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Senior Python Software Engineer Jobs in Washington, DC

MANTECH

Senior Python Developer

Herndon, VA

$124K - $168K/yr

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ... Research software concepts, develop, and demo proof-of-concepts. * Collaborate with team members to ...

MANTECH

Senior Python Developer

Herndon, VA

$124K - $168K/yr

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ... Research software concepts, develop, and demo proof-of-concepts. * Collaborate with team members to ...

MANTECH

Senior Python Developer

Herndon, VA · On-site

$124K - $168K/yr

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ... Research software concepts, develop, and demo proof-of-concepts. * Collaborate with team members to ...

MANTECH

Senior Python Developer

Herndon, VA · On-site

$124K - $168K/yr

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ... Research software concepts, develop, and demo proof-of-concepts. * Collaborate with team members to ...

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Java experience is nice to have Senior Python Developer Required Experience & Education * 7 -10 years of professional software development experience. * Bachelor's degree in computer science or a ...

Pull Skill Technologies

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Role: Senior Python Developer Location: McLean VA pre-submit tech screen + interview in person ... Indepth understanding of the Python software development stacks, ecosystems, frameworks and tools ...

New

MANTECH

Python Software Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

MANTECH

Python Software Developer

Herndon, VA

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

SAIC

Senior Python Engineer

Quantico, VA · On-site

$160K - $200K/yr

Qualifications It is required that the Senior Python Engineer have the following qualifications: • Bachelor's degree in Computer Science, Software Engineering, or a related field. • Nine (9) or ...

MANTECH

Python Software Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

MANTECH

Python Software Developer

Herndon, VA

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

MANTECH

Python Software Developer

Herndon, VA

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

MANTECH

Python Software Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

MANTECH

Python Software Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

MANTECH

Python Software Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

MANTECH seeks a driven and mission-focused Python Software Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the ...

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All JobsPython Software Engineer JobsSenior Python Software Engineer JobsSenior Python Software Engineer Jobs in Washington, DC

Senior Python Software Engineer information

See Washington, DC salary details

$62.3K

$160.8K

$220.9K

How much do senior python software engineer jobs pay per year?

As of Jul 8, 2026, the average yearly pay for senior python software engineer in Washington, DC is $160,801.00, according to ZipRecruiter salary data. Most workers in this role earn between $137,600.00 and $185,200.00 per year, depending on experience, location, and employer.

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

AspectSenior Python Software EngineerPython Developer
Required CredentialsBachelor's degree in CS or related field, experience in software engineeringBachelor's degree in CS or related field, coding proficiency
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing applications, debugging
Employer & Industry UsageTech companies, startups, enterprise softwareWeb development, data analysis, automation projects
Common Search & Comparison IntentUnderstanding senior-level roles, responsibilities, and skillsEntry to mid-level coding roles, project involvement

The main difference between a Senior Python Software Engineer and a Python Developer lies in experience, responsibilities, and scope. Senior engineers typically lead projects, design system architecture, and mentor junior staff, while Python Developers focus on coding, application development, and implementation. Both roles require strong Python skills and relevant credentials, but senior roles demand more experience and leadership capabilities.

What are some common challenges faced by Senior Python Software Engineers when leading complex projects, and how can they be addressed?

Senior Python Software Engineers often face challenges such as balancing hands-on coding with mentoring junior team members, managing technical debt, and designing scalable solutions. Successfully addressing these challenges involves clear communication, proactive code reviews, and effective prioritization of tasks. Collaborating closely with cross-functional teams and fostering a culture of knowledge sharing can also help ensure project success and team growth.

What are the key skills and qualifications needed to thrive as a Senior Python Software Engineer, and why are they important?

To thrive as a Senior Python Software Engineer, you need advanced proficiency in Python programming, strong problem-solving abilities, and a solid background in computer science or a related field. Familiarity with frameworks like Django or Flask, experience with version control systems such as Git, and knowledge of cloud platforms and CI/CD tools are typically required. Leadership, effective communication, and mentorship skills help you collaborate with teams and guide junior developers. These skills ensure the delivery of robust, scalable software solutions and foster a productive, innovative development environment.

What does a Senior Python Software Engineer do?

A Senior Python Software Engineer designs, develops, tests, and maintains complex software applications using the Python programming language. They often lead or mentor junior developers, architect software solutions, and ensure best coding practices are followed. These professionals collaborate with cross-functional teams to deliver scalable and efficient systems, troubleshoot issues, and optimize application performance. Their expertise includes advanced knowledge of Python frameworks, libraries, and development tools, as well as experience with databases, APIs, and cloud services.
What are popular job titles related to Senior Python Software Engineer jobs in Washington, DC? For Senior Python Software Engineer jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Senior Python Software Engineer jobs in Washington, DC look for? The top searched job categories for Senior Python Software Engineer jobs in Washington, DC are:
Senior Python Software Engineer jobs near you
Senior Python Developer

Senior Python Developer

MANTECH

Herndon, VA

$124K - $168K/yr

Full-time

Posted 15 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

27th of 204 rated software companies

Job description

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role.

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA. In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers the chance to grow your expertise alongside talented Software Developers, Data Engineers, and System Engineers while pioneering solutions that make a national impact.

Responsibilities include, but are not limited to:

  • Understand requirements and design and develop software components.
  • Research software concepts, develop, and demo proof-of-concepts.
  • Collaborate with team members to understand current product features.
  • Develop automated unit and integration tests.
  • Participate in code reviews and engage in the project's agile development process.
  • Effectively communicate with fellow developers and occasionally with end-users.

Minimum Qualifications:

  • Bachelor’s degree in Computer Science or similar technical field and 10+ years of experience in software development or High School Diploma and 14+ years of experience in software development.
  • 10+ years’ experience developing with Python
  • Experience in SQL and database management
  • Experience in front-end / full stack development 
  • Experience with Version Control Systems such as Git
  • Experience with containerization tools such as Docker or Kubernetes
  • Knowledge of RESTful API development and integration
  • Understanding of Linux/Unix operating system environments

Preferred Qualifications:

  • Experience with Agile development methodologies, daily SCRUM, and JIRA
  • Experience working with Node.js
  • Experience with CI/CD tools such as Jenkins or GitLab CI
  • Knowledge of cloud services such as AWS or Azure

Clearance Requirements: Active/current TS/SCI with Polygraph is required for this position.

Physical Requirements: Must be able to remain in a stationary position 50% of the time.

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