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Top Freelance SQL Experts for Hire

Yasin A.

Bridging Computer Engineering and AI, Researcher, Educator, and Innovator in Data-Driven Technologies
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USD 60/hr
Master of Science
Iran

Yasin Asadi is a Computer Engineer, researcher, reviewer, and lecturer specializing in Machine Learning, Data Science, Artificial Intelligence,...

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USD 60/hr
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Moin T.

Data Analyst | Mathematician | Data Scientist
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USD 15/hr
Master of Science
China

𝗜 𝗵𝗲𝗹𝗽 𝗼𝗿𝗴𝗮𝗻𝗶𝘇𝗮𝘁𝗶ҳ...

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USD 15/hr
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Dr. Avipsa R.

Freelance science writer with 1+ years of experience in Data Science, AI, manuscript preparation, scientific editing
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USD 50/hr
PhD in Geography
India

I hold a PhD in Geographic Information Science from a leading university in the United States, and my expertise is in data science, machine lea...

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USD 50/hr
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Alireza B.

Meteorologist & Numerical Modeler Atmospheric Forecasting, CBM-Z Chemical Pollution Modeling, Climate Simulations
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USD 50/hr
M.Sc. in Meteorology (Atmospheric Dynamics & Numerical Modeling)
Ireland

I am a Meteorologist, Numerical Modeler, and Scientific Systems Architect with over 20 years of experience in atmospheric, marine, and environm...

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USD 50/hr
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Dr. Peter O.

Mathematician | Data Scientist | Machine learning | Professor | 10+ yrs of experience in research
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USD 120/hr
B.Sc (Hons) First Class
New Zealand

⭐ PhD Mathematician ⭐ Data Scientist ⭐ Machine Learning Specialist ⭐ University Lecturer/Professor ⭐ Generative AI...Expert ⭐ Statistics & Business Analytics Consultant ⭐ 10+ Years of Experience ⭐ 20+ Peer-Reviewed Publications...

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USD 120/hr
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Lu Q.

Oncology Biostatistician | Clinical Trial Design | Biomarker Validation | 10 Years NCI Cancer Centers
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USD 150/hr
Statistics
United States

Senior biostatistician with 10 years of oncology clinical trial experience at NCI-designated cancer centers (Fred Hutchinson, Moffitt) and the ...

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USD 150/hr
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Dr. Haeyoung L.

Scientific & Policy Advisor | Climate, Energy & Carbon Risk Interpretation 20+ years of experience in climate ch...
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USD 150/hr
PhD
New Zealand

I am a senior researcher at a New Zealand government research institute, with extensive experience in evaluating science-based projects linked ...

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USD 150/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. Nahuel M.

PhD in Chemistry | Heterogeneous Catalysis and Data Analysis | Python, SQL, DFT Modeling
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USD 15/hr
Phd in Chemistry
Argentina

I’m a PhD-level researcher with over 5 years of experience in computational chemistry, heterogeneous catalysis, and advanced data analysis. My ...

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USD 15/hr
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Dr. Boris B.

Data analysis & visualization | Medical writing | RWE | 100+ publications | Grant writing | Researc...
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USD 100/hr
MD, PhD
Italy

Experience - Medical scientist and data consultant with 20+ years of experience in publicpublications in top-tier medical journals - Specialized...

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USD 100/hr
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Dr. Jorge Saul F.

PhD in Engineering (AI & Data Science) | Scientific Research & Data Analysis
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USD 40/hr
Doctor en Ingenieria
Colombia

I am a PhD in Engineering specialized in Artificial Intelligence and data-driven analysis, with a Master’s degree in Telematics and a Bachelor’...

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USD 40/hr
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Dr. Mohammad S.

Freelance Physics Expert and Generalist in Training AI Models and Data Annotation
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USD 30/hr
PhD - Physics
India

I have experience in LLM data annotation(both image and text-based), especially in physics and reasoning tasks, moving from Contributor to Seni...

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USD 30/hr
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Ali H.

Bioinformatics & Precision Medicine Specialist | MD Candidate | Genomic Data Analyst | SQL, Python
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USD 50/hr
Bachelor of Science in Bioinformatics (Honors Graduate)
Lebanon

I am a Bioinformatics graduate (B.S. with Distinction, CGPA 3.62/4.0) and current MD Candidate specializing in the intersection of computationa...

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USD 50/hr
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Mohamed E.

Free lance Statistician & Data Analyst | Expert in R and Statistical planning
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USD 14/hr
MPH
Ireland

- Data wrangled and analyzed complex clinical (primary & secondary) data using base R and packages such as “Tidyverse”, creating str...

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USD 14/hr
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Solange B.

Scientific Data Visualization Expert | Python Developer & Information Designer for Biotech/Tech
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USD 50/hr
Biomedical Engineering
France

I am an Engineer and Data Visualization Specialist bridging the gap between raw scientific data and clear, high-impact communication. I assist...Principal Investigators (PIs), Laboratories, and Biotech companies in translating complex datasets into publication-ready...

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USD 50/hr
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Tahir B.

Computational Virologist | AI-Augmented Genomic Surveillance of RNA Viruses
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USD 60/hr
M.Sc. Molecular Biology & Biotechnology
United Arab Emirates

I am a computational virologist with a decade of specialized experience in large-scale genomic surveillance, evolutionary dynamics, and immune ...

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USD 60/hr
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Dr. Matthew M.

Freelance Data Scientist & Systems Neuroscience Consultant | Expert in Python, OpenCV, PyTorch
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USD 100/hr
PhD | Neurobology
United States

Biomedical engineer and neuroscientist with deep experience in machine learning, computer vision, and time-series signal analysis.

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USD 100/hr
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Andrew L.

Full-Stack AI Engineer | LLM & GenAI Specialist | GPT/RAG Integration | Scalable AI Solutions for Real-World Impa...
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USD 40/hr
Masters of Science
United States

I am an AI Engineer and Full-Stack Machine Learning Specialist with over 10 years of experience building and deploying end-to-end AI systems in...

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USD 40/hr
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Dr. Ivana G.

Senior Scientific Consultant (PhD) | Knowledge Graphs, AI/ML & Multi-Omics Strategy
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USD 140/hr
Ph.D. in Molecular Biology and Biochemistry
Croatia

Profile Summary: I am a Senior Scientific Consultant with over 20 years of combined experience in top-tier academia (Weill Cornell Medicine) an...

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USD 140/hr
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Damilola A.

Finance & Accounts officer and tech analyst, coding using supabase and Figma with 10+ years experience
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USD 50/hr
Economics
Nigeria

Chartered Accountant (ACA) and...Economics graduate with 10+ years of progressive experience across finance, accounting, financial advisory, public...

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USD 50/hr
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Dr. Abhishek R.

AI Engineer & Data Analyst | LLMs, Automation, Python, SQL, NLP
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USD 68/hr
Bachelors
India

I am a Computer Science graduate with hands-on experience in Generative AI, LLM evaluation, and AI-driven automation. I have worked on projects...

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USD 68/hr
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Jun Fu L.

Epidemiology & Public Health Data Analyst | Expert in R, Python, SQL, and Medical ...
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USD 20/hr
Master of Public Health
Taiwan

I am a public health researcher specializing in epidemiology and medic...With a Master’s degree in Public Health (epidemiology) and over 10 peer-reviewed international publications...

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USD 20/hr
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Etebom N.

Research Data Analyst | Dataset Cleaning, Statistical Analysis & Reproducible Python Workflows
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USD 10/hr
Postgraduate Diploma
Nigeria

I am a data analyst and data preprocessing specialist with hands-on experience transforming raw, messy datasets into clean, structured, and ana...

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USD 10/hr
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Hamza B.

AI Research Consultant | Mathematical Modeling & Feasibility Analysis
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USD 40/hr
PhD
Morocco

I am an AI Research Engineer and PhD Candidate specializing in Adversarial Multi Agent Reinforcement Learning (MARL) and AI Security. My expert...

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USD 40/hr
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Dr. Tobias L.

robotics expert with experience in manipulation, human-robot interaction, autonomous driving
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USD 75/hr
Doctor of Philosophy (Ph.D) Electrical and Electronics Engineering
United States

robotics expert with experience in manipulation, human-robot interaction, autonomous driving, scientific writing

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USD 75/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.

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 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.