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Top Freelance SQL Experts for Hire

Dr. Tomoko O.

Data Scientist & Policy Analyst | Climate · AI · Science & Technology | Large-Scale Text Analysis ...
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USD 50/hr
Ph.D, Mass Communications, (minor in Quantitative Methods in Social Sciences)
Germany

I am a computational social scientist and data scientist specializing in large-scale NLP-based analysis of public opinion on climate change, AI...

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USD 50/hr
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Gayane M.

MD & Clinical Data Specialist (MySQL, Postgres,Tableau, Excel). Medical Data Entry. Expert in Data Validation. ETL.
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USD 25/hr
Medical Doctor (MD)
United States

Highly analytical and credentialed Clinical Data Specialist (MD/FMG, CPhT) with over 15 years of experience in data administration, full-stack ...

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USD 25/hr
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Dr. Dinesh K.

Professor, Military Veteran & Consultant in HR, AI, Business Analytics and Future of Work
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PhD
India

Dr. Dinesh Kumar Jangra is a professor, military veteran, author and consultant working at the intersection of organisational behaviour, HRM, b...

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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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Jean M.

Clinical data expert specialized in R/Python analytics, clinical and biometrics data workflows and strategy
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USD 120/hr
MD, MS
United States

Clinical data and biometrics leader with 20+ years of experience across global clinical trials, from Phase I to pivotal studies. Specialized in...

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USD 120/hr
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Dr. Kunal K.

Freelance Statistician | PhD in Statistics | Expert in SPSS, R, Python, SAS, Excel, Research & Data Analysis
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USD 45/hr
Doctor of Philosophy (Ph.D)
India

I am a PhD holder in Statistics and currently serve as an Assistant Professor with over 14 years of experience in academics and applied researc...

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USD 45/hr
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Mohamed M.

Ph.D. in Operations Research | ML & Optimization for Mining, Logistics, Pricing | Production-Deployed Solutions
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USD 125/hr
Doctor of Philosophy (Ph.D)
Canada

Data Scientist with a Ph.D. in Operations Research from Polytechnique Montreal. I build optimization and ML systems that run in production and ...

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USD 125/hr
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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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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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Dr. Matt B.

Data Scientist & Applied Statistician | PhD | Experiment Design, Mixed-Effects Modelling, Behavioural Research
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USD 55/hr
PhD
Germany

I'm a data scientist with a PhD in cognitive psychology, 5+ years of experience teaching statistics to undergraduate students, and 10+ year...

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USD 55/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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Syukur D.

Nanomaterials Scientist and Applied Data Scientist for R&D"
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USD 15/hr
Doctoral Program
Indonesia

Research in Material Science, IOT and Implementation of ML in Science

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USD 15/hr
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Dr. Aaron D.

Senior PhD Biostatistician & Health App Dev. | R/Quarto Expert | RWE, Predictive Modeling & Psychometrics| 15+ Y...
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PhD
United States

I am a Senior Biostatistician and PhD-level Research Psychologist with over 15 years of experience in clinical research, epidemiological data a...

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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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Dr. Graig-David S.

Developer||Bioinformatics|| Biomedical Signal Processing||Medical Image Analysis||Radio Frequency Engineering.
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USD 80/hr
MSc Informatics
Namibia

Graig-David Snyders senior-level scientific and engineering generalist specializing in the intersection of biomedical signal processing, medica...

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USD 80/hr
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Dr. Michelle E.

Data Scientist | Research & Intelligence Analyst | Business Intelligence | Risk Analytics | AI/ML & Network Anal...
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USD 75/hr
Doctor of Business Intelligence
United States

Data scientist and intelligence analyst with 20+ years of experience turning complex data into actionable insights....I specialize in fraud detection, network analysis, and AI-driven analytics using Python, SQL, and graph...

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USD 75/hr
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Dr. Anum M.

Bioinformatics Scientist & Computational Biologist | Cancer Genomics | Expert in Python, R, Bash, NGS, and Multi-omi...
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USD 35/hr
PhD Computational Biology
United Kingdom

I am a bioinformatics scientist with 7+ years of experience in cancer genomics, multi-omics data analysis, and pipeline development. During my...

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USD 35/hr
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Senakpon Godfroy A.

Full-Stack Developer & UI/UX Designer | Specialist in AI Integration, Technical Writing & Bilingual Translation
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USD 9/hr
BS in computer science
Benin

I am a multidisciplinary Software Engineer and UI/UX Designer dedicated to building intelligent, user-centric digital products. My core experti...

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USD 9/hr
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Dr. Maria P.

Postdoctoral researcher with over 17 years of experience in computational biology and bioinformatics.
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USD 50/hr
graduated at BioHack Academy 4
Italy

Expertise in machine learning, multi-omics data integration, microbiome research, and metabolomics. Track record of developing innovative analy...

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USD 50/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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Dr. Russell L.

Immunologist and Bioinformatician
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USD 30/hr
Immunology
United States

I am a PhD-level immunologist with 10 years of experience in research and scientific communication. I have a...proven record of analyzing and presenting complex data for diverse audiences and publishing high-impact publications...

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USD 30/hr
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Dr. Teesha B.

PhD Biochemist | Data Analyst | R, Python, SQL | Statistical Analysis & Data Visualization
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USD 45/hr
PhD in Biochemistry
Canada

PhD biochemist with 10+ years of experience analyzing complex experimental datasets. I help life sciences companies extract meaningful insights...

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USD 45/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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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 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.

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 aren't happy, we'll refund your money.

Project Management

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

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How it works View full page
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Post your Project (Free)

Your project details are safe, secure and visible only to logged-in users.

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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.