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Top Freelance SQL Experts for Hire

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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Muqudas R.

MS EE and Research consultant specializing in academic writing, AI & data analysis, and dissertation guidance suppor...
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USD 100/hr
MS in Electrical Engineering
Pakistan

I am a research consultant with a Master’s in Electrical Engineering, offering a strong blend of academic writing, technical research, and comp...

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USD 100/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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Faith A.

Spatial Data Scientist & Remote sesnisng Expert | 5+ years of experience in GIS research
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USD 50/hr
Bsc in GIS and remote sensing
Ghana

I am a spatial data scientist and consultant with experience supporting international research institutions and NGOs in fields such as biodiver...

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USD 50/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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Dr. Andrea C.

Bioinformatics & Software Engineering Consultant | RNA & Cancer Genomics | NGS Pipelines | Structural Biology &a...
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USD 50/hr
Master's degree
Italy

I provide advanced bioinformatics and software engineering solutions in RNA and protein structure modeling, cancer genomics, and next-generatio...

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USD 50/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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Dr. Muhammad J.

PhD in Computer Science | Expert in Scientific Visualization, Data Analysis & Algorithm Development
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USD 50/hr
Doctorate
Germany

I am an accomplished IT scientist with a PhD in Computer Science, specializing in medical visualization and software development. My work has f...

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USD 50/hr
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Austin B.

Multifaceted Computational Scientist and Developer with 5 years of experience in analyzing and managing large databases
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USD 30/hr
Master's of Science, Atmospheric Physics
United States

• Authored a series of programs that analyzed over 200 million data entries of hourly temperature and humidity data from NOAA’s public database...

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USD 30/hr
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Dr. Robbie C.

Computational neuroscientist with virtual healthcare industry experience.
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USD 150/hr
PhD | Neuroscience
United States

AI/ML Engineer and Data Scientist with a decade of experience driving digital health innovation from startup inception to large-scale data solu...

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USD 150/hr
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Conner K.

Supply Chain Mathematician & Data Architect | Optimization, ESG Analytics & AI Agents (Python/dbt)
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USD 125/hr
BA Political Economy
United States

I am a Systems Architect and Operations Scientist specializing in building "Decision Engines" for complex physical industries. I brid...

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USD 125/hr
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Dr. Murat T.

Seasoned data science & engineering professional with both academic and industrial/applied experience.
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USD 200/hr
Ph.D. - Computer Science
United States

I have a Ph.D. in Computer Science and a career dedicated to understanding and communicating the roles of disparate data sources in complex pro...

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USD 200/hr
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David K.

Data Labeling Specialist | Python | Computer Vision | Dataset QA & Annotation
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USD 18/hr
BA Psychology
Kenya

Detail-oriented data labeling specialist with experience annotating video and image datasets for computer vision and sports analytics pipelines...

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USD 18/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.

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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.

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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.