level-one heading

Top Freelance SQL Experts for Hire

Glory I.

Freelance Data Scientist & Analyst | Expert in Python, SQL, Power BI | Skilled in Machine Learning
Create Project
★★★★★
☆☆☆☆☆
USD 20/hr
B.Sc. Mathematics
Nigeria

Skilled in building machine learning models and analytics solutions that drive measurable business impact. Key achievements include developing ...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

Dr. Md Shahin I.

Agricultural Scientist | Data Analysts | Scientific Writing
Create Project
★★★★★
☆☆☆☆☆
USD 20/hr
PhD
Bangladesh

Data Analyst & Consultant | Scientific Writer | Bioinformatics & Agricultural Expert I'm a PhD-qualified researcher with over a de...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

Sydney D. L.

Freelance Data Scientist & Writer | Expert in Clinical Research & Healthcare
Create Project
★★★★★
☆☆☆☆☆
USD 100/hr
Master of Science (M.S.) in Data Science
United States

Data scientist and strategic project manager with 7+ years combining clinical research expertise, statistical analysis, and machine learning ap...

★★★★★
☆☆☆☆☆
USD 100/hr
Contact3

Kinga K.

Clinical data analyst and medical writer with 4 years experience in clinical research and systematic review.
Create Project
★★★★★
☆☆☆☆☆
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 ...

★★★★★
☆☆☆☆☆
Contact3

Laura J.

Data Analyst and Database Specialist
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
PhD
Romania

I help businesses turn messy spreadsheets into clear dashboards so they can make better decisions fast.

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Alaaya M.

Data Analyst & Statistician | Expert in Time Series, Survival Analysis & Research Data
Create Project
★★★★★
☆☆☆☆☆
USD 10/hr
BSc statistics
Nigeria

I am ALAAYA MUHAMMAD SAHEED, a Data Analyst and Statistician with a B.Sc. in Statistics and professional Data Analytics training from Utiva. I ...

★★★★★
☆☆☆☆☆
USD 10/hr
Contact3

Dr. Gabriel T.

As a PhD-qualified Biostatistician, Bioinformatician an Data Science
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
PhD Biomedical Sciences
Sweden

I am a PhD-qualified Biostatistician, Bioinformatician and Data Scientist with over a decade of experience in both clinical and non-clinical re...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Aly N.

AI Engineer & Data Scientist
Create Project
★★★★★
☆☆☆☆☆
Professional Diploma
Egypt

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

★★★★★
☆☆☆☆☆
Contact3

Ilias P.

Data Analysis Consultant & Online Instructor | Turning Data into Decisions
Create Project
★★★★★
☆☆☆☆☆
USD 50/hr
Master of Science (MSc) in Governance
Greece

I am an experienced academic researcher, data analyst, and educator with expertise in statistics, machine learning, and AI-assisted research to...

★★★★★
☆☆☆☆☆
USD 50/hr
Contact3

Oliur R.

Food Scientist & Data Analyst | Expert in MATLAB & SPSS
Create Project
★★★★★
☆☆☆☆☆
USD 8/hr
Bachelor of Science (Engineering)
Bangladesh

With a distinguished background in food science and engineering, I graduated with distinction from Shahjalal University of Science and Technolo...

★★★★★
☆☆☆☆☆
USD 8/hr
Contact3

Dr. Carlos R.

Biotechnologist | Project Manager | Data Analyst | with 10+ years of experience in biomedical research
Create Project
★★★★★
☆☆☆☆☆
USD 55/hr
Masters in Project Management
Panama

PhD in Biotechnology with over 15 years of experience in biomedical and biotechnological research. I specialize in multi-omics data analysis (R...

★★★★★
☆☆☆☆☆
USD 55/hr
Contact3

Christina P.

Data Scientist with Biotech background
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
MASTER IN BIOECONOMY
Germany

I specialize in transforming complex data into actionable insights through a full-stack data approach. My experience spans across: Data Mining...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

Petro T.

Medical Doctor | PhD Researcher | Machine Learning & Data Science for Healthcare
Create Project
★★★★★
☆☆☆☆☆
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...

★★★★★
☆☆☆☆☆
USD 40/hr
Contact3

Dr. Francesco R.

Scientific Writer & Data Analyst | Expertise in Research Support, Data Visualization & Presentation Creation
Create Project
★★★★★
☆☆☆☆☆
PhD Molecular Biology
Canada

I am a molecular and cellular biologist with a Ph.D. in Biochemistry and Molecular Biology and over 10 years of research experience across canc...

★★★★★
☆☆☆☆☆
Contact3

Angelica T.

Freelance HR & HCM Cloud Solutions | Oracle Certified
Create Project
★★★★★
☆☆☆☆☆
USD 8/hr
Bachelor of Science
Philippines

With over 12 years of experience across HR, compliance, and technology, I specialize in Oracle HCM Cloud, focusing on Core HR and Reporting mod...

★★★★★
☆☆☆☆☆
USD 8/hr
Contact3

Jharana A.

Data Analyst & AI Specialist | Python, SQL, Machine Learning | NLP & Predictive Modeling Expert
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
BSc (Hons) Computer System Engineering
Canada

I am a data analyst and AI professional with academic and hands-on industry experience. I hold a BSc in Computer Systems Engineering and a Post...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Manasseh O.

Data Analyst with 8+ years of experience | Expert in R, R-Shiny, SQL, Power BI & SPSS
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
Statistics and Programming
Kenya

I hold a degree in Statistics and Programming with certifications in Data Science. My research interests span data visualization, applied stati...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Dr. Hubert M.

Researcher | Data Processing Specialist | C++ Expert | Former Lead Game/Animation Programmer
Create Project
★★★★★
☆☆☆☆☆
Masters in Computer Science and Engineering
United Kingdom

+10 years experience in game industry (specialist of gameplay/animation/physics systems), +5 years experience in system/database/AI research a...

★★★★★
☆☆☆☆☆
Contact3

Dr. Lucy N.

PhD in Management Science | Expert in Statistics, Data Science & Research Methods
Create Project
★★★★★
☆☆☆☆☆
USD 100/hr
MS in Data Science
Tanzania

I am a passionate educator and data-driven consultant with a PhD in Management Science, an MSc in Statistics, an MS in Data Science, an MBA in ...

★★★★★
☆☆☆☆☆
USD 100/hr
Contact3

Ritwik B.

Freelance Data Scientist/Engineer | Expert in Python & SQL | 5+ Years Experience in Insurance, Actu...
Create Project
★★★★★
☆☆☆☆☆
USD 25/hr
Master of Technology
India

As a Freelance Data Scientist/Engineer with over 5 years of experience, I specialize in leveraging Python, SQL, and other tools to solve comple...

★★★★★
☆☆☆☆☆
USD 25/hr
Contact3

Dr. Ed E.

Astrophysics Professor | 15+ Years of Research, Peer-Reviewed Publications & Scientific Consulting
Create Project
★★★★★
☆☆☆☆☆
USD 30/hr
PhD
South Africa

I am an astrophysicist specializing in the integration of large-scale supercomputer simulations with observational data from leading global tel...

★★★★★
☆☆☆☆☆
USD 30/hr
Contact3

Dr. Muhammad H.

Data Scientist | Statistical Modeler | R, Python, STATA, SPSS | Machine Learning | SAE | Inequality Indices | DHS
Create Project
★★★★★
☆☆☆☆☆
USD 40/hr
Doctoral
Korea, South

Muhammad Hamza is an ambitious PhD student specializing in Biomedical Big Data Analytics at Gyeongsang National University, South Korea. He has...

★★★★★
☆☆☆☆☆
USD 40/hr
Contact3

Chandana P.

Freelance ph.D in computerscience with eexpertise in python , ml, ai, nlp with 15 yrs exp in medical research im imgae p
Create Project
★★★★★
☆☆☆☆☆
USD 1000/hr
Ph.D in computrrscience and engineering
India

Ph.d, python, r, java, working as aprofessor and developer in software company

★★★★★
☆☆☆☆☆
USD 1000/hr
Contact3

Atta U.

Advanced Bioinformatics Consultant | Python/R Workflow Developer
Create Project
★★★★★
☆☆☆☆☆
USD 20/hr
Master of Philosophy in Bioinformatics
Pakistan

I’m a Bioinformatics professional with a BSc in Bioinformatics and over a year of hands‑on research experience in both academia and applied set...

★★★★★
☆☆☆☆☆
USD 20/hr
Contact3

Arigna B.

Full Stack Developer | Java, React, Spring Boot | Building responsive, scalable, and secure web applications
Create Project
★★★★★
☆☆☆☆☆
USD 49/hr
B.Tech.
India

Full Stack Developer with 1+ year of experience in developing robust web applications using Java, React.js, Spring Boot, and MySQL. Skilled in ...

★★★★★
☆☆☆☆☆
USD 49/hr
Contact3

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.