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Top Freelance SQL Experts for Hire

Hasnain L.

Skilled in ASP.NET, C#, and front-end, with 6+ years crafting scalable and robust applications.
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USD 20/hr
BSCS

With 8+ years of experience as a highly-skilled software developer, I bring expertise in ASP.NET (Core), MVC, Web Forms, Web API, C#, SQL, and ...

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USD 20/hr
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Dr. Teofil N.

Experienced Bioinformatics Consultant | R/Python Developer | Genomics • Transcriptomics • Data Science • Evolution
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USD 85/hr
PhD
Costa Rica

Dr. Teofil Nakov is a biologist specializing in the evolution and phylogenetics of diatoms, a group of microalgae found in aquatic environments...

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USD 85/hr
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Godwin L.

Data Analyst, Ministry of Defence| Agile| Data Analyst| Cyber Security| Enthusiast in Data Science, AI, ML
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USD 100/hr
BSc Applied Statistics with Computing
Kenya

As a Data Analyst at Defence Forces Welfare Services – Ministry of Defence, I specialize in transforming raw data into insights that improve de...

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USD 100/hr
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Dr. Matúš P.

Freelance Remote Sensing Data Scientist | Vegetation, Land Use & Environmental Monitoring with 5+ years of experienc...
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USD 18/hr
Masters of Science
Slovakia

I am a Freelance Remote Sensing and Data Scientist (PhD in Forest Ecology) with expertise in Earth Observation (EO) and AI for environmental an...

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USD 18/hr
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Hrishit D.

MSc Robotics | Expert in AI, ROS 2, Embedded Systems, LoRa, and Technical/Academic Documentation
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USD 40/hr
MSc Robotics
United Kingdom

Experienced in Robotics and Artificial Intelligence, with expertise in developing advanced machine learning and deep learning solutions. A prov...

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USD 40/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. Hani N A.

Freelance Data Analyst & Bioinformatician | Expert in R & python and data visualization
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USD 100/hr
PhD in Biomedicine
Sweden

I recently completed my Postdoctoral Research in experimental medical sciences, with a specialization in lung bioengineering and regeneration. ...

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USD 100/hr
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Muhammad S.

Biomedical Science Researcher | Data Analysis, Scientific Writing & AI Solutions for Healthcare & Life Sciences&...
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USD 19/hr
BSAI
Pakistan

Biomedical Science researcher with expertise in data analysis, scientific writing, and AI-driven healthcare solutions. Skilled in systematic re...

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USD 19/hr
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Mohammad N.

Data Analyst with MSc in Mathematics and MBA in Marketing, skilled in data processing and insights.
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USD 50/hr
Master of Business Administration (Marketing)
Malaysia

I am a dedicated Data Analyst with a robust academic background in Mathematics and Business, holding an MBA in Marketing from Kharazmi Universi...

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USD 50/hr
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Dr. Jessica Chao Y.

Data Analysis & Bioinformatics Expert | Python, R, RNA-seq, ML
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USD 40/hr
PHD ( computer bioinformatics)
United States

I have a PhD in Computer Science with strong experience in data analysis, bioinformatics, and machine learning. I work with Python and R, and h...

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USD 40/hr
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Sydney D. L.

Freelance Data Scientist & Writer | Expert in Clinical Research & Healthcare
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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...

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USD 100/hr
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Laura J.

Data Analyst and Database Specialist
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USD 50/hr
PhD
Romania

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

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USD 50/hr
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Dr. Gabriel T.

As a PhD-qualified Biostatistician, Bioinformatician an Data Science
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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...

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USD 50/hr
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Dr. Shanker R.

Research Article Writier - Medical and Engineering Subjects
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USD 9/hr
PhD
India

Academic writing

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USD 9/hr
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Ilias P.

Data Analysis Consultant & Online Instructor | Turning Data into Decisions
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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...

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USD 50/hr
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Abdullah I.

Machine Learning & Data Analytics Developer | Python, SQL | Shipping AI from Data to Production
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USD 12/hr
Bachelors in Information and Technology
Pakistan

Early-career Machine Learning Engineer & Data Analyst — building production-ready AI systems, from raw data and analysis to reliable APIs a...

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USD 12/hr
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Dr. Safdar J.

PhD in Computer Science | Expert in HPC, Storage Systems & Large-Scale System Optimization
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USD 20/hr
Doctorate of Computer Science and Engineering
South Korea

I am a PhD-qualified computer scientist with expertise in system-level research, storage systems, and high-performance computing (HPC). Over th...

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USD 20/hr
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Nikita K.

Freelance Researcher | AI, Bioinformatics, Digital Biomarkers & Wearable Data Analytics for Healthcare
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USD 50/hr
Masters (Science)
Germany

I am a freelance researcher and data scientist specializing in bioinformatics, digital biomarkers, wearable data analytics, and precision healt...

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USD 50/hr
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Majid T.

Scientific Editor and Reviewer
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USD 50/hr
PhD
Canada

I have several years of experience as a scientific editor and peer reviewer for a wide range of high-impact journals and international conferen...

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USD 50/hr
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Dr. Paola B.

PhD in Computer Science - Researcher in Argumentation with AI - Research & innovation consultant
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USD 70/hr
PhD (Computer Science)
Argentina

I hold a PhD in Computer Science with a specialization in Artificial Intelligence and bring over 10 years of experience in academic research an...

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USD 70/hr
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Dr. Melissa M.

Freelance Statistician & Data Scientist | Expert in R & MATLAB | Background in Neuroscience Research
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USD 40/hr
PhD in Cognitive Neuroscience
United States

Data scientist and researcher with 10+ years of experience in healthcare analytics and program evaluation, behavioral research, and data scienc...

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USD 40/hr
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Christina P.

Data Scientist with Biotech background
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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...

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USD 30/hr
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Naser A.

Biostatistician | Data analyst | Statistical programmer | Shiny app developer
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USD 8/hr
MSC in Biostatistics
Iran

A seasoned Public Health Data Analyst with an MSc in Biostatistics and over 12 ye...transforming complex data into actionable public health insights....

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USD 8/hr
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Chouaib B.

Bioinformatics & Data Science Expert | HPC Pipelines | Metagenomics, R & Python
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USD 18/hr
Master’s Programme in Computing Sciences - Data Science
Finland

During my tenure as a Research Assistant at the University of Turku within the Turku Data Science Group, I engaged in a wide range of tasks—fro...

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USD 18/hr
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Nabil I.

Data Analyst | Machine Learning & Predictive Analytics | Marketing & HR Analytics
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USD 10/hr
Associate Degree in Computer Science
Egypt

I am a Data Analyst and Research Professional with expertise in data analysis, machine learning, and marketing analytics, supporting decision-m...

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USD 10/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.

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.