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20 Best Data Scientist
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Looking to hire Data Scientist freelancers with the perfect set of skills for your next project? Work with the world's best freelancing talent on Contra.

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Christine Straub's avatar

Christine Straub

Irvine, CA, USA

Full-Stack Software Engineer

Mert Demir's avatar

Mert Demir

Rome, Metropolitan City of Rome, Italy

Data Scientist

Ademola Ibitayo's avatar

Ademola Ibitayo

United Kingdom

Delivering Digital Solutions with the Human Touch.

Matthew McAteer's avatar

Matthew McAteer

San Francisco, CA, USA

Expert in NLP, Computer Vision, and Bio

Jake Tallman's avatar

Jake Tallman

Salt Lake City, UT, USA

Data Scientist and ML Engineer

Recommended 3x
Danyal Ahmed's avatar

Danyal Ahmed

Germany

∞ Converting your ideas into digital products ✓

Divyesh Nakrani's avatar

Divyesh Nakrani

Surat, Gujarat, India

Experienced Data Scientist

Aidan Szwec's avatar

Aidan Szwec

Chicago, IL, USA

Python Data Science | Visualizations & ML

Deary Hudson's avatar

Deary Hudson

Houston, TX, USA

Experienced Python Backend Engineer

Rohit Aagre's avatar

Rohit Aagre

Mumbai, Maharashtra, India

Data Visualization Expert

Mia Kotalik's avatar

Mia Kotalik

Boston, MA, USA

Creative Tech Solutions for Your Brand

Muhammad  Hasnat 's avatar

Muhammad Hasnat

Islamabad Capital Territory, Pakistan

Math & Web Solutions Expert

Pavan  Kumar's avatar

Pavan Kumar

Anantapur, Andhra Pradesh, India

Data Analysis and Science Wizard

Eric Zeigler's avatar

Eric Zeigler

Bloomington, IN, USA

Creative Writer | Data Scientist

Tejas Shinde's avatar

Tejas Shinde

Mumbai, Maharashtra, India

Merging insights with storytelling

Christopher Wilhite's avatar

Christopher Wilhite

Cookeville, TN, USA

Data Analyst and Web Dev Pro

Pratishthit Choudhary's avatar

Pratishthit Choudhary

Austin, TX, USA

Data Scientist | Mobile Developer | Automation

Oussama Bastamy's avatar

Oussama Bastamy

Paris, France

Data Scientist: ML/DL, Scraping

Common projects for Data Scientists

Predictive Analytics: Predict future trends based on historical data.

Customer Segmentation: Analyze data to identify distinct groups of customers based on their behaviors and preferences.

A/B Testing Analysis: Analyze experimental data to determine the most effective approach.

Fraud Detection: Use advanced algorithms to detect potential fraudulent activity.

Supply Chain Optimization: Use data analysis to optimize supply chain processes.

Churn Prediction: Predict which customers are likely to churn in the near future.

Tips for working with and hiring Data Scientists

Clearly define your project

Before reaching out to a freelance data scientist, ensure you have a clear vision of what you want to achieve with your data. This includes the type of insights you're looking for, the decisions you hope to support with the data, and any specific analysis methodologies or tools you prefer.

Review their portfolio

Take the time to review the data scientist's portfolio to ensure their experience matches your needs. Look at their previous projects, noting the types of data they've worked with, the insights they've extracted, and the impact their work has had on the business.

Understand their technical skills

Ensure the freelance data scientist is proficient in the necessary software and tools, such as Python, R, SQL, and data visualization tools like Tableau or Power BI. Their ability to leverage these tools is crucial to the successful analysis of your data.

Communication is key

Good communication is vital for a successful freelance project. Ensure your data scientist is responsive and open to feedback and changes. Regular updates on the project's progress can help mitigate any issues that may arise. Use Contra's built-in communication tools to stay connected and collaborate effectively.

How to hire Data Scientists

Define your needs

Before starting the hiring process, have a clear understanding of what you need from a Data Scientist. This could include specific analyses, models, or insights you're looking for.

Post a detailed project

Posting a detailed project on Contra will attract the right freelancers. Include information about your company, the scope of the project, the data available, the skills required, and the project timeline.

Review applications

Review the applications you receive and shortlist freelancers based on their skills, experience, and fit for your project. Look at their past projects and reviews on their profile.

Conduct interviews

Conduct interviews with shortlisted freelancers. Ask questions about their experience, approach to data analysis, and how they handle various aspects of data science. Also, discuss your project specifics and expectations.

Make an offer

Once you've found the right freelancer, make an offer through Contra. This will include the project details, payment terms, and timeline.

3 questions to ask when interviewing Data Scientists

1. Can you describe a project where your analysis significantly impacted business decisions?

2. What tools do you use for data analysis and why do you prefer them?

3. How do you handle missing or inconsistent data in your analyses?

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Freelancers on Contra come across very professionally. They actually seem to read your job posting and have directly relevant skills, which isn’t always the case on most other freelancer sites. On Contra, freelancers who matched with my job seemed to have the relevant skills I was seeking.


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Frequently asked
questions

A Data Scientist is a professional who uses scientific methods, processes, algorithms, and systems to extract knowledge and insights from structured and unstructured data. They apply knowledge from statistics, data analysis, machine learning, and related methods to understand and draw conclusions from data.

A Data Scientist is a professional who uses scientific methods, processes, algorithms, and systems to extract knowledge and insights from structured and unstructured data. They apply knowledge from statistics, data analysis, machine learning, and related methods to understand and draw conclusions from data.

A freelance Data Scientist is a professional who offers their data analysis skills and knowledge on a contract basis. They work with clients to understand their data needs, clean and process data, build and validate predictive models, and interpret and communicate the results.

Hiring a Data Scientist on Contra gives you access to top freelance talent without the hassle of middlemen or commissions. You can review their portfolio, collaborate efficiently, and handle contracts and payments all in one place.

You can post a project detailing your data analysis needs on Contra. Data Scientists who match your requirements can then apply for the project. You can also browse through the profiles of Data Scientists and invite those you are interested in to apply.

Projects that require a Data Scientist's skills often include predictive modeling, customer segmentation, A/B testing, fraud detection, supply chain optimization, churn prediction, and any other projects requiring data analysis and interpretation.

The cost of hiring a Data Scientist on Contra can vary based on the complexity of the data analysis, the Data Scientist's experience and skills, and the project duration. However, on average, data science freelancers charge between $25 and $50 per hour.

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