Top Freelance SQL Experts for Hire

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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Dr. Parvesh B.

Computational Genomics, String and Graph Algorithms, Data Science, Computational Biology
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USD 10/hr
PhD in Computational Biology
India

I am a PhD candidate in Computational and Data Sciences at the Indian Institute of Science, holding MTech in Computational Biology and BTech in...

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USD 10/hr
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Peter L.

Statistician & Data Analyst | R, Python, Biostatistics & Quantitative Modeling
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USD 30/hr
Masters of Science
United States

I help researchers and businesses turn complex datasets into clear, reproducible analyses. I hold an M.S. in Statistics and Data Science from t...

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USD 30/hr
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Dr. Hassna E.

Data Scientist & Machine Learning Engineer | NLP, Text Mining, Predictive Modeling & Time Series
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Master's Degree in Applied Mathematics & Modelling
France

I am a Data Scientist and Machine Learning Engineer with a background in applied mathematics, statistics and research engineering. I work with ...

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Dr. Muhammad A.

Associate Professor of Software Engineering | Ph.D. in Applied Information Science | AI, Human-Robot Inter
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USD 35/hr
M.S in Computer Science
Pakistan

Ph.D.-educated Computer Scientist, Academic Leader, and Senior Researcher with over two decades of combined industry and higher-education exper...

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USD 35/hr
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Jeffrey B.

Technical and Systems Architect, Translational Researcher - building science, stories, and systems.
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USD 80/hr
Computer Science and Information Systems
United States

Senior Systems Architect and Software Engineer with 30+ years of experience designing, securing, and modernizing backend systems and cloud infr...

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USD 80/hr
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Catherine F.

Environmental Consultant | GIS & Data Analyst
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USD 40/hr
United States

I am a wildlife biologist, GIS analyst, and environmental consultant with nearly 20 years of experience supporting government agencies, univers...

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USD 40/hr
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Dr. Jean Juste Harrisson B.

Biostatistician & Health Data Scientist | PhD Applied Mathematics | Survival & Longitudinal Analysis | R, Python
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USD 50/hr
PhD
South Africa

I help research teams, companies and health organisations turn complicated health and population data into defensible statistical answers — and...

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USD 50/hr
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Henrique C.

PhD researcher in ML & signal processing — detecting events and segments in time-series and sensor data
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USD 35/hr
Master of Science
Brazil

PhD candidate in Electronic and Computing Engineering (Telecommunications) at Instituto Tecnológico de Aeronáutica (ITA), following a...

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USD 35/hr
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Asma Z.

PhD Student in AI (Medical Imaging) - Your Swiss Army Knife for Academic/Research Tasks!
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USD 45/hr
MS in Data Science
Morocco

I’m a 4th year PhD candidate specializing in Artificial Intelligence for Medical Imaging, with a versatile skill set honed by the demanding wor...

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USD 45/hr
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Dr. Cory D.

Health Data Scientist, Artificial Intelligence (AI) in Healthcare | Biostatistics, Machine Learning, Clinical Trials
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USD 150/hr
Doctor of Philosophy
United States

I am a health data scientist and Postdoctoral Research Fellow at Pennington Biomedical Research Center, Louisiana State University (LSU), worki...

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USD 150/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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Dr. Andrew V.

Ph.D. Operations Research Expert | Optimization, Predictive AI, Supply Chain & Revenue Management | 20+ Yrs Exp
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USD 200/hr
Operations Research
United States

Dr. Andrew Vakhutinsky is a Principal Operations Research Scientist and Applied AI Leader with over 20 years of experience designing and deploy...

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USD 200/hr
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Dr. Amine E.

Statistical Analyst | Statistics, Biostatistics, Data Science & Research | R, Python, SPSS, Stata, SQL
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USD 50/hr
PhD in Data Science
France

I am a Data Engineer, Data Analyst and Quantitative Researcher with 7+ years of experience in statistics, data analysis and quantitative resear...

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USD 50/hr
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Celine S.

Data Analyst | Python, SQL, Data Cleaning & Visualization
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USD 10/hr
Grade 12
Egypt

I am a high school student (Grade 12) with a strong passion for data analysis and a C1 English proficiency level. I hold a DECI Level 2 certifi...

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USD 10/hr
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Yousaf B.

Computational Neuroscientist | Machine Learning, Signal Processing & Data Analysis | Cognitive Robotics
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USD 45/hr
MSc.
United Kingdom

I am a computational neuroscientist and data scientist with expertise in machine learning, signal processing, statistical modelling, robotics, ...

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USD 45/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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Tahereh A.

PhD Epidemiologist | Health Data Scientist | R · Python · SAS · ML | Biostatistics Consultant
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USD 40/hr
PhD
United States

PhD epidemiologist with 6+ years of applied research experience. I specialise in advanced epidemiologic methods and statistical analysis, incl...

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USD 40/hr
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Abdullah A.

AI & ML Research Assistant | Computer Vision, Explainable AI & Full-Stack Developer
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USD 30/hr
B.Sc
Bangladesh

AI & Machine Learning Research Assistant with experience developing deep learning models and publishing in peer-reviewed international jour...

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USD 30/hr
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David O.

Bioinformatician & Biostatistician | NGS, single-cell, survival & Bayesian analysis | R/Shiny tools | M.S. JHU, ...
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USD 95/hr
Bioinformatics
United States

I'm a bioinformatician and biostatistician with 15+ years of experience turning complex biological and clinical data into rigorous, publish...

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USD 95/hr
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Ahmed Mostakim F.

AI Researcher | Deep Learning, Machine Learning, XAI, Statistical Analysis, Model Building | MSc CS.
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USD 40/hr
Bachelors in Computer Science and Engineering
Bangladesh

I am an AI researcher and MSc Computer Science candidate at American International University-Bangladesh (AIUB), Bangladesh. I specialize in:...

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USD 40/hr
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Parsa T.

SAP Certified Data Scientist | SAP Datasphere, Power BI & Python
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USD 75/hr
Master of Applied Data Science
Australia

SAP Certified data scientist in Sydney with a Bachelor of Medical Science (ANU) and a Master of Applied Data Science (Monash). I help researche...

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USD 75/hr
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Dr. Dr Sagar C.

Dr Sagar Choudhary (Urban AI/Data Science/Citizen Science/Sensing)
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USD 8/hr
PhD
India

PhD (CSE), JRF, Assistant Professor AI, Citizen Science, Urban Analytics, Digital Forensics

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USD 8/hr
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Dr. Susmita R.

Medical Researcher, Physicist, Data Analyst
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USD 70/hr
PhD
Germany

PhD in physics with 10+ years of interdisciplinary medical and academic research experience in computational biomedical science combining medic...

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USD 70/hr
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Alan A.

CFD, Aerodynamics & Aeroelasticity Expert ,Flutter, Wind Tunnel Testing, Multidisciplinary Design
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USD 125/hr
Bachelor of Science and Master of Science
United States

I am an Aerospace Engineer and engineering consultant specializing in Computational Fluid Dynamics (CFD), aerodynamics, aeroelasticity, multidi...

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USD 125/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.

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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.

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You have to approve the deliverables only if quality meets your expectations. If you aren't happy, we'll refund your money.

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

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Post your Project (Free)

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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.