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Senior Python Software Engineer Jobs in Washington

MANTECH

CNO Python Software Engineer

Hanover, MD · On-site

MANTECH seeks a skilled and mission-focused CNO Python Software Engineer to join our team in Hanover, MD. In this role you will be providing specialized testing and evaluation capabilities tailored ...

Maxiom Technology

Senior Python Developer

Washington, DC · On-site

$137K - $185K/yr

We are looking for a Senior Python Developer to join our software development team. Senior Python Developer responsibilities include participating in the entire software development lifecycle ...

ManTech

CNO Python Software Engineer

Hanover, MD · On-site

$114K - $190K/yr

MANTECH seeks a motivated, career- and customer-oriented CNO Python Software Engineer to join our team in Hanover, MD. This position supports critical mission requirements by delivering advanced ...

NT Concepts

Senior Python Developer

Chantilly, VA · On-site +1

$124K - $167K/yr

We are seeking a Senior Python Developer to join our team. Working at NT Concepts means that you ... Ensure compliance with software design, development, testing, integration and sustainment standards

ManTech

CNO Python Software Engineer

Hanover, MD · On-site

$141K - $236K/yr

MANTECH seeks a skilled and mission-focused CNO Python Software Engineer to join our team in Hanover, MD. In this role you will be providing specialized testing and evaluation capabilities tailored ...

VTG

Senior Software Engineer

Fort George G Meade, MD · On-site

$170K - $210K/yr

This role requires hands-on experience with Python, JavaScript, Bash scripting, and Grafana, along with a strong understanding of modern software engineering and system design principles. What will ...

NT Concepts

Senior Python Developer

Chantilly, VA · On-site

$120K - $180K/yr

We are seeking a Senior Python Developer to join our team. Working at NT Concepts means that you ... Ensure compliance with software design, development, testing, integration and sustainment standards

Mindlance

Sr, Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Title: Senior Software Developer /Senior Full Stack developer- Python Location: Mclean VA (fully onsite) Contract role Must-Have Qualifications: At least 4 years of hands-on software development ...

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

Senior Python Software Engineer information

See Washington salary details

$62.3K

$160.8K

$220.9K

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

As of Sep 6, 2026, the average yearly pay for senior python software engineer in Washington 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 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 the key skills and qualifications needed to thrive as a senior Python software engineer?

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 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 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.

Which senior Python software engineer job is in demand?

Senior Python software engineering roles are in high demand across industries such as technology, finance, and healthcare, especially for positions involving data analysis, machine learning, and web development. Skills in frameworks like Django or Flask, along with experience in cloud platforms and version control, enhance job prospects in this field.

What are popular job titles related to Senior Python Software Engineer jobs in Washington?

For Senior Python Software Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Senior Python Software Engineer jobs in Washington look for?

The top searched job categories for Senior Python Software Engineer jobs in Washington are:

What cities in Washington are hiring for Senior Python Software Engineer jobs?

Cities in Washington with the most Senior Python Software Engineer job openings:

Senior Python Software Engineer jobs near you
Infographic showing various Senior Python Software Engineer job openings in Washington as of August 2026, with employment types broken down into 92% Full Time, 6% Part Time, and 2% Contract. Highlights an 79% Physical, 2% Hybrid, and 19% Remote job distribution, with an average salary of $160,801 per year, or $77.3 per hour.

CNO Python Software Engineer

MANTECH

Hanover, MD • On-site

Other

Re-posted 22 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

48th of 247 rated software companies

Job description

MANTECH seeks a skilled and mission-focused CNO Python Software Engineer to join our team in Hanover, MD.
 

In this role you will be providing specialized testing and evaluation capabilities tailored to system functions.  You’ll be part of a dynamic team working on next-generation solutions that safeguard our national security systems.

Responsibilities include, but are not limited to:

  • Ability to demonstrate solid knowledge of application containerization using Docker and Kubernetes 
  • Performing system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.
  • Researching requirements for a product, including CNO deployment environment, performance criteria, and competitive issues.
  • Analyze user requirements and system capabilities to resolve problems and design new capabilities or recommend improvements.
  • Debug, troubleshoot, and modify software, and assist with developing and executing test procedures.
  • Write and review software and system documentation
  • Coordinating and performing software deployments for developed products.

Basic Qualifications:

  • Bachelor’s Degree in Computer Science or related field from an accredited college or University with 7 years of programming required, OR 11 years of programming experience in lieu of a degree. 
  • Experience with developing software and systems running Windows and Linux
  • Experience with Python programming
  • Experience with Docker and Kubernetes and Ansible
  • Experience designing and maintaining Continuous Integration / Continuous Delivery processes

Preferred Qualifications:

  • Experience with VMWare
  • Experience with Java
  • Strong problem-solving skills
  • Proficiency with networking (TCP/IP) and socket level programming.
  • Experience with SQL and NoSQL databases
  • Subversion/GIT experience
  • Atlassian Tools (Confluence, Jira, Crucible)
  • Software troubleshooting and debugging experience
  • Unit Test experience

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required
     

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time

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