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Top Freelance SQL Experts for Hire

Akshay K.

Senior Data Scientist | ML, GenAI & Aerospace Engineering Simulation Expert
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USD 15/hr
B.Tech - Mechanical Engineering
India

I am a Senior Data Scientist with 8+ years of experience across machine learning, generative AI, data engineering, and engineering simulations....

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USD 15/hr
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Safat S.

Statistical Data Analyst and Academic Researcher | Expert in SAS, SPSS, Minitab and SatScan
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USD 25/hr
Master of Science (Statistics)
Canada

Statistical data analyst with proven experience in statistical analysis and academic research in multiple fields (i.e. tourism industry, market...

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USD 25/hr
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Dr. KJ A.

Freelance Medical Sciences Writer and Data Analyst with +20 years experience in medical research
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USD 43/hr
PhD
Canada

A PhD from the Institute of Medical Sciences with a certificate in Data Sciences, I have extensive experience in manuscript writing, proposal ...

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USD 43/hr
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Monisha Priya T.

Data Scientist | Bioinformatics & Genomics Analyst | NGS | Metagenomics | Big Data | Data Analysis | Scientific Writ...
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USD 45/hr
MSc in Biotechnology (Integrated 5 years)
India

Bioinformatics and Microbial Genomics Specialist with over 4 years of experience in NGS data processing, metagenomics, and microbial genome ana...

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USD 45/hr
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Dr. Ray R.

Measurement Scientist and Research Methods Expert with 15+ Years of Experience in Education and the Social Sciences
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USD 75/hr
Family & Human Development
New Zealand

I am measurement scientist and research methodologist with over 15 years experience in leading high impact, often externally funded research pr...

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USD 75/hr
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Olawale T.

Freelance Computer Science Researcher | Local Optimization and MILP expert | Recent Background in Finance
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USD 50/hr
PHD
United Kingdom

PhD in combinatorial optimization techniques. Worked on generic optimization solver. Recently worked on software related to risk management at ...

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USD 50/hr
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Tomasz M.

RWE Statistical Programmer | SAS SQL R Python
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USD 70/hr
Master in Pharmacy
Poland

MPharm and Statistical Programmer with 7+ years of experience in SAS, SQL, R, and Python, specializing in Real-World Data (EHRs, claims, survey...

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USD 70/hr
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Dr. Conrad G.

Immunology PhD - Python/Matlab programmer for Data Processing & Analysis
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USD 40/hr
PhD in Immunology
Saint Lucia

PhD in Immunology from a leading UK university with extensive experience in computational biology, bioinformatics, and scientific data analysis...

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USD 40/hr
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Marian M.

Academic Machine Learning Engineer & Data Scientist
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USD 25/hr
Masters of Science in Computer Science (Bioinformatics)
Egypt

I am Marian Magdy. I graduated from the American University in Cairo, major computer science. Also, I gained my master's degree in computer...

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USD 25/hr
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Toban W.

Freelance Economist & Machine Learning Engineer | Expertise in Bayesian methods
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USD 140/hr
PhD
United States

Economist with over 8 years of industry experience in data science, machine learning, and AI engineering. I specialize in causal inference and ...

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USD 140/hr
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Jeffrey C. R.

Cyber Security Architect | Data Security | Researcher | Educator with 25+ computer science experience
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USD 75/hr
Masters of Information Science
Canada

I am a cybersecurity leader with 25+ years of experience architecting secure systems, guiding cloud transformations, and strengthening cyber re...

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USD 75/hr
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Reuben M.

Data Scientist | Research & Analytics Consultant | Tech Systems Builder
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USD 10/hr
PhD in Data Science
Malawi

I help organizations, researchers, and businesses turn complex data, research problems, and digital ideas into clear, usable solutions. My stre...

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USD 10/hr
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Dr. Connor M.

PhD-trained ML scientist with 8+ years in fundamental research and building production ML/CV systems.
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USD 108/hr
Doctor of Philosophy
United States

I am a PhD-trained machine learning scientist with 8+ years of experience designing, deploying, and operationalizing production ML and computer...

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USD 108/hr
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Dr. Subrata S.

Materials Scientist & Data Analyst | Expert in EIS | Numerical Simulation | Data Visualization
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USD 50/hr
Ph.D.
United States

PhD‑trained materials scientist with 12+ years of research experience spanning device physics, electrochemical systems, and energy‑related mate...

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USD 50/hr
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Stanly M.

Freelance Web & Mobile | Expert in AI automation | 7 + years
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USD 50/hr
BS in Computer Science
Egypt

Seasoned Freelance Web & Mobile Developer with 7+ years of experience delivering scalable digital solutions for startups, enterprises, and ...

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

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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.

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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.

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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

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Discuss your requirements in detail with the experts before accepting the final statement of work from Kolabtree.

3

Collaborate

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4

Job Done!

Approve the deliverables once you're satisfied with the job done.