Top Freelance SQL Experts for Hire

Muzamil T.

Data Scientist & Analyst | Project Manager | Physics-Informed Data Intelligenc
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USD 25/hr
BS
Pakistan

I look at data through the lens of a Physicist. Many data science approaches treat data as abstract numbers and patterns. With a background in...

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USD 25/hr
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Seyedeh Fatemeh H.

Data Scientist | Full ETL Pipelines | Machine Learning | Power BI | Web Scraping | Python | End-to-End Data Solutions
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USD 30/hr
Bachelors
Ireland

I am a Data Scientist with 2+ years of experience building production-ready machine learning models, ETL pipelines, web scrapers, and interacti...

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USD 30/hr
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Shadrach S.

Applied Geologist & Geospatial Specialist with 8+ years of experience in mineral exploration and GIS
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USD 31/hr
MS Geophysics
Nigeria

I'm an applied geoscientist and geospatial practitioner with an MSc in Geology, focusing on applied geophysics, and over 8 years of experie...

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USD 31/hr
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Dr. Sharmistha D.

Scientific Writer & Biotechnology Consultant | Nanotechnology | Neurotherapeutics | Computational Biology | AI-Drive...
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USD 25/hr
PhD
India

I am a final-year PhD Research Scholar in Biotechnology with interdisciplinary expertise spanning nanobiotechnology, computational biology, bio...

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USD 25/hr
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Eric L.

Boston-based Data Scientist & Scientific Researcher with 10+ Years Experience | Former Harvard Medical School Facult...
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USD 150/hr
Graduate Certificate in Data Science
United States

I'm a Boston-based data scientist, scientific researcher and published author who loves providing data-driven solutions for businesses, org...

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USD 150/hr
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Abdullateef A.

Microbiologist & writer, Data Analysis| expert in spss, PowerBi, Ms Excel and postgreSQL, AI automation
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USD 50/hr
Master Degree in Microbiology
Nigeria

I am a Microbiologist, Scientific Researcher, Medical Writer, and Data Analyst with experience in laboratory diagnostics, antimicrobial suscept...

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USD 50/hr
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Dr. Dino P.

Network Science, Statistics, Data Analysis & Research Software Consultant
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USD 90/hr
PhD Sociology
Croatia

Dino Pitoski, PhD is a researcher, entrepreneur, and academic whose work spans network science, social statistics, migration, and operations ma...

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USD 90/hr
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Dr. Mithilesh D.

Accredited Statistician (AStat) & Medical Doctor | Causal Inference & Health Data Science | Social Mental Health
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USD 100/hr
PhD
Australia

I am an Indian! I want to help prevent and...alleviate suffering for the sickest, poorest, and most vulnerable people using biostatistics & public...

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USD 100/hr
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Tomás Ricardo B.

MsC in Physics of Complex systems, currently studying a PhD in Statistics, with multiple published works.
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USD 25/hr
Masters Degree in Physics
Mexico

I am an analytical, problem-solving person. I completed a master’s degree in complex systems physics in the University of Copenhagen. I have...experience in complex systems, machine learning, data science, and stochastic processes, with several publications...

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USD 25/hr
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Dr. Georgy T.

Cornell PhD Researcher | Data Analysis, Survey Design & Academic Writing
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USD 30/hr
BA in Political Science
France

I am a Cornell PhD candidate in Government/Political Science with expertise in social science research, data analysis, survey methodology, and ...

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USD 30/hr
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Hira N.

AI ML Researcher and Engineer with 4+ years of hands-on experience
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USD 25/hr
MPhil Data Science
Pakistan

I'm a software developer with 4+ years of experience spanning machine learning and, more recently, generative AI. I hold an MPhil in Data S...

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USD 25/hr
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Elizabeth A.

Delivery exceptional business insights and actions through data analytics. Leveraging in-depth experience and tools.
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USD 35/hr
Post Graduate Degree in Data Science
United States

Demonstrates advanced proficiency in leveraging data visualization, statistical methods, and analytical tools to drive strategic decision-makin...

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USD 35/hr
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Dr. Maimoona R.

Physics PhD | Data Analyst — Python, SQL & Power BI for Complex Datasets
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USD 40/hr
Physical, Chemical, Material Sciences and Technologies
Italy

PhD in High Energy Particle Physics with hands-on experience analyzing large-scale, complex datasets from particle physics experiments....Skilled in Python (pandas, NumPy), SQL, and Power BI for data cleaning, statistical analysis, visualization...

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USD 40/hr
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Dr. Kuba O.

Neuromodulation Specialist | Adaptive DBS, Neural Modelling, Scientific Computing
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USD 35/hr
PhD in Control Theory
Ireland

I am a computational neuroscientist specialising in closed-loop neuromodulation, deep brain stimulation, and control-based approaches to brain ...

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USD 35/hr
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Josh F.

Data Science | Machine Learning | Uncertainty Quantification | Senior Research Engineer | Former NASA & U.S. Navy
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USD 150/hr
Master of Science in Mechanical Engineering
United States

I deliver innovative skills and experience to generate tangible ROI—whether developing tailored machine learning systems, engineering deployed ...

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USD 150/hr
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Dr. Radhika H.

Genomic Scientist | PhD in Plant Biotechnology | Bioinformatics & NGS Specialist | AI-Driven Biology
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PhD in Plant Biotechnology
India

Research Experience: Doctoral Research (2017-2023) Worked as Junior Research Fellow under the project entitled “Identification of bacterial bli...

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Dr. Darlinton C.

R&D specialist with 15+ years of experience creating innovative software solutions
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USD 128/hr
PhD Computer Science
Brazil

My work combines applied research, software engineering, and innovation, with a focus on transforming emerging technologies and research ideas ...

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USD 128/hr
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Nicolas P.

Freelance Bioinformatics MS student | Microbial Genomics | Python, Julia, R
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Biotechnology
Brazil

Bioinformatics Master's student with main experience on agricultural microbial biotechnology.

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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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Harish K.

Data Analyst | GHG & ESG Analytics | Python, SQL & Power BI | Geospatial & Remote Sensing
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USD 29/hr
M.Sc.
India

I am a Data Analyst and GHG Research Modeller with expertise in data analytics, environmental data, GHG emissions analysis, ESG reporting, geos...

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USD 29/hr
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Abraham K.

Epidemiology & Biostatistics Expert | R, Python, Survival Analysis & Health Data
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USD 35/hr
Msc in Medicine (Medical Big Data)
South Korea

I am a public health researcher and health data analyst with training in epidemiology, medical big data, biostatistics, machine learning, nutri...

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USD 35/hr
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Riadh A.

Econometrician & Quantitative Research Consultant | Time Series, Financial Econometrics & R
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USD 100/hr
PhD / Doctorate
Tunisia

Econometrics · R · Time Series Analysis · Financial Econometrics · Statistical Analysis · Data Analysis · Regress...

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USD 100/hr
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Musafar S.

AI Specialist & ML Engineer | Expert in Agentic AI & Automation
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USD 20/hr
BS in Computer Science
Pakistan

AI Specialist with professional experience in machine learning, agentic AI, RAG systems, and automation. Skilled in Python, LangGraph, PyTorch,...

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USD 20/hr
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Kıvanç F.

Data Analyst & Statistical Consultant | Python, SQL, R, SPSS, Excel & BI
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USD 40/hr
Bachelors
Turkey

I am a data analyst and data engineer with 4+ years of experience transforming complex datasets into reliable analysis, automated reports, and ...

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USD 40/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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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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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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