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Top Freelance SQL Experts for Hire

Dr. Sam D.

PhD Scientific Consultant | Materials & Chemistry | Product R&D, Failure Analysis & Scientific Writing
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USD 80/hr
Ph.D, Materials Science and Engineering
United States

I’m a PhD materials scientist and chemistry-trained domain expert who helps companies translate advanced materials into product decisions, with...

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USD 80/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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Francisco José D.

PhD Biologist | Literature Reviews · Academic Research · Scientific Writing · Market Studies
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USD 45/hr
Licenciatura en Biología
Spain

I am a PhD Biologist with over 15 years of university teaching experience and a strong track record in scientific research, academic writing, a...

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USD 45/hr
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Amit K.

Data Analyst | Python, SQL, Power BI & Excel Expert | Data Visualization & Business Insights
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USD 30/hr
B.Sc.
India

I am a detail-oriented and analytical professional with experience in data analysis, business process automation, reporting, and reconciliation...

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USD 30/hr
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Oliur R.

Food Scientist & Data Analyst | Expert in MATLAB & SPSS
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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...

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USD 8/hr
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Naghmeh R.

Bioinformatics Consultant | RNA-seq, Single-Cell & Spatial Transcriptomics Analysis, Multi-Omics Analysis,NGS Analys...
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USD 60/hr
Master of science in data analytics
United States

I am a Computational Biologist and Bioinformatics Consultant with expertise in RNA-seq, single-cell RNA-seq, spatial transcriptomics, multi-omi...

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USD 60/hr
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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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Gabriel O.

Data Analyst & Data Engineer | Python, SQL, Data Cleaning & Insights
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USD 40/hr
MSc Artificial Intelligence & Data Science (Distinction)
Netherlands

I am a Data Engineer with an MSc in Artificial Intelligence & Data Science and a strong background in microbiology and biomedical research....

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USD 40/hr
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Dr. Carlos R.

Biotechnologist | Project Manager | Data Analyst | with 10+ years of experience in biomedical research
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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...

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USD 55/hr
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Mohd H.

Certified Data Scientist | Power BI Dashboard Developer | Machine Learning & Python Expert
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USD 12/hr
Bachelor of Technology
India

Certified Data Scientist with expertise in Machine Learning, Power BI, Python, SQL, Deep Learning, and Data Analytics. I build interactive dash...

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USD 12/hr
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Dr. Francesco R.

Scientific Writer & Data Analyst | Expertise in Research Support, Data Visualization & Presentation Creation
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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...

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Angelica T.

Freelance HR & HCM Cloud Solutions | Oracle Certified
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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...

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USD 8/hr
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Jharana A.

Data Analyst & AI Specialist | Python, SQL, Machine Learning | NLP & Predictive Modeling Expert
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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...

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USD 25/hr
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Manasseh O.

Data Analyst with 8+ years of experience | Expert in R, R-Shiny, SQL, Power BI & SPSS
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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...

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USD 25/hr
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Dr. Lucy N.

PhD in Management Science | Expert in Statistics, Data Science & Research Methods
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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 ...

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USD 100/hr
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Ritwik B.

Freelance Data Scientist/Engineer | Expert in Python & SQL | 5+ Years Experience in Insurance, Actu...
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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...

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USD 25/hr
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Dr. Muhammad H.

Data Scientist | Statistical Modeler | R, Python, STATA, SPSS | Machine Learning | SAE | Inequality Indices | DHS
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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...

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USD 40/hr
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Chandana P.

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

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

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USD 1000/hr
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Atta U.

Advanced Bioinformatics Consultant | Python/R Workflow Developer
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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...

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USD 20/hr
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Arigna B.

Full Stack Developer | Java, React, Spring Boot | Building responsive, scalable, and secure web applications
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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 ...

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USD 49/hr
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Angus F.

Data Scientist with 13 years Chemistry R&D experience in Oil & Gas and Ag
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USD 50/hr
Masters of Science
United States

13 years of scientific R&D across different industries provides me with unique experience to address any data science challenge. My skillse...

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USD 50/hr
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Dr. Alexey P.

Bioinformatics expert specializing in protein interactions, structure modeling, and protein design
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USD 150/hr
PhD (Chemistry)
United States

I am a computational biologist with over 20 years of experience in bioinformatics, protein structure modeling and functional annotation. My res...

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USD 150/hr
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Manjunath M.

Senior Techno-Business Analyst | Salesforce & Veeva Expert | Operations & Stakeholder Management | 13+ Years in ...
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USD 95/hr
MBA
Canada

A hardworking, goal-oriented professional, looking for a role in Information Technology. Extensive experience both as an individual contributor...

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USD 95/hr
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Eman S.

Software Engineer| AI Researcher, PhD| NLP & Deep Learning| Technical Recruiter
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USD 100/hr
PhD in Biomedical Engineering
Egypt

Fond of problem solving through software cycle; analysis, design and develop- now specializing in solving complex challenges through Artificial...

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USD 100/hr
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Lisa L.

Statistician and programmer in HEOR and RWD (HTA submission) with 6+ years professional experience | R and SQL
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USD 150/hr
Masters of Science in Statistics
Canada

Meta analyses; NMA; MAIC; surrogate endpoint analyses; report writing; R and SQL coding

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USD 150/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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We take several measures to help you work with full confidence and peace of mind.

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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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Contact experts directly

Speak directly with freelancers and explain your requirements.

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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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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.