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Hourly Python Data Science Jobs in Virginia (NOW HIRING)

NALLEY CONSULTING

Data Scientist - Sr

Reston, VA · On-site

... Science, Mathematics, or relevant field and 5+ years relevant experience • 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data • ...

NALLEY CONSULTING

Data Scientist - Mid

Reston, VA · On-site

... Science, Mathematics, or relevant field • 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data • Demonstrated ability to work ...

Nalley Consulting

Data Scientist - Mid

Reston, VA · On-site

Requirements: * 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data * Bachelor's degree in Computer Science, Mathematics, or relevant ...

Nalley Consulting

Data Scientist - Mid

Reston, VA · On-site

Requirements: * 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data * Bachelor's degree in Computer Science, Mathematics, or relevant ...

Nalley Consulting

Data Scientist - Sr

Reston, VA · On-site

Requirements: * 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data * Bachelor's degree in Computer Science, Mathematics, or relevant ...

Nalley Consulting

Data Scientist - Sr

Reston, VA · On-site

Requirements: * 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data * Bachelor's degree in Computer Science, Mathematics, or relevant ...

Palnar

Sr. Python Data Engineer

Mclean, VA · On-site

Python, Java, Spark, SQL, Databricks, RESTful APIs, AWS Glue, ECS S3 The role is to continue to ... take the models built by our data science team and make them production ready and scalable.

Spatial Front, Inc

Data Scientist

Arlington, VA · On-site

... Science, or related field; Master's preferred. • 3 years of data analysis, 1 year of machine learning. • Demonstrated expertise in: statistical analysis, machine learning, Python, data ...

Booz Allen Hamilton, Inc.

Data Scientist

Mclean, VA · On-site

$99K - $225K/yr

Experience with Python data science and visualization packages Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to ...

Booz Allen Hamilton, Inc.

Data Scientist

Mclean, VA · On-site

$99K - $225K/yr

Experience with Python data science and visualization packages Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to ...

Booz Allen Hamilton, Inc.

Data Scientist

Mclean, VA · On-site

$99K - $225K/yr

Experience with Python data science and visualization packages Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to ...

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Hourly Python Data Science information

What are the key skills and qualifications needed to thrive as an Hourly Python Data Science professional, and why are they important?

To thrive as an Hourly Python Data Science professional, you need a solid understanding of statistics, data analysis, and programming in Python, often supported by a degree in a quantitative field or equivalent experience. Familiarity with tools like Pandas, NumPy, scikit-learn, and data visualization libraries, as well as experience with version control systems like Git, is typically required. Strong problem-solving abilities, effective communication, and adaptability help you deliver insights and solutions to clients efficiently. These skills ensure accurate analysis, clear reporting, and the ability to meet diverse project needs in a flexible, project-based environment.

What are some common challenges faced by hourly Python Data Science professionals, and how can they be addressed?

Hourly Python Data Science professionals often encounter challenges such as managing multiple clients with varying expectations, adapting quickly to different data environments, and handling inconsistent workloads. To address these, it's important to establish clear communication with clients about project scope and deadlines, maintain well-organized code and documentation for easy context switching, and utilize tools like version control and virtual environments. Building a strong personal workflow and prioritizing time management can help ensure high-quality deliverables across diverse projects.

What are Hourly Python Data Science jobs?

Hourly Python Data Science jobs are roles where professionals use Python programming to analyze, interpret, and visualize data, and are paid based on the number of hours they work. These positions often involve tasks such as data cleaning, statistical analysis, machine learning, and data visualization. Hourly data science jobs offer flexibility for both employers and workers, making them popular for freelance, contract, or part-time arrangements. Python's robust libraries and tools make it a preferred language for these roles.

What is the difference between Hourly Python Data Science vs Data Analyst?

AspectHourly Python Data ScienceData Analyst
Required SkillsPython, statistical analysis, machine learningExcel, SQL, data visualization
Work EnvironmentTech companies, startups, research labsBusiness, marketing, finance sectors
Common CertificationsPython certifications, data science coursesExcel, Tableau, SQL certifications

Hourly Python Data Science roles focus on advanced analytics, machine learning, and programming with Python, often in tech-driven environments. Data Analysts typically handle data cleaning, visualization, and reporting using tools like Excel and SQL. While both roles require data handling skills, Python Data Science positions demand programming expertise and statistical knowledge, making them more technical and specialized.

What are the most commonly searched types of Python Data Science jobs in Virginia? The most popular types of Python Data Science jobs in Virginia are:
What are popular job titles related to Hourly Python Data Science jobs in Virginia? For Hourly Python Data Science jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Hourly Python Data Science jobs in Virginia look for? The top searched job categories for Hourly Python Data Science jobs in Virginia are:
What cities in Virginia are hiring for Hourly Python Data Science jobs? Cities in Virginia with the most Hourly Python Data Science job openings:
Hourly Python Data Science jobs near you
Infographic showing various Hourly Python Data Science job openings in Virginia as of May 2026, with employment types broken down into 2% As Needed, 83% Full Time, 11% Part Time, and 4% Contract. Highlights an 70% Physical, 14% Hybrid, and 16% Remote job distribution.

Data Scientist - Sr

NALLEY CONSULTING

Reston, VA • On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job Summary:
Nalley Consulting is a Service Disabled Veteran Owned Small Business focused on staffing Department of Defense and Intelligence Community positions. They are seeking an experienced Data Scientist to support research and development efforts for functional characterization of WMD facilities, providing data science, machine learning, and artificial intelligence support while conducting data engineering tasks.
Responsibilities:
• Provide data science, machine learning, and artificial intelligence support.
• Conduct data engineering tasks to integrate multiple APIs, and support process automation, data visualization, and application integration.
• Develop tools to automate data analysis of large data sets.
Qualifications:
Required:
• TS/SCI clearance with willingness to take CI poly
• At least 8 years of experience
• Bachelor's degree in Computer Science, Mathematics, or relevant field and 5+ years relevant experience
• 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data
• Demonstrated ability to work effectively within or lead a team of peers, as well as excellent interpersonal and communications skills
• Ability to communicate highly technical analyses at a level comprehensible to laymen and senior-level government representatives
• Ability to clearly express in writing technical analysis results
• Combining multiple data sources into GUI (graphic user interface) and visual and geographical displays
• Python and Tableau experience
• Experience with data exploration, data cleaning, data analysis, data visualization, or data mining
• Experience with analyzing structured and unstructured data sources
• Experience with statistical and general-purpose programming languages for data analysis
• Experience with developing predictive data models, quantitative analyses, and visualization of target data sources
• Experience with leading the development of solutions to complex problems
• Experience with natural language processing, text mining, or machine learning techniques
• Experience implementing automation in processing, presenting, or manipulating data
Preferred:
• Demonstrated ability writing ICD 203 and ICD 206-compliant finished intelligence production
• 15 years of experience in solving DoD data science problems
• Experience in the development of algorithms leveraging Python and SQL
• Experience with developing solutions incorporating Large Language Models
• Experience with Python data science and visualization packages
• Experience with Excel MBA
• Experience with AC2SP, R, GitHub, and Palantir
• An active CI polygraph
Company:
Nalley Consulting provides consulting services to federal and state government agencies, specializing in intelligence consulting. Founded in 2013, the company is headquartered in Leesburg, USA, with a team of 11-50 employees. The company is currently Early Stage.

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