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Top Freelance SQL Experts for Hire

Kshipra J.

Scientific Typesetting Expert (LaTeX/Markdown) | Specializing in Complex Math, Bibliographies, & Technical Manuscrip...
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USD 35/hr
B. Tech - Computer Science and Engineering
India

I bridge the gap between academic research and professional publication. As an M.Tech candidate in Machine Learning and a Computer Science Engi...

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USD 35/hr
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Dr. Tammie J.

PhD Health Services Researcher | Statistics, Advanced Data Analysis, Grant Writing, Peer Review Publishing
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USD 225/hr
MHA, Healthcare Administration
United States

As a PhD in Health Services Research, Fellow of the American College of Healthcare Executives (FACHE), and retired U.S. Army Medical Service Co...

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USD 225/hr
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Nidhi G.

Analyst driving data‑backed decisions using Advanced Excel, Power BI dashboards, SSIS workflows & SQL
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USD 25/hr
B.Sc. Biology
India

Detail-oriented Business Analyst with hands-on experience in data...analysis, reporting, and automation using Advanced Excel, Power BI, SSIS, and working knowledge of SQL...

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USD 25/hr
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Maura O.

Freelance Data Analyst with 5+ years of experience in electronics and defense manufacturing
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USD 150/hr
Ph.D.
United States

With several years of experience in the manufacturing and data analytics industries, I have contributed to both start-ups like Aperia Technolog...

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USD 150/hr
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Priyanka I.

Machine Learning Researcher | Expert in writing and publishing Research papers | Expert in Python, R, SPSS, Weka,Matlab
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USD 45/hr
PhD
India

I have great potential in researching, developing models, and technical writing in artificial intelligence (AI), machine learning, NLP, cloud c...

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USD 45/hr
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Dr. Nudrat A.

Ph.D. Organic Chemist, Toxicology, Scientific Writing, Data Analysis, Method Development, Regulatory, Risk Assess
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USD 80/hr
Ph.D., Chemistry
Pakistan

PhD trained Organic Chemist with strong expertise in LC-MS/MS and HRMS-based mass spectrometry, chemical profiling, and toxicological evaluatio...

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USD 80/hr
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PARNA S.

Bioinformatics Specialist | NGS Pipeline Development & Molecular Dynamics
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USD 50/hr
PhD
India

Doctoral Researcher at CSIR-IIIM with over 5.5 years of experience in computational genomics and molecular microbiology. I focus on applying co...

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USD 50/hr
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Glory I.

Freelance Data Scientist & Analyst | Expert in Python, SQL, Power BI | Skilled in Machine Learning
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USD 20/hr
B.Sc. Mathematics
Nigeria

Skilled in building machine learning models and analytics solutions that drive measurable business impact. Key achievements include developing ...

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USD 20/hr
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Jorim A.

Statistician & Epidemiologist | 8 Years Research Experience at KEMRI, KALRO, Moi University & JOOUST | Data Anal...
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USD 30/hr
BSc (Hons) (First Class)
Kenya

I am a statistician and epidemiologist with 8 years of research experience at KEMRI, with affiliations to KALRO, Moi University, and JOOUST. I ...

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USD 30/hr
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Joel S.

Versatile Technical Consultant | Web Developer & Data Analyst with a Background in Engineering, Education, and Proje...
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USD 20/hr
B.Tech. Physics Electronics
Nigeria

I am a multidisciplinary professional at the intersection of education, technology, and social impact. My core expertise is designing and imple...

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USD 20/hr
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Nnachi N.

Environmental & GIS Data Analyst | Remote Sensing, GEE & Spatial Modelling Expert
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Masters of Science
Nigeria

I am an Environmental Scientist and GIS Specialist with strong expertise in geospatial analysis, remote sensing, and environmental data modelli...

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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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Ritesh S.

AI/ML Engineer | LLM & RAG Systems | Building Production-Ready GenAI Solutions
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USD 10/hr
Bachelor of Technology
India

I am an AI/ML Engineer with hands-on experience building production-ready machine learning and generative AI solutions. My primary expertise li...

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USD 10/hr
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Olaniyan R.

Academic Research Analyst | Expert in Python, R, & SPSS | Statistical Modeling Expert
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USD 30/hr
BSc Statistics
Nigeria

As an Academic Research Analyst and Applied Statistician with a Bachelor of Science in Statistics and current enrollment in a Master of Science...

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USD 30/hr
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Gayane M.

MD & Clinical Data Specialist (MySQL, Postgres,Tableau, Excel). Medical Data Entry. Expert in Data Validation. ETL.
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USD 25/hr
Medical Doctor (MD)
United States

Highly analytical and credentialed Clinical Data Specialist (MD/FMG, CPhT) with over 15 years of experience in data administration, full-stack ...

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USD 25/hr
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Dr. Teesha B.

PhD Biochemist | Data Analyst | R, Python, SQL | Statistical Analysis & Data Visualization
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USD 45/hr
PhD in Biochemistry
Canada

PhD biochemist with 10+ years of experience analyzing complex experimental datasets. I help life sciences companies extract meaningful insights...

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USD 45/hr
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Dr. Omer A.

PhD CS | Thesis Support: Methodology, Experiments, and Documentation
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USD 10/hr
Doctor of Philosophy
Pakistan

I’m a PhD in Computer Science (June 2024) with 15+ years of university teaching and research experience. I have been a Lecturer at The Islamia ...

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USD 10/hr
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Francisco José D.

PhD Biologist | Literature Reviews · Academic Research · Scientific Writing · Market Studies
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USD 45/hr
Licenciatura en Biología
Spain

I am a PhD Biologist with over 15 years of university teaching experience and a strong track record in scientific research, academic writing, a...

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USD 45/hr
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Muzamil T.

Data Scientist & Analyst | Founder & CEO, Axiora International | Physics-Informed Data Intelligence
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USD 20/hr
BS Physics
Pakistan

Founder & CEO of Axiora International, where we deliver physics-informed data intelligence for engineering, industrial, and energy systems....

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USD 20/hr
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Dr. Gianina M.

Freelance Geophysicist & Geospatial Data Analyst | Expert in Python & Geodata
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USD 70/hr
Ph.D. in Earth and Environmental Sciences
Germany

I leverage my background in geophysics and programming expertise to power geospatial analyses that advance environmental protection, climate‑ch...

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USD 70/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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Dr. Adam L.

PhD Published Researcher with Business Acumen | Data Management, Analytics | Research Methods, Inferential Statistics
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USD 125/hr
Ph.D.
United States

Social science researcher with 20+ publications and 20+ years experience in doing business analytics in healthcare: hospitals, worksite health ...

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USD 125/hr
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Naveen J.

AI Hardware & VLSI Architect | PhD Researcher | 5 Yrs Exp (Verilog, MATLAB) | Low-Complexity DSP & Neural Nets
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USD 20/hr
Master of Technology
India

I am a VLSI Architect and Researcher currently pursuing my PhD at NIT Calicut, specializing in VLSI architectures for Neural Networks. With 5 y...

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USD 20/hr
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Abdul M.

Computer Engineer Specializing in Microcontrollers, IoT & Web Applications
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USD 20/hr
Computer engineering
Pakistan

I am a Computer Engineer with a strong passion for microcontrollers, embedded systems, and modern web development. I enjoy building smart, conn...

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USD 20/hr
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Alaaya M.

Data Analyst & Statistician | Expert in Time Series, Survival Analysis & Research Data
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USD 10/hr
BSc statistics
Nigeria

I am ALAAYA MUHAMMAD SAHEED, a Data Analyst and Statistician with a B.Sc. in Statistics and professional Data Analytics training from Utiva. I ...

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USD 10/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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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.

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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.

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

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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.