Top Freelance SQL Experts for Hire

Ruan S.

Applied Mathematician (PhD student) | Data Science, Statistical Modeling, Optimization & Scientific ML
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USD 50/hr
Phd in Applied Mathematics
Brazil

Applied-mathematics researcher. Ph.D. student in Applied Mathematics (FGV/EMAp, stochastic optimization for power systems) and M.Sc. in Systems...

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USD 50/hr
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Deepanshu G.

Freelance Data Scientist | Python, SQL, ML | Streamlit & FastAPI App Builder
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USD 20/hr
Bachelors
India

Data analyst and data scientist with hands-on experience across the full analytics stack — Python (Pandas, Scikit-learn), SQL, Excel, Power BI,...

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USD 20/hr
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Jack K.

Computational Biologist offering consultation on research strategy and data analysis
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USD 30/hr
MSc Biomedical Sciences
Netherlands

As a researcher with a MSc in Biomedical Sciences and BSc in Biochemistry, I bring a strong scientific background to projects involving data mo...

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USD 30/hr
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Faith A.

Spatial Data Scientist & Remote sesnisng Expert | 5+ years of experience in GIS research
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USD 50/hr
Bsc in GIS and remote sensing
Ghana

I am a spatial data scientist and consultant with experience supporting international research institutions and NGOs in fields such as biodiver...

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USD 50/hr
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Dhruv T.

Business & Data Analyst | Expert in SQL & Excel (10 Years) | Program Management (10 Years)
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USD 150/hr
Master of Science
India

Strategic Data Analyst Leader with over 10 years of progressive experience across Amazon, Bank of America, and HCL Technologies, specializing i...

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USD 150/hr
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Reddy Sai Srinivas K.

Senior Data Analyst & Technical Consultant | Advanced SQL, Python, ETL & Power BI
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USD 10/hr
Masters of Science
India

I am a Senior Data Analyst and Technical Consultant with over 5 years of experience architecting automated, scalable data infrastructure that c...

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USD 10/hr
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Muhammad N.

Machine Learning & Python Developer | AI Automation | Computer Vision | Generative AI
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USD 8/hr
Bs software engineering
Pakistan

I am a Software Engineering undergraduate with a strong interest in Artificial Intelligence, Machine Learning, and backend software development...

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USD 8/hr
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Valerii K.

ML Software Engineer
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USD 25/hr
M.Sc (Master of Science)
Georgia

I am an AI Life Science Engineer and Biostatistician with a Master’s Degree (with honors) in Bioinformatics and Systems Biology. Currently work...

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USD 25/hr
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Dr. Sara L.

Freelance Research Scientist, Statistician and Psychometrician | Expert in R
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USD 100/hr
PhD
United States

PhD Social Psychology, 20+ yrs experience in research design and statistical analysis, 15+ yrs experience in R programming, 10+ yrs experience ...

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USD 100/hr
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Daniel S.

Data Scientist & Engineer | Python Developer | Multidisciplinary STEM & Finance Expert
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USD 15/hr
BSc Energy and Environmental Engineering
Kenya

I am a Data Scientist and Engineer with a multidisciplinary background bridging mechanical/electrical engineering physics, machine learning, an...

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USD 15/hr
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Dr. Sofya M.

Freelance Data Scientist & Bioinformatician and scientific writer with 5+ years experience | Expert in R & Cance...
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USD 60/hr
PhD
Germany

PhD in cancer research, Interest in single cell multi-omics and personalised medicine

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USD 60/hr
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Dr. Andrea C.

Bioinformatics & Software Engineering Consultant | RNA & Cancer Genomics | NGS Pipelines | Structural Biology &a...
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USD 50/hr
Master's degree
Italy

I provide advanced bioinformatics and software engineering solutions in RNA and protein structure modeling, cancer genomics, and next-generatio...

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USD 50/hr
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Md A.

AI & Full-Stack Developer | Generative AI, LangChain & LangGraph | IEEE Published Researcher
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USD 15/hr
Integrated BTech plus Mtech
India

I am a software developer and AI enthusiast with a strong interest in Generative AI, full-stack development, and intelligent systems. My experi...

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USD 15/hr
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Aondona I.

Medical AI & Deep Learning Consultant | Medical Image Segmentation & Reconstruction | 19+ Publications
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USD 75/hr
MSc
Nigeria

I am a medical AI and imaging researcher specializing in deep learning for medical image analysis, with 19+ peer-reviewed publications and firs...

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USD 75/hr
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Sumera S.

Artificial Intelligence (AI) & Computer Vision Researcher | Deep Learning, Machine Learning, VLMs & Python Exper...
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USD 60/hr
MS in Electrical Engineering
Pakistan

I am a Lecturer in Computer Science specializing in Artificial Intelligence, Computer Vision, and Deep Learning, with an academic background sp...

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USD 60/hr
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Dr. Keith K.

HEOR Consultant | Scientific/Medical Writer | Oncology, Immunology, Rheumatology | 60+ Peer-Reviewed Publication...
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USD 125/hr
Bioinformatics
United States

I'm a PhD-level medical affairs and scientific...communications expert with 13+ years translating complex clinical, epidemiologic, and real-world evidence into publication-ready...

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USD 125/hr
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Dr. Tanushree N.

Life Sciences Data Scientist | Big Data, Bayesian Modeling & Predictive Analytics (R/Python) | Bioinformatics
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USD 50/hr
PhD, Biochemistry
India

I'm a PhD Biochemist and computational biologist with 6+ years of post-doctoral experience turning complex, high-dimensional biological dat...

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USD 50/hr
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Dr. Kyle D.

Freelance Bioinformatician | Expert in Python & R
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USD 45/hr
Bachelor of Genetics (H1)
Australia

Final Year PhD Candidate and Bioinformatics Developer with expertise in Python, R, and high-performance computing (HPC) for large-scale biologi...

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USD 45/hr
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Dr. Alexsandro K.

PhD Physicist | Computational Materials, Materials Informatics, Machien Learning & Local AI model Solutions
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USD 45/hr
Doctoral
Brazil

PhD in Physics with strong expertise in computational materials science, molecular dynamics simulations, and high-performance computing (HPC). ...

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USD 45/hr
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Dr. Sara M.

Medical Doctor, 5+ Years in Applied AI & Data Science for Healthcare Challenges, Efficient in Python & R, decisi...
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USD 300/hr
PhD
United Kingdom

I am a Medical Doctor, Health Informatician, and AI researcher with over five years of experience applying artificial intelligence, data scienc...

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USD 300/hr
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Dr. Henryk S.

Entrepreneur, Engineer, Innovation Consultant for Industrial Companies (Future Products, Future Portfolio)
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Dr.-Ing.
Germany

Serial Entrepreneur, 100+ Industrial Projects in B2B (engineering + manufacturing companies), part-time University Lecturer (International MBA)

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Charles Gwellem A.

Freelance bioinformatician and computational biologist | Expert in scRNA-seq - Spatial - Transcriptomics - Multi-Omics
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USD 45/hr
M. Eng in Biomedical Engineering
Germany

I help research teams and biotech companies analyze and interpret complex single-cell, spatial transcriptomics, and multi-omics datasets, deliv...

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USD 45/hr
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Dr. Pelisa N.

.......Skilled researcher with over 10 years of experience in both qualitative and quantitative research methods. Offer.
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USD 300/hr
MA Health Demography
South Africa

Pelisa Nongena is a Quantitative Researcher, currently serving as a Data Scientist at the Department of Molecular Medicine and Heamatology Depa...

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USD 300/hr
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Md. Emon P.

Freelance Biostatistician & Statistical Consultant | Expert in R, Stata, SPSS & Python
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USD 15/hr
Bachelor of Science
Bangladesh

I am a Biostatistician and Statistical Consultant with a strong academic background in statistics and practical experience supporting public he...

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USD 15/hr
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Ann-Joelle M.

PhD, Chemical Process Systems Engineer | Process Simulation, Life Cycle Assessment, TEA & Sustainable Process Assess...
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USD 30/hr
MSc.
Germany

I am a chemical and process systems engineer specialising in the environmental and techno-economic assessment of emerging chemical, recycling, ...

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USD 30/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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