Bottom left hero backgroundTop right hero background

Best freelance Data Scientists in United States to hire in 2025

Looking to hire Data Scientists in United States for your next project? Browse the world’s best freelance Data Scientists in United States on Contra.

Trusted by 50K+ teams from creative agencies to high growth tech companies

Logo for Wix StudioLogo for RiveLogo for WebstudioLogo for GlorifyLogo for JitterLogo for FlutterFlowLogo for PeachWebLogo for CanvaLogo for Lottie FilesLogo for Workshop BuiltLogo for BuildshipLogo for AppsumoLogo for FramerLogo for BarrelLogo for BubbleLogo for LummiLogo for WebflowLogo for GrayscaleLogo for Stride UXLogo for InstantLogo for SplineLogo for KittlLogo for RelumeLogo for HeyGenLogo for Replo
Logo for Wix StudioLogo for RiveLogo for WebstudioLogo for GlorifyLogo for JitterLogo for FlutterFlowLogo for PeachWebLogo for CanvaLogo for Lottie FilesLogo for Workshop BuiltLogo for BuildshipLogo for AppsumoLogo for FramerLogo for BarrelLogo for BubbleLogo for LummiLogo for WebflowLogo for GrayscaleLogo for Stride UXLogo for InstantLogo for SplineLogo for KittlLogo for RelumeLogo for HeyGenLogo for Replo
FAQs

How can I clearly define the goals for my data project before hiring a data scientist?

First, think about what you want to learn from your data. Are you trying to find patterns, make predictions, or understand user behavior? Write down your main goals clearly, and share them with potential hires so everyone knows what success looks like.

What key skills should I look for when reviewing data scientist profiles on Contra?

Focus on skills such as data analysis, machine learning, and programming languages like Python and R. Check their experience with similar projects. Read through any reviews or testimonials to understand their past work quality.

How can I set up an effective onboarding process for a freelance data scientist?

Create a welcome guide that explains your project, your team, and any tools they might use. Share clear communication channels and schedules. This will help them get started smoothly and feel part of the team.

Is it important to check a freelancer's previous work related to U.S. industries?

Yes, it can be helpful. If your project is in a specific U.S. industry like healthcare or finance, look for experience in those areas. They might understand industry-specific regulations and trends better.

How do I ensure the data scientist understands the compliance laws in the United States?

Before starting, discuss which laws and regulations relate to your project. Confirm that the freelancer knows about data privacy laws like GDPR and CCPA. This ensures your project is legal and protects user data.

Why is it important to agree on project timelines with a data scientist?

Setting timelines helps keep the project on track. Agree on deadlines for each part of the project so everyone knows what to do and when. This prevents delays and helps maintain clear communication.

How can I make sure the freelancer knows my preferred communication style and schedule?

Clearly state how you prefer to communicate, whether through email, video calls, or chat. Share your work hours, especially if you are in different time zones. This ensures smooth and timely discussions.

What should I consider when discussing deliverables with a data scientist?

Be clear about what you expect at the end of the project, like reports, models, or dashboards. Discuss how you want the results presented to ensure they meet your needs. This makes it easier to evaluate the work.

How can I create a payment schedule that meets both my needs and the freelancer's?

Divide the project into stages and set payments for each completed stage. This approach motivates the freelancer and gives you a chance to assess their progress. It's a fair system that benefits both parties.

Why is it important to understand a freelancer's preferred tools and technologies before hiring?

Knowing their preferred tools ensures compatibility with your systems. It also shows their expertise level and how they approach tasks. This gives insight into their working process and how well they can adapt to your project needs.

Who is Contra for?

Contra is designed for both freelancers (referred to as "independents") and clients. Freelancers can showcase their work, connect with clients, and manage projects commission-free. Clients can discover and hire top freelance talent for their projects.

What is the vision of Contra?

Contra aims to revolutionize the world of work by providing an all-in-one platform that empowers freelancers and clients to connect and collaborate seamlessly, eliminating traditional barriers and commission fees.

Profile avatar
James Seykot
PRONew York, USA
$1k+
Earned
5x
Hired
5.0
Rating
3
Followers
TOP_INDEPENDENT

Top

Cover image for Find your next opportunity in AI/ML
Cover image for App Developed for World Data | Data Analysis and Visualization
Cover image for Copywriting so good it was Plagiarized
| Email Marketing
Cover image for Email Marketing | beehiiv Newsletter
Profile avatar
Drashti Patel
New Jersey, USA
2
Followers
Cover image for SQL Exploration of World Bank Loan Data
Cover image for Case Study Analysis: Exploring India's COVID-19 Journey
Cover image for Exploratory Visual Data Analysis: The Opioid Epidemic
Cover image for Analyzing Spotify and YouTube Songs Using Python & MySQL
Profile avatar
Aurelie Dussenne
PRONew York, USA
$25k+
Earned
5x
Hired
7
Followers
Cover image for Wendy's - Power BI Mobile App
Cover image for Custom Invoicing Solution with Microsoft Paginated Reports
Cover image for Transforming Complex Census Data into Actionable Insights
Placeholder project card media
View more →
Profile avatar
Solomon Bilancieri
Florida, USA
5.0
Rating
1
Followers
Cover image for VideoGame Tool - What to Train Next Determination Tool using API
Cover image for Microsoft PowerBI Dashboards/Reports
Cover image for Optimizing Sales Data with PowerBI
Placeholder project card media
View more →
Profile avatar
James Musser
PROPittsburgh, USA
$10k+
Earned
15x
Hired
5.0
Rating
1
Followers
Cover image for NextJS Stock Market Website | Full Stack Web Development
Cover image for Python Web Scraper | Automation, Backend
Cover image for Professional Musician Website | Full Stack Web Development
Cover image for JamesBot | Automation

People also hire

Explore projects by Data Scientists in United States on Contra

Cover image for Predictive Analytics: Gun Violence in Tristate Cities
0
18
Cover image for Case Study Analysis: Exploring India's COVID-19 Journey
1
34
Cover image for In obscuro astra nascuntur.
0
19
Cover image for Business Analytics (BI) implementation
0
5
Cover image for AI-Boosted Fish Discard Chute (Research Paper)
0
40
Cover image for Our 50-Step Process for up to 2500X OpenAI API Cost Reduction
0
23
Cover image for Weni deploying LLaMa-2 models for 50% cheaper and with 6X better
0
8
Cover image for Engineering Precision Lab Automation with Monomer Bio
0
3
Cover image for Medical Insurance Premium Prediction
0
16
Cover image for Austin Housing Analysis
0
3
Cover image for Covid-19 SQL Analysis
0
7
Cover image for News Authenticator NLP
0
0
Cover image for 3D Elevation Mapping from Satellite Imagery Using DNNs
0
3
Cover image for Case Study: Data Mining Goes to Hollywood
0
49
Cover image for Web App for Analysis of Genetic Data
0
29
Cover image for Leadership Analytics/AI - for ghSMART
0
0
Cover image for Sarcasm Text Analysis
0
0
Cover image for CEO Tweet Sentiment Analysis
0
1
Cover image for Clothing Image Analysis
0
0
Cover image for Activity Classification
0
18
Cover image for Social Media Reviews Sentiment Analysis Machine Learning Model
0
14
Cover image for crashlattice57/ML_Malicous_URL_Classification
0
3
Cover image for SaaS Social Media Quarterly KPI Dashboard Development
0
0
Cover image for Salesforce-Data-Analysis-Project
0
1
Cover image for Optimizing Sales Data with PowerBI
0
25
Cover image for Microsoft PowerBI Dashboards/Reports
0
30
Cover image for VideoGame Tool - What to Train Next Determination Tool using API
0
22
Cover image for Predictive Modeling
0
1
Cover image for Renewable Energy Data Analysis
0
3
Cover image for Analyzing Customer Energy Consumption Patterns
0
4
Cover image for Power Systems Optimization using Data Science
0
3
Cover image for Content, Image and Video Creation
0
6
Cover image for Odoo Sites Hosted Affordably on Google Cloud, AWS, DigitalOcean
0
16
Cover image for COVID-19 Vaccine and Mobility Analysis
0
1
Cover image for Glassdoor Company Web Scraping (Python)
0
2
Cover image for Customer Churn Prediction with Boosting Algorithms
0
5
Cover image for Card Sort Study
0
0
Cover image for Find your next opportunity in AI/ML
1
59
Cover image for AI-Powered E-Commerce Recommendation System
0
10
Cover image for Texas Health Data
0
7
Cover image for Advanced Statistical Analysis of Global Climate Behavior Change
0
1
Cover image for Data-Driven Insights from Post-Occupancy Evaluations (POEs)
0
1
Cover image for USAID - Instagram Sentiment AI Agent
0
3
Cover image for Data Analysis
0
1
Cover image for Data coaching or data consulting
0
1
Cover image for AI Credit Scoring System
0
0
Cover image for Custom PDF Processing with AI
0
1

Top services from Data Scientists in United States on Contra

Join 50k+ companies and 1M+ independents

Contra Logo

© 2025 Contra.Work Inc