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Senior Python Data Analysis Jobs in Leesburg, VA

Python Developer

West Mclean, VA ยท On-site

$65 - $70/hr

Senior Python Developer Location: Full-time on-site in McLean, VA Position: C2H Green Card or USC ... Design, build, and maintain scalable Python applications for data processing and analytics.

Senior Data Scientist

Kearneysville, WV ยท On-site

$133K - $169K/yr

GovCIO is seeking a Senior Data Scientist to support a critical government computer system for the ... g., AWS Certified Data Analytics, Azure Data Scientist Associate, or Python/Data Science ...

Senior Python Developer

Chantilly, VA ยท On-site

$124K - $167K/yr

... analysis workflows * Create new processing capabilities for data formats encountered during ... Solid experience with Python development. * Ability to rapidly prototype and deliver functional ...

Senior Python Developer

Chantilly, VA ยท On-site

$124K - $167K/yr

... analysis workflows * Create new processing capabilities for data formats encountered during ... Solid experience with Python development. * Ability to rapidly prototype and deliver functional ...

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Python Developer

Reston, VA ยท On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Python Developer

Chantilly, VA ยท On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Python Developer

Aldie, VA ยท On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Python Developer

Chantilly, VA ยท On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Python Developer

Herndon, VA ยท On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Python Developer

Chantilly, VA ยท On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Python Developer

Sterling, VA ยท On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Senior Spark & Python Developer

Mclean, VA ยท On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Critical and analytical approach to solving technical problems * Excellent interpersonal skills and ...

Senior Spark & Python Developer

Mclean, VA ยท On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Critical and analytical approach to solving technical problems * Excellent interpersonal skills and ...

Senior Spark & Python Developer

Mclean, VA ยท On-site

$122K - $165K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Critical and analytical approach to solving technical problems * Excellent interpersonal skills and ...

Senior Manager, Data Analysis At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit ...

Senior Manager, Data Analysis At Capital One, data is at the center of everything we do. When we launched as a startup we disrupted the credit card industry by individually personalizing every credit ...

Demonstrated ability querying and analyzing data using SQL, Python, Bitquery (preferred), and large-scale data extraction techniques. * Experience utilizing analytical and visualization tools to ...

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Showing results 1-20

Senior Python Data Analysis information

See Leesburg, VA salary details

$55.6K

$143.6K

$197.2K

How much do senior python data analysis jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior python data analysis in Leesburg, VA is $143,605.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,900.00 and $165,400.00 per year, depending on experience, location, and employer.

What is a senior Python data analyst?

A Senior Python Data Analyst is an experienced professional who uses Python programming to collect, process, and analyze large sets of data. They are responsible for extracting meaningful insights from data to support business decisions, often using libraries like pandas, NumPy, and matplotlib. In addition to technical skills, they also apply statistical analysis and data visualization techniques, and frequently mentor junior analysts or collaborate with data scientists and engineers. Their role may also involve developing automated data pipelines and ensuring data quality across projects.

What are the key skills and qualifications needed to thrive as a senior Python data analyst?

To thrive as a Senior Python Data Analyst, you need an in-depth understanding of data analysis, statistical modeling, and advanced Python programming, typically supported by a degree in a quantitative field. Proficiency with data analysis libraries (like pandas, NumPy, and SciPy), visualization tools (such as Matplotlib and Seaborn), and experience with SQL databases are essential, and certifications like Microsoft Certified: Data Analyst Associate can be beneficial. Strong problem-solving abilities, effective communication, and the capacity to distill complex data insights for stakeholders are critical soft skills. These competencies enable you to extract actionable insights from large datasets, drive data-informed decision-making, and collaborate effectively across teams.

What are some common challenges senior Python data analysts face when working with large datasets, and how can they overcome them?

Senior Python Data Analysts often encounter difficulties such as slow processing speeds, memory limitations, and data quality issues when handling large datasets. To overcome these challenges, it's essential to leverage efficient libraries like pandas and Dask, utilize optimized data formats (such as Parquet), and implement batch processing or cloud-based solutions. Collaborating closely with data engineers and IT teams also helps ensure robust data pipelines and infrastructure. Regular code optimization and staying updated on best practices can further enhance performance when working at scale.

What is the difference between Senior Python Data Analysis vs Data Scientist?

AspectSenior Python Data AnalysisData Scientist
Required SkillsPython, SQL, data visualization, statistical analysisPython, R, machine learning, statistical modeling
Work EnvironmentData analysis teams, business unitsResearch, product development, analytics teams
Industry UsageBusiness intelligence, finance, marketingTech, healthcare, finance, research
CertificationsPython certifications, data analysis coursesData science certifications, machine learning courses

While both roles involve Python and data handling, Senior Python Data Analysts focus on interpreting data and creating reports for business decisions, whereas Data Scientists develop predictive models and advanced algorithms to extract deeper insights. The roles often overlap, but Data Scientists typically require broader skills in machine learning and statistical modeling.

What are popular job titles related to Senior Python Data Analysis jobs in Leesburg, VA?

For Senior Python Data Analysis jobs in Leesburg, VA, the most frequently searched job titles are:

What job categories do people searching Senior Python Data Analysis jobs in Leesburg, VA look for?

The top searched job categories for Senior Python Data Analysis jobs in Leesburg, VA are:

Infographic showing various Senior Python Data Analysis job openings in Leesburg, VA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 14% Part Time, and 2% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $143,605 per year, or $69 per hour.

Senior Software Developer (Python - Backend)

DRC Systems

Mclean, VA โ€ข On-site

$50 - $60/hr

Contractor

Re-posted 15 days ago


Job description

 
Title: Senior Python Developer (Python – Backend)
Location: McLean, VA (5 days - Onsite)
 
Must Have Qualifications: 7+ years of backend development- Python required. Strong database skills-SQL Server or DB2, data extraction using Snowflake, and solid data analysis experience.
 
Basic Requirements:
·         7+ years of Python and microservices experience is a must.
·         5+ years of hands-on experience with SQL, including complex query analysis and optimization.
·         1 – 3 years of experience in integrating with Snowflake APIs and/or GraphQL for data extraction and manipulation.
·         7-10 years of IT experience in design, development, integration and testing of software solutions based on Python, REST/SOAP Webservices, and web development.
·         7-10 years of experience with relational databases including Sybase, SQL Server, and MySQL. Good knowledge and experience with database technologies such as SQL and NoSQL
·         Demonstrated ability to analyze and join large datasets across multiple sources.
·         Proficient in integrating with Snowflake APIs and/or GraphQL for data extraction and manipulation.
·         3-5 years of experience with managing, building, and deploying code through tools including Jira, Eclipse, GIT, Bitbucket, Gradle, Docker, and Jenkins.
·         3-5 years of experience designing and executing unit tests using python testing framework based on business requirements and functional specifications. 
·         Experience with popular Python frameworks such as Django, and FAST API.
·         In-depth understanding of the Python software development stacks, ecosystems, frameworks and tools such as Numpy, Scipy, Pandas, Dask, spaCy, NLTK, sci-kit-learn.
·         Bachelor’s degree in computer science or related field.