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Top Freelance SQL Experts for Hire

Dr. Reham N.

Freelance Statistician & Data Analyst | Biostatistics PhD (c) | Expert in SPSS, R, Excel, Power BI, SQL
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USD 50/hr
MPH in Biostatistics
Egypt

Bilingual Data Analyst & Clinical Research Expert with 8+ years of experience as a clinical pharmacist and a Ph.D. candidate in Biomedical ...

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USD 50/hr
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Maya S.

Single-Molecule Fluorescence | PacBio SMRT Sequencing | Nucleic Acids and Protein Chemistry
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USD 150/hr
Ph.D., Chemistry
United States

Dr. Maya Segal is an interdisciplinary scientist with 10+ years of experience spanning wet lab and computational biology. Her expertise include...

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USD 150/hr
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Dr. BOUTYOUR Y.

AI Researcher & Developer | Reinforcement Learning, Deep Learning, Machine Learning, and Educational Technology Expe...
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USD 60/hr
Phd
Morocco

I am an AI researcher and developer (PhD) specializing in Reinforcement Learning, Multi-Agent Systems, and Educational Technology. My expertise...

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USD 60/hr
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Aly N.

AI Engineer & Data Scientist
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USD 25/hr
Professional Diploma
Egypt

I am an AI Engineer with a strong research background, specializing in Natural Language Processing (NLP), Computer Vision, and Explainable AI (...

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USD 25/hr
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Mohammed A.

Freelance Physicist & Astronomer | Research, Data Analysis & Scientific Writing Expert
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USD 60/hr
MSc in solar physics
Egypt

I am a dedicated Physicist and Astronomy researcher with a strong academic background in physical sciences and a deep passion for understanding...

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USD 60/hr
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Wenjie W.

Freelance Statistician & Data Analyst | Expert in Python | Years of hands-on modeling and scientific writing experie...
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USD 20/hr
Masters of Science
Germany

I’m a data analyst with strong statistical knowledge, years of hands-on modeling experience, and extensive expertise in Python. Whether you’re ...

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USD 20/hr
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Dr. Kunal K.

Freelance Statistician | PhD in Statistics | Expert in SPSS, R, Python, SAS, Excel, Research & Data Analysis
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USD 45/hr
Doctor of Philosophy (Ph.D)
India

I am a PhD holder in Statistics and currently serve as an Assistant Professor with over 14 years of experience in academics and applied researc...

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USD 45/hr
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Petro T.

Medical Doctor | PhD Researcher | Machine Learning & Data Science for Healthcare
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USD 40/hr

I am a medical doctor and PhD researcher specializing in the application of machine learning and data science in medicine. I have hands-on expe...

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USD 40/hr
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Vaibhav R.

Applied AI & Computer Vision Researcher | CVPR/NeurIPS | Vision-Language, 3D, Avatars
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USD 40/hr
M.S. By Research
India

I am an MS (Research) student in Artificial Intelligence & Data Science at IIT Bombay, with publications accepted at top-tier conferences i...

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USD 40/hr
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Dr. Janko D.

Custom Bioinformatics Software Developer | Scientific Tools, Large-Scale Biological Databases & Proteomics
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USD 60/hr
PhD
Croatia

I am a bioinformatics software developer and PhD researcher in proteomics with over 20 years of professional experience delivering custom scien...

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USD 60/hr
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Eric W.

IT Support Technician & Data Analytics Specialist | Bridging Technology and Research for Informed Decision-Making
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USD 19/hr
Master of data analytics major in software engineering
Australia

I work at the intersection of technology and research, supporting data-driven projects with strong analytical rigor and reliable technical syst...

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USD 19/hr
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Ben S.

Freelance in Scientific Computing, Modeling, Simulation, Optimization, ML for Biology and Physics
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USD 80/hr
PhD
Spain

Senior Computational R&D Scientist transitioning from academia with 9 years of postdoctoral experience in computational modelling for the l...

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USD 80/hr
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Micaelan H.

Senior Academic & Specialist Consultant | Psychology, Neuropsychology, Education, & STEM
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USD 60/hr
BA (Hons) Psychology
South Africa

Micaelan is a senior academic and registered counsellor with significant experience consulting in the fields of education and mental health, wo...

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USD 60/hr
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Dr. Moges Ahmed M.

AI Researcher , Machine Learning, deep learning, NLP, Computer Vision, and Multilingual Language Technologies
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USD 40/hr
MSc
China

I am a PhD researcher in computer science and artificial intelligence at Wuhan University of Technology, specializing in machine learning, arti...

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USD 40/hr
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Joel B.

Health and Social Researcher With Extensive Data Skills
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USD 24/hr
Data Analyst Trainee
United Kingdom

I am a research analyst with five years of experience specializing in the intersection of healthcare, data science, and clinical operations. My...

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USD 24/hr
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Dr. Geva G.

Expert in Healthcare AI, Digital Health Innovation, Data Analytics, and Health Policy
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USD 150/hr
PhD
United Kingdom

• Expert in Digital Health Innovation, Real-World Evidence (RWE), Health Policy, and Human Factors • Author of 120+ Peer-Reviewed Publications...

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USD 150/hr
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Antonio C.

Multidisciplinary Software Architect | 25+ Years in Data Platforms, Knowledge Discovery & Life Sciences R&D
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USD 150/hr
Computer Engineering Degree
Switzerland

I've held pivotal roles including IT Director, Team Leader, Software Architect, and Developer across diverse sectors such as Defence, Indus...

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USD 150/hr
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Dr. Diane N.

EV & Drug Delivery Expert | AI/ML for Biomedical Data | ISO/NIST-Compliant Protocols | SBIR & Technical Writing ...
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USD 110/hr
Biomedical Engineering
United States

Experienced Biomedical Engineer | Extracellular Vesicles, Drug Delivery Systems, AI/ML for Translational Research I am a PhD-trained biomedical...

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USD 110/hr
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Kinga K.

Clinical data analyst and medical writer with 4 years experience in clinical research and systematic review.
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Master's in Biological sciences
Poland

I am a clinical data analyst with 4 years experience with a university degree in biological sciences and several years of experience assessing ...

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Dr. Sadi V.

Applied AI Scientist & AI Consultant | Face Recognition, Computer Vision, AI Agents | From Research to Production
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USD 150/hr
Ph. D Student
Australia

I am an Applied AI Scientist, AI Architect, and Consultant with deep expertise in computer vision, face recognition, multimodal AI systems, and...

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USD 150/hr
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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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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 the safety and security of your payments, personal information and project details. Kolabtree’s T&C include 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 aren'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 if 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 aren't happy, we'll refund your money.

Project Management

Keep track of files and conversations in the user-friendly Workspace.

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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.