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Data Science & Analytics

Hire a freelance data scientist

Kolabtree is the leading online marketplace for freelance data scientists. Post your project, get bids, and work with qualified experts to get your job done easily.

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Featured Freelance Data Scientists
Lee Baker - PhD Pharmacology and Toxicology - Subject Matter Expert from Kolabtree
Lee Baker
PhD, Artificial Intelligence (Computing)
University of Abertay Dundee
United Kingdom
John Harston - PhD - Neural Engineering - Subject Matter Expert from Kolabtree
John Harston
PhD, Neural Engineering
Imperial College London
United Kingdom | USD 50 per hour
Pia Kemper - PhD, Mathematics - Food Science and Technology - Subject Matter Expert from Kolabtree
Pia Kemper
PhD, Mathematics
Vrije Universiteit Amsterdam
The Netherlands | USD 76 per hour
Vijay Janakiraman - PhD, Mechanical Engineering - Dept of Neuroscience and Institute of Neurology - Subject Matter Expert from Kolabtree
Vijay Janakiraman
PhD, Mechanical Engineering
University of Michigan Ann Arbor
United States | USD 120 per hour
Richard Bradford - MBA Quantitative Analysis - Subject Matter Expert from Kolabtree
Richard Bradford
MBA, Quantitative Analysis
University of Missouri Kansas City
United States
Paul Blondel - PhD Robotic Vision - Subject Matter Expert from Kolabtree
Paul Blondel
PhD, Robotic Vision
UTC and UPJV, France
France | USD 99 per hour
Get a freelance data scientist to help you analyze your data and provide advanced insights that will help you take the right decision.
  • Choose from hundreds of freelance data science experts who can analyze and interpret complex data to arrive at actionable insights.
  • Get help from experts in R, SAS, Python, MATLAB, Tableau, etc., for quantitative analysis, statistical computing, data visualization and more.
  • Consult a big data expert who can help you uncover hidden patterns, discover correlations, and identify new opportunities.
  • Get the help of an artificial intelligence expert or a machine learning specialist for predictive modelling and enhanced business intelligence.
  • The scope of the service can be fully customized and tailored to your specific requirements.

Flexible, easy payments. 100% Satisfaction Guaranteed. Confidentiality assured.

Pay per project

Pay a fixed rate per project. Set up milestones to pay against for complex projects. Increase the budget and scope at any time.

Pay by the hour

Not sure how long your project will take? Pay an hourly rate, with the flexibility to increase the number of hours as you go along.

Pay when you're satisfied

Your money is held safely in escrow and the freelancer is paid only once you’re satisfied with the work done and ready to release funds.

Safe and secure

Our T&C include a default confidentiality clause. However, you can easily upload and sign custom agreements with freelancers.

  • 01
    Start your project
    Describe your project, and select the service you need.
  • 02
    Choose an expert
    You will receive proposals from experts. Choose an expert based on expertise, price, and other criteria.
  • 03
    Sign NDAs, set goals, and work closely with your chosen expert to get your desired output.
  • Job done!
    Verify the project is complete to your satisfaction and release the payment to the expert.
Success Stories

Analyze value of medical innovation

Robert Goldberg, the co-founder of CMPI, hired a data scientist to measure the value of medical innovations in specific disease areas.

Cost: USD 2400 | Time Taken: 6 Weeks

Predict sales volumes

An Amazon reseller hired a data scientist to help him predict the sales volumes of specific products over a period of time.

Cost: USD 1500 | Time Taken: 2 Days

Measure student engagement

The Dean of a community college hired a data analyst to determine effective student engagement practices.

Cost: USD 250 | Time Taken: 2 Weeks

Have a specific query? Get in touch, and we'll get back within a day.
Got complex data? Our experts can help. Hire a freelance data scientist for valuable insights that will drive your next big decision.

How to hire a data scientist

A data scientist is someone who can extract meaning from raw data. Data scientists analyze large and complex data to make sense of it and derive insights that will drive decisions.


Data scientists can write machine learning algorithms, build predictive models and help with statistical analyses. You may need to hire a data scientist for help with interpreting data. But what do you look for and how can you choose the best candidate for the job? Here are some tips for hiring top data scientists on Kolabtree.

Why hire a data scientist

Data scientists are among the highest-paid professionals in industries globally, making them unaffordable for small to medium sized businesses. While large organizations may have in-house teams of data scientists, smaller organizations need the help of a data science consultant who can provide services on demand.


You may also have a one-time need for a data scientist for specific projects, such as getting someone to optimize an algorithm or verify your research results. Hiring a freelance data scientist gives small businesses the flexibility and freedom to consult analytics experts, on demand.

How much does it cost to hire a data scientist?

Data science can be a lucrative field to be in. According to Glassdoor, in the US, the average salary of a data scientist is $117,345. In the UK, the salary of an experienced data scientists can be upwards of £60,000, sometimes even exceeding £100,000. On Kolabtree, freelance data scientists typically charge in the range of $35 to $200 per hour, and the typical rate of a fixed fee project is $2000. The cost varies per project — for example, analyzing a dataset might be less expensive than developing a predictive model for a business. Hiring a data scientist freelancer over a hiring someone full-time can help you save time, effort and costs of up to 50%.

How to write an effective job post to hire a data scientist

While hiring a data scientist on Kolabtree, it is essential to develop a job description that clearly defines the following:

  • Scope of work: The problem you’re trying to solve, the challenge you’re facing, and what outcome you expect
  • Duration of the project: How long you expect the engagement or contract to run for
  • By when you need to hire: If you’re looking for help to quickly review a dataset or conduct a statistical analyses, you may be able to hire in a couple of days. However, for tasks such as writing algorithms or building forecasting models, you may need to have a timeline of a week or more, so that you can negotiate with multiple experts and choose the best suited freelancer.
  • Budget: Indicate an estimated fee for the project. Kolabtree allows you to hire per project or per hour, so you can choose the fee that’s best suited for you.
Skills required

Make sure that the data scientist has sound education and work experience. Many data scientists have Masters degrees, if not PhDs. A data scientist may have studied computer science, mathematics or statistics. They could also be specialized in other scientific fields that involve data analysis, such as astronomy, physics or biotechnology. Data scientists also include machine learning consultants and artificial intelligence experts, who can help build recommendation engines, work with natural language processing, or build AI-powered devices. You may also need to list out the tools and software that you want the data scientist to experienced with such as Python, R, SQL, Keras, TensorFlow, and more. Kolabtree allows you to choose freelance data scientists specialized in specific subjects. You can hire experts in:

StataSPSSSASmedical statisticsepidemiologybiostatisticseducational statisticsdata analysisdata analysisprobability & statisticshealth data analysisclinical trialsdata visualizationresearch methodology



Ready to hire a data scientist? Post your project on Kolabtree and get quotes from freelance data scientists for free.