15,000+ Scientists & Academics
3,000+ Scientific disciplines
7,000+ Projects posted
Trusted by 2,500+ businesses

Top Freelance SQL Experts for Hire

Dr. Andrei Rares

Machine Learning and Computer Vision Freelancer
Request a Service
★★★★★
☆☆☆☆☆
USD 100/hr
Doctor of Philosophy (Ph.D.)
Netherlands

Here is an X-ray of my CV. Skills: * Machine Learning (7+ years, top international banks / online merchants) * Image/Video Processing (12+ yea...

★★★★★
☆☆☆☆☆
USD 100/hr
Request a Service

Dr. Sunil Patil

Experienced data scientist with expertise in forecasting and predictive modelling
Request a Service
★★★★★
☆☆☆☆☆
USD 90/hr
PhD
United Kingdom

I have been working as a freelancer since past three of years. Overall, I have about 10 years of post-PhD experience in demand forecasting and ...

★★★★★
☆☆☆☆☆
USD 90/hr
Request a Service

Soumya Boral

Experienced Data Scientist with a demonstrated history of working in data science domain. Skilled in R, Python (Programm...
Request a Service
★★★★★
☆☆☆☆☆
USD 10/hr
Msc. in Statistics
India

To introduce myself, this is Soumya, having Postgraduate in Statistics and have about 4 years of work experience in Statistics, Predictive Anal...

★★★★★
☆☆☆☆☆
USD 10/hr
Request a Service

Dr. Edoardo Lanari

I am a Postdoctoral Researcher in Mathematics, specialised in higher structural approaches to Maths in general
Request a Service
★★★★★
☆☆☆☆☆
USD 50/hr
Ph.D
Czech Republic

I obtained a PhD degree from Macquarie University (Sydney) in 2018 and I then moved to Prague where I am employed as a postdoctoral researcher....

★★★★★
☆☆☆☆☆
USD 50/hr
Request a Service

Dr. Lekshmi Nair

Data Scientist and Economist,Expert in Python ,R and Stata
Request a Service
★★★★★
☆☆☆☆☆
USD 50/hr
Data Science Professional Certificate
United States

IBM certified data scientist and PhD economist, with expertise in econometrics and statistics. 12 years experience and success in applying econ...

★★★★★
☆☆☆☆☆
USD 50/hr
Request a Service
Ph.D.
United States
Request a Service
★★★★★
☆☆☆☆☆

Quantitative analyst/data scientist with experience in fixed income, equity options, and machine learning. Experience with C#, C++ (managed and...

★★★★★
☆☆☆☆☆
Request a Service

Dr. Jakob Calvén

Data Scientist & Physicist | Expert in Python/Statistics/ML
Request a Service
★★★★★
☆☆☆☆☆
USD 75/hr
M.Sc.
United States

Extensive experience of time series and image data classification & regression tasks, remote-sensing, machine learning/deep learning, a...

★★★★★
☆☆☆☆☆
USD 75/hr
Request a Service

Dr. Luis Escriche Tur

Scientific analyst and writer with a Ph.D. in chemistry, specialised in drug discovery and drug development
Request a Service
★★★★★
☆☆☆☆☆
USD 35/hr
Doctoral degree PhD
Spain

Experienced scientific analyst and writer with a strong background in academic research. Currently working as Scientific Analyst for Clarivate...

★★★★★
☆☆☆☆☆
USD 35/hr
Request a Service

Dr. Sergey Mastitsky

Data Scientist with multiple years of experience across industries
Request a Service
★★★★★
☆☆☆☆☆
USD 100/hr
BSc
United Kingdom

I have solid Data Science skills developed over multiple years of work in academic and industrial R&D sectors. My colleagues have alway...

★★★★★
☆☆☆☆☆
USD 100/hr
Request a Service

Dr. Javier Quilez Oliete

Bioinformatician with +10 years of experience in data science applied to genomics.
Request a Service
★★★★★
☆☆☆☆☆
USD 75/hr
PhD in Animal Genetics
Spain

Bioinformatician with over 10 years of experience in data science: management and analysis of large-scale genomic datasets generated with SNP/m...

★★★★★
☆☆☆☆☆
USD 75/hr
Request a Service

Amelia Dian

A botanist with 2+ years of experience in scientific research. Achieved The Biosymposium seminar award (Science seminar)
Request a Service
★★★★★
☆☆☆☆☆
USD 15/hr
Bachelor of Science in Ecology and Biodiversity (Botany)
Malaysia

I have experience in scientific research (botany); Experience in plant anatomy, phylogenetic tree in plants, biological method in dilution, soi...

★★★★★
☆☆☆☆☆
USD 15/hr
Request a Service
Bachelor of Engineering (B.Eng.), Computer science
India
Request a Service
★★★★★
☆☆☆☆☆
USD 10/hr

I have an experience in Data science (using Python) field from past 1.5 years through Edx platform and have acquired good hands on the below sk...

★★★★★
☆☆☆☆☆
USD 10/hr
Request a Service

Susheel Shukla

Data Science | AI | ML | Statistics | Market Research
Request a Service
★★★★★
☆☆☆☆☆
USD 15/hr
PGPBM - Business Analytics
India

Susheel is working with Tracxn where he analyses startups, private companies, public enterprises across sectors like Retail, E-commerce, Logist...

★★★★★
☆☆☆☆☆
USD 15/hr
Request a Service

Henrique Mello

Theoretical Physicist | Data Scientist | Kaggle Kernels Expert
Request a Service
★★★★★
☆☆☆☆☆
USD 40/hr
Brazil

• Theoretical physicist with experience in quantitative analysis and mathematical thinking • Mentor and code reviewer at Udacity focusing on ma...

★★★★★
☆☆☆☆☆
USD 40/hr
Request a Service

Tanishka Singh

Data Scientist, Python Developer, Data Engineer, low key Content Writer, and a big time experimenter in the backyard
Request a Service
★★★★★
☆☆☆☆☆
USD 40/hr
Masters of Computer Science
United States

Github link : https://github.com/tanishkasingh9 Resume: https://github.com/tanishkasingh9/tanishkasingh9.github.io/blob/master/Tanishka_Singh.p...

★★★★★
☆☆☆☆☆
USD 40/hr
Request a Service

GAURAV SINGH

Experienced Data Scientist with a demonstrated history of working in data science domain. Skilled in R, Python.
Request a Service
★★★★★
☆☆☆☆☆
USD 10/hr
Bachelor
India

I am Gaurav Singh having a Graduate in CSE and have about 3 years of work experience in Statistics, Predictive Analytics, Data Science, Machin...

★★★★★
☆☆☆☆☆
USD 10/hr
Request a Service

Tatiana Guanangui

Software developer with 10+years of experience in web development (Php,Javascript,SQL), Python data and visual Analyst
Request a Service
★★★★★
☆☆☆☆☆
USD 30/hr
Master Certificate in Systems Design and Project Leadership (online)
Ecuador

Software developer specialized in Php, Javascript, Mysql; SQL expert and Database designer. Business Analyst. Effective communicator and team...

★★★★★
☆☆☆☆☆
USD 30/hr
Request a Service

Lakshmipathi N

Data Analyst | Machine learning with Python and R | Chatbot Developer | RASA | Dialogueflow
Request a Service
★★★★★
☆☆☆☆☆
USD 10/hr
Masters in Aerospace Engineering
India

I'm currently working as a Software Engineer at one of the companies in Bangalore. We are building chatbots for the customers in banking s...

★★★★★
☆☆☆☆☆
USD 10/hr
Request a Service

Brian Gallagher

Freelance Data and Financial Analyst for Small Businesses | Expert in SQL, R, Excel, SSRS | Licensed CPA
Request a Service
★★★★★
☆☆☆☆☆
USD 175/hr
Masters in Business Analytics
United States

As the VP of Finance and Operations of a small business, I am exposed to every angle of the business on a weekly basis. With my background in D...

★★★★★
☆☆☆☆☆
USD 175/hr
Request a Service

Shaurya Uppal

Data Scientist | Mentor | Problem Setter Expert | Expert in Python, SQL, EDA, TimeSeries and NLP
Request a Service
★★★★★
☆☆☆☆☆
USD 50/hr
B.Tech with Honors (CGPA 8.6)
India

Experience in working with two burgeoning startups of India 1mg (e-pharmacy) and epiFi (neo banking - fintech). I have worked on a recommendati...

★★★★★
☆☆☆☆☆
USD 50/hr
Request a Service

Marcin Bera

Data Science Manager
Request a Service
★★★★★
☆☆☆☆☆
USD 50/hr
Master
Poland

• Advanced analytics and data mining (predictive models, clustering and classification, statistical inference, industrialization and automation...

★★★★★
☆☆☆☆☆
USD 50/hr
Request a Service

Kieran Dawson

Associate at Ørsted Ventures
Request a Service
★★★★★
☆☆☆☆☆
USD 100/hr
Masters in Energy Technologies
United States

Industry Data Scientist with experience analyzing complex data-sets to generate meaningful insights. Do you have numbers that need crunching?...

★★★★★
☆☆☆☆☆
USD 100/hr
Request a Service
Request a Service
★★★★★
☆☆☆☆☆
USD 50/hr

I am an applied statistician/data scientist with a PhD from the University of Texas at Austin. I have been working on data analytics projects f...

★★★★★
☆☆☆☆☆
USD 50/hr
Request a Service

Dr. Macarena Beigier-Bompadre

Freelancer Data Scientist & Biologist - Statistics, Python, Machine Learning, Deep Learning
Request a Service
★★★★★
☆☆☆☆☆
USD 50/hr
Data Scientist
Germany

Biologist and Data Scientist in the Health and Biomedical sector. Very deep domain expertise in infectious diseases, diabetes, metabolism, nutr...

★★★★★
☆☆☆☆☆
USD 50/hr
Request a Service

Dr. Omar Stradella

Associate Scientific Director at Genzyme
Request a Service
★★★★★
☆☆☆☆☆
B.S. in Chemistry
United States

Ph. D. in Computational Chemistry. Many years of experience in applying Computational Chemistry and Cheminformatics to solve Drug Discovery pro...

★★★★★
☆☆☆☆☆
Request a Service

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. Sign NDAs 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 clause. You can also sign NDAs and custom agreements with freelancers for additional protection.

Post your project and receive quotes from relevant freelancers. You can also search for specific freelancers by expertise and invite them to your project. Discuss your project details with each freelancer before picking the one best expert.

We assure you of a 100% satisfaction guarantee, which means you only pay when you’re 100% satisfied with the work delivered. If you aren’t happy, we will refund 100% of your money.

You can choose to pay either a fixed or an hourly fee based on your scope of work. If you’re not sure how much your project costs, you can discuss with freelancers before arriving at a mutually agreed fee.

Kolabtree's terms and conditions prohibit freelancers from claiming ownership of intellectual property, and as a client, you are able to reinforce the message with additional communication, agreements or contracts.

Why Kolabtree

Contact experts directly

Speak directly with freelancers and explain your requirements.

100% satisfaction guaranteed

Pay only once work is delivered and you’re happy with it.

No upfront fees

No minimum commitment or contract required.

Flexible, secure payments

Pay a fixed or hourly fee. We hold your funds in escrow until you’re ready to pay.

How it works View full page
1

Post project (Free)

Post your project publicly for all freelancers to view and send you proposals, or interact with specific freelancers privately.

2

Choose the best expert

Get bids from relevant experts. Interact freely with them before making a hire.

3

Collaborate

Share files, make audio/video calls and collaborate with your chosen expert.

4

Complete project

Verify the project is complete to your satisfaction before paying the expert.