 years of experience focused on Software Testing, Data Science, and Software Development. Consulting in Dat...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact

Venkata Rahul S.

Product development specialist. Enterprise middleware architect with demonstrated experience in Distributed co
Contact
★★★★★
☆☆☆☆☆
MBA
India

From a deeply mathematical and research filled area like Neural networks to productizing innovations across hardware and software, I had proven...

★★★★★
☆☆☆☆☆
Contact

Ajay Kumar Reddy J.

Market Research and Quality Control Analyst and Content Management Expert with 14 years of experience
Contact
★★★★★
☆☆☆☆☆
USD 20/hr
MBA
India

MBA graduate with expertise in digital content management, quality control, user acceptance testing and market research associated with multipl...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact

David M.

mathematician & Java Software Developer
Contact
★★★★★
☆☆☆☆☆
USD 30/hr
M.Sc (Master of Science)
Mexico

Many years of study at science related fields (bachelor), and 5+ work experience in java programming

★★★★★
☆☆☆☆☆
USD 30/hr
Contact

Usama A.

Freelancer, Scrum Master and Technical Content Writer
Contact
★★★★★
☆☆☆☆☆
USD 12/hr
Masters in Engineering Management
Pakistan

An electrical engineer with a master's degree in engineering management possesses both technical and managerial abilities. Over three years...

★★★★★
☆☆☆☆☆
USD 12/hr
Contact

Ariel E.

Freelance Data Analyst / 6+ years of experience in Test and Evaluation
Contact
★★★★★
☆☆☆☆☆
USD 20/hr
Air and Space Operations
United States

I currently work for a Test and Evaluation Squadron where we get new equipment and software that needs testing. We use scientific method to det...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact

Steve S.

AVP - Delivery Service
Contact
★★★★★
☆☆☆☆☆
USD 40/hr
Computing Science
United States

• Head and support sales team to maximize positive results in area of company modification and progress through proactive, ongoing and effectua...

★★★★★
☆☆☆☆☆
USD 40/hr
Contact

Edgar M.

IT support | QA | excel formulas | Dashboards | PM tools | Testing
Contact
★★★★★
☆☆☆☆☆
USD 15/hr
Enginerring
Armenia

"Hire people to work WITH you and not FOR you" IT Specialist with Engineering, Project Management expertise. Excel experience, SUMIF,...

★★★★★
☆☆☆☆☆
USD 15/hr
Contact

Thomas S.

Aerospace Engineer highly experienced in System Engineering, System Architecture, and Systems Integration & Test
Contact
★★★★★
☆☆☆☆☆
USD 65/hr
Bachelor of Science Aerospace Engineering
United States

Over two decades of experience in aviation with respect to avionic system architecture, design, requirements, integration, and flight test. Ha...

★★★★★
☆☆☆☆☆
USD 65/hr
Contact

Sabbir R.

Expertise Web , Android, iOS app, Software testing and research.
Contact
★★★★★
☆☆☆☆☆
USD 15/hr
Bachelor of Computer Science
Bangladesh

I am very expert to different types of web, app testing with development and research

★★★★★
☆☆☆☆☆
USD 15/hr
Contact

Dr Abbas E.

Software Engineer and Data Scientist
Contact
★★★★★
☆☆☆☆☆
USD 60/hr
Doctor of Engineering (Eng.D.)
United Kingdom

An elevator pitch of my CV Skills: - Python/React/NodeJS/SQL - Data Analysis - Signal Processing - Software Engineering/Development (Desktop a...

★★★★★
☆☆☆☆☆
USD 60/hr
Contact

Accession S.

IT Services Company (UI/UX, Web, Mobile, App, SaaS, CRM, DevOps, AWS, Security Testing(OWASP and OSSTMM),
Contact
★★★★★
☆☆☆☆☆
USD 25/hr
Mechanical Engineering
India

IT Services Company (UI/UX, Web, Mobile, App, SaaS, CRM, DevOps, AWS, Security Testing(OWASP and OSSTMM), Functional Test Automation, Performan...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact

EData T.

Best data analytics and business analytics service providers
Contact
★★★★★
☆☆☆☆☆
United States

eData Talk is the best and finest online Business Analysis, project management, data analytics, software development, ERP solutions, mobile app...

★★★★★
☆☆☆☆☆
Contact

Debapriya S.

QUALITY ASSURANCE AND PROCESS IMPROVEMENT ANALYST WITH SIX SIGMA GREEN BELT with 9 years experience in testing
Contact
★★★★★
☆☆☆☆☆
Bachelor of Engineering
India

• 9 years’ work experience in Quality assurance, Business Analysis which includes 7 years in software testing. • Extensive knowledge and hands ...

★★★★★
☆☆☆☆☆
Contact

Kolabtree is the leading online marketplace for Software QA & Testing experts. 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. 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.