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

Senior Python Engineer with Security Clearance

Quantico, VA ยท On-site

$131K - $176K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

PRISM is seeking a Senior Python Engineer. This position is onsite 5 days a week in Quantico, VA KEY RESPONSIBILITIES: * Development and Maintenance: * Develop, test, and maintain Python applications ...

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 ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

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 ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

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 ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

Senior Python Engineer

Arlington, VA ยท On-site

$118 - $163/hr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

Overview As a Senior Consultant at Excella, you will play a key role in delivering high-quality ... Experience with DevOps tools like Jenkins, GitLab CI/CD, or AWS Lambda. * Familiarity with GenAI ...

Python Developer (Mid-Senior)

Chantilly, VA ยท On-site

$150K - $175K/yr

Python Developer (Mid-Senior) Chantilly, VA 20151 JTEC Consulting LLC focuses on successfully delivering solutions to meet our clients' most critical needs. Our founding members have decades of ...

Showing results 41-60

Senior Python Developer information

See Annandale, VA salary details

$54.7K

$141.2K

$194K

How much do senior python developer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for senior python developer in Annandale, VA is $141,216.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,800.00 and $162,600.00 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 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 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.

Are senior Python developers still in demand?

Senior Python developers remain in high demand due to the language's versatility in web development, data analysis, machine learning, and automation. Companies seek experienced developers with skills in frameworks like Django or Flask, and proficiency in cloud platforms and APIs enhances job prospects.

How much does a senior Python developer make?

A senior Python developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may hold certifications or advanced degrees that influence salary levels.

What does a senior Python developer do?

A senior Python developer designs, develops, and maintains complex software applications using Python. They often lead projects, review code, optimize performance, and collaborate with cross-functional teams, requiring strong problem-solving skills and knowledge of frameworks like Django or Flask. Additionally, they may mentor junior developers and ensure code quality through testing and best practices.

What are the most commonly searched types of Python Developer jobs in Annandale, VA?

The most popular types of Python Developer jobs in Annandale, VA are:

What are popular job titles related to Senior Python Developer jobs in Annandale, VA?

For Senior Python Developer jobs in Annandale, VA, the most frequently searched job titles are:

What job categories do people searching Senior Python Developer jobs in Annandale, VA look for?

The top searched job categories for Senior Python Developer jobs in Annandale, VA are:

What cities near Annandale, VA are hiring for Senior Python Developer jobs?

Cities near Annandale, VA with the most Senior Python Developer job openings:

Infographic showing various Senior Python Developer job openings in Annandale, VA as of June 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $141,216 per year, or $67.9 per hour.

Senior Python Engineer with Security Clearance

Prism, Inc.

Quantico, VA โ€ข On-site

$131K - $176K/yr

Other

Medical, Dental, Vision, Retirement

Re-posted 4 days ago


Job description

ABOUT PRISM PRISM is devoted to modernization and innovation across technology, security, and IT enterprise solutions. We are recognized for meeting performance requirements and exceeding customer expectations since 1994. Our culture is founded on relationships, opportunity, and success. Offering comprehensive benefit plans including medical, dental, vision, and 401K along with our people - first approach sustains our reputation as a premier employer. PRISM is seeking a Senior Python Engineer. This position is onsite 5 days a week in Quantico, VA KEY RESPONSIBILITIES: * Development and Maintenance: * Develop, test, and maintain Python applications and services for the Gatekeeper system. * Write clean, efficient, and maintainable code that aligns with project specifications and industry best practices. * Implement new features and functionalities based on requirements and feedback from stakeholders. * Security and Compliance: * Ensure that all Python code and applications adhere to security best practices and compliance requirements. * Conduct code reviews and participate in security audits to identify and mitigate potential security vulnerabilities. * Assist in the development and enforcement of security policies and procedures related to the Gatekeeper system. * Collaboration: * Work closely with other developers, cybersecurity experts, and project managers to deliver high-quality solutions. * Participate in design and architecture discussions, contributing ideas and solutions to improve system performance and security. * Provide technical support and mentorship to junior engineers as needed. * Testing and Debugging: * Develop and maintain unit tests and integration tests to ensure code quality and system reliability. * Debug and resolve issues in a timely manner, ensuring minimal disruption to operations. * Use automated testing frameworks to streamline the testing process and maintain continuous integration pipelines. * Documentation: * Create and maintain comprehensive documentation for code, APIs, and system architecture. * Document development processes, protocols, and procedures for future reference and onboarding purposes. * Ensure documentation is clear, accurate, and up-to-date. * Continuous Improvement: * Stay updated on the latest Python developments, tools, and best practices. * Proactively seek opportunities to improve the Gatekeeper system's performance, security, and user experience. * Participate in agile development processes, including sprint planning, stand-ups, and retrospectives. REQUIRED QUALIFICATIONS (SKILLS/EDUCATION): * Bachelor's degree in Computer Science, Software Engineering, or a related field. Equivalent work experience may be considered. * Active Top Secret clearance with SCI eligibility * IAT-II Certification (i.e., Security +) * 3-5 years of hands-on experience in Python development, with a focus on security-related projects. * Strong proficiency in Python programming and familiarity with its ecosystems. * Experience with web frameworks such as Django or Flask. * Familiarity with API development and integration. * Knowledge of security best practices, including secure coding, encryption, and authentication. * Experience with version control systems, particularly Git. * Understanding of database technologies and ORM (Object Relational Mapping). PREFERRED QUALIFICATIONS: Relevant certifications in Python, cybersecurity, or software development are a plus. REQUIRED SECURITY CLEARANCE: Active TS/SCI PRISM is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.