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Senior Python Developer Jobs in McLean, VA (NOW HIRING)

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Master's degree in Computer Science, Software Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other popular Python libraries * Java * Testing frameworks such as ...

Leidos

Senior Python Developer

Columbia, MD

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Navtech, Inc.

Senior Python Developer

Mclean, VA · On-site

$123K - $166K/yr

... Python Developer Experience with Python frameworks e.g., Django, Flask. • Good experience on writing the test cases, Unit Testing, and automation test by using PYTEST Understanding of databases and ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Reston, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Burke, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Detailed Python Full Stack Developer Location: (Fully Onsite), Mclean, VA 22102 Duration: 6 months + Extensions Responsibilities: * Refactor and modernize existing components of an ETL application to ...

Leidos

Senior Python Developer

Herndon, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Springfield, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Manassas, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Amiseq Inc.

Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

We are seeking an experienced Senior Python Developer to join our team. The ideal candidate will have a strong background in Python development, PostgreSQL, Flask or FastAPI, and data transformation ...

Noblis

Senior Python Developer

Chantilly, VA · On-site

$124K - $167K/yr

The developer will function as a full-stack engineer building and extending Python-based front-end and back-end capabilities that process diverse data formats encountered during forensic ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Sterling, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

3B Staffing LLC

Sr. Python Developer

Reston, VA · On-site

$126K - $170K/yr

Advanced expertise in Python and other modern programming languages to address business needs. * Expertise in designing, developing, deploying, and managing applications on EKS. * Handson experience ...

Posted today

Leidos

Senior Python Developer

Falls Church, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

3B Staffing LLC

Sr. Python Developer

Reston, VA · On-site

$126K - $170K/yr

Advanced expertise in Python and other modern programming languages to address business needs. * Expertise in designing, developing, deploying, and managing applications on EKS. * Handson experience ...

Posted today

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in McLean, VA

Senior Python Developer information

See McLean, VA salary details

$55.7K

$143.9K

$197.6K

How much do senior python developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for senior python developer in McLean, VA is $143,873.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,100.00 and $165,700.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a senior Python developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

How much does a senior Python developer make?

A senior Python developer's salary typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may have certifications or experience with cloud platforms, which can influence compensation.

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

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by senior Python developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.
What are the most commonly searched types of Python Developer jobs in McLean, VA? The most popular types of Python Developer jobs in McLean, VA are:
What are popular job titles related to Senior Python Developer jobs in McLean, VA? For Senior Python Developer jobs in McLean, VA, the most frequently searched job titles are:
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What cities near McLean, VA are hiring for Senior Python Developer jobs? Cities near McLean, VA with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in McLean, VA as of August 2026, with employment types broken down into 2% Internship, 86% Full Time, 5% Part Time, and 7% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $143,873 per year, or $69.2 per hour.

Sr. Python Developer

Palnar

Mclean, VA • On-site

$123K - $166K/yr

Full-time

Re-posted 10 days ago

Job description

Role and responsibility:
  • Interact with finance team and business side to collect the requirements
  • Design, develop and support software solution for the given requirements within the financial modeling and research area
  • Ensure new code and existing code updates meet standard technology development practices
  • Work with finance team and other developers to facilitate the reconciliation
  • Help customers to understand the result and to properly use the application
  • Assist in the operational execution of software solutions to assist with the monitoring and control of market and credit risks.

Educational Qualifications:
  • Master's degree in Computer Science, Software Engineering or related technical field

Demonstrated knowledge of:
  • Python, Pandas and other popular Python libraries
  • Java
  • Testing frameworks such as pytest, junit
  • SQL
  • Linux, Docker
  • CI/CD Processes, git
  • Familiar with using IDEs such as intelliJ (for java and/or python)
  • Excel
  • Quantitative Finance (Optional)

Apply