Top Freelance SQL Experts for Hire

Pankaj D.

I am 17 years of experience in IT and 11 years of experience as Data Scientist.
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USD 20/hr
Master Of Computer Application
India

I'm over approx 17 years of experience in IT and 11 years of experience as Data Scientist and completed approx 80 + projects and provided v...

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USD 20/hr
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Dr. David Alejandro T.

Physicist (PhD) with 10+ yrs in research, teaching & modeling; expert in cosmology, computation & science commun...
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USD 10/hr
Ph.D. (Physics)
Portugal

Physicist and researcher with a PhD in Theoretical Physics and over 10 years of experience in scientific research, higher education teaching, a...

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USD 10/hr
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Hunter L.

ML Scientist & Computational Chemist | Expert in Python & R | Computer-Aided Drug Design Researcher
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USD 80/hr
Doctorate
United States

Expert ML Scientist & Computational Chemist | Accelerating Discovery with AI, Quantum Chemistry, and Molecular Modeling Are you looking to...

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USD 80/hr
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ERSAN E.

Freelance Data Analyst | Scientific Web Developer | Digital Nomad (SEA)
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USD 30/hr
MSc
Thailand

I am a freelance data analyst and scientific web developer with an MSc in Applied Mathematics and over 7 years of experience in research, educa...

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USD 30/hr
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Mohammadreza G.

Inventor | Elec. Eng. | Software Dev. | ML | +17yrs
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USD 80/hr
B.Sc. in Electrical and Electronics engineering
Turkey

I am MZ Chimeh (Mohammadreza Ghasemichimeh), a multidisciplinary innovator with electronics, software development, machine learning, geophysica...

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USD 80/hr
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Dr. Carlos R.

Biotechnologist | Project Manager | Data Analyst | with 10+ years of experience in biomedical research
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USD 55/hr
Masters in Project Management
Panama

PhD in Biotechnology with over 15 years of experience in biomedical and biotechnological research. I specialize in multi-omics data analysis (R...

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USD 55/hr
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Alisson L.

Doutor em Engenharia Agrícola Modelagem de Recursos Hídricos e Simulação Ambiental
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USD 32/hr
Mestre engenharia agrícola
Brazil

Sou Engenheiro Ambiental com Mestrado e Doutorado em Engenharia Agrícola pela Universidade Federal de Viçosa (UFV), com ênfase e...

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USD 32/hr
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Oliur R.

Food Scientist & Data Analyst | Expert in MATLAB & SPSS
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USD 8/hr
Bachelor of Science (Engineering)
Bangladesh

With a distinguished background in food science and engineering, I graduated with distinction from Shahjalal University of Science and Technolo...

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USD 8/hr
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Tristan J.

Gen AI/ML Engineer | LLMs | React | Python Backend | MLOps
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USD 60/hr
Bachelors of Computer Science
United States

I specialize in Generative AI (GenAI), Machine Learning (ML), and Prompt Engineering, designing intelligent systems that bridge human intent wi...

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USD 60/hr
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Dr. Francesco R.

Scientific Writer & Data Analyst | Expertise in Research Support, Data Visualization & Presentation Creation
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PhD Molecular Biology
Canada

I am a molecular and cellular biologist with a Ph.D. in Biochemistry and Molecular Biology and over 10 years of research experience across canc...

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Angelica T.

Freelance HR & HCM Cloud Solutions | Oracle Certified
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USD 8/hr
Bachelor of Science
Philippines

With over 12 years of experience across HR, compliance, and technology, I specialize in Oracle HCM Cloud, focusing on Core HR and Reporting mod...

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USD 8/hr
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Jharana A.

Data Analyst & AI Specialist | Python, SQL, Machine Learning | NLP & Predictive Modeling Expert
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USD 25/hr
BSc (Hons) Computer System Engineering
Canada

I am a data analyst and AI professional with academic and hands-on industry experience. I hold a BSc in Computer Systems Engineering and a Post...

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USD 25/hr
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Manasseh O.

Data Analyst with 8+ years of experience | Expert in R, R-Shiny, SQL, Power BI & SPSS
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USD 25/hr
Statistics and Programming
Kenya

I hold a degree in Statistics and Programming with certifications in Data Science. My research interests span data visualization, applied stati...

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USD 25/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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Dr. Lucy N.

PhD in Management Science | Expert in Statistics, Data Science & Research Methods
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USD 100/hr
MS in Data Science
Tanzania

I am a passionate educator and data-driven consultant with a PhD in Management Science, an MSc in Statistics, an MS in Data Science, an MBA in ...

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USD 100/hr
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Ritwik B.

Freelance Data Scientist/Engineer | Expert in Python & SQL | 5+ Years Experience in Insurance, Actu...
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USD 25/hr
Master of Technology
India

As a Freelance Data Scientist/Engineer with over 5 years of experience, I specialize in leveraging Python, SQL, and other tools to solve comple...

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USD 25/hr
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Ryan W.

IT Developer & Chemist | Specialized in Data Science, Cheminformatics, Python, & Scientific Software
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USD 40/hr
Bachelor of Computer Science
United States

As a Senior IT Developer with over 12 years of experience, I specialize in blending my technical expertise in software development with my stro...

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USD 40/hr
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Dr. Ed E.

Astrophysics Professor | 15+ Years of Research, Peer-Reviewed Publications & Scientific Consulting
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USD 30/hr
PhD
South Africa

I am an astrophysicist specializing in the integration of large-scale supercomputer simulations with observational data from leading global tel...

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USD 30/hr
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Dr. Muhammad H.

Data Scientist | Statistical Modeler | R, Python, STATA, SPSS | Machine Learning | SAE | Inequality Indices | DHS
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USD 40/hr
Doctoral
Korea, South

Muhammad Hamza is an ambitious PhD student specializing in Biomedical Big Data Analytics at Gyeongsang National University, South Korea. He has...

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USD 40/hr
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Chandana P.

Freelance ph.D in computerscience with eexpertise in python , ml, ai, nlp with 15 yrs exp in medical research im imgae p
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USD 1000/hr
Ph.D in computrrscience and engineering
India

Ph.d, python, r, java, working as aprofessor and developer in software company

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USD 1000/hr
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Atta U.

Advanced Bioinformatics Consultant | Python/R Workflow Developer
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USD 20/hr
Master of Philosophy in Bioinformatics
Pakistan

I’m a Bioinformatics professional with a BSc in Bioinformatics and over a year of hands‑on research experience in both academia and applied set...

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USD 20/hr
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Arigna B.

Full Stack Developer | Java, React, Spring Boot | Building responsive, scalable, and secure web applications
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USD 49/hr
B.Tech.
India

Full Stack Developer with 1+ year of experience in developing robust web applications using Java, React.js, Spring Boot, and MySQL. Skilled in ...

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USD 49/hr
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Saúl C.

Bsc in Physics | Software Developer | Business Analyst
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USD 29/hr
Bachelor’s in Physics
Dominican Republic

Integrating Science and Business to Drive Innovation As a Founder and COO/CMO at BCC Technologies and a Physics Student, I specialize in using...

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USD 29/hr
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Angus F.

Data Scientist with 13 years Chemistry R&D experience in Oil & Gas and Ag
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USD 50/hr
Masters of Science
United States

13 years of scientific R&D across different industries provides me with unique experience to address any data science challenge. My skillse...

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USD 50/hr
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Dr. Alexey P.

Bioinformatics expert specializing in protein interactions, structure modeling, and protein design
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USD 150/hr
PhD (Chemistry)
United States

I am a computational biologist with over 20 years of experience in bioinformatics, protein structure modeling and functional annotation. My res...

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USD 150/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.

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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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Contact experts directly

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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.

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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.

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Job Done!

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