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Senior Python Software Engineer Jobs in Potomac, MD

ManTech

CNO Python Software Engineer

Hanover, MD

$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 ...

ETS LLC

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Senior Python Developer Location: McLean, VA Duration: 5-6 Months Rate : 55 -60$/hr on W2 Only ... Must Have Qualifications: 5+ years experience of software development experience using Python. Must ...

BTree Solutions, Inc.

SR. PYTHON DEVELOPER

Reston, VA · On-site

$126K - $170K/yr

Job Title: SR. PYTHON DEVELOPER Location: Reston,VA Duration: 12+ Months Visa: USC, GC, H1B and EAD Contract Type: W2 Development : * Python Developer with experience in Java as a plus. * Proficient ...

Aretum

Senior Python Developer

Mclean, VA · On-site +1

$122K - $165K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems. Due to the nature of our work as a federal consulting organization ...

Aretum

Senior Python Developer

Mclean, VA · Remote

$124K - $167K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems. Due to the nature of our work as a federal consulting organization ...

Aretum

Senior Python Developer

Mclean, VA · Remote

$122K - $165K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems. Due to the nature of our work as a federal consulting organization ...

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All JobsSenior Python Software Engineer JobsSenior Python Software Engineer Jobs in Potomac, MD

Senior Python Software Engineer information

See Potomac, MD salary details

$56.9K

$146.8K

$201.7K

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

As of Jun 18, 2026, the average yearly pay for senior python software engineer in Potomac, MD is $146,841.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,700.00 and $169,100.00 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 is the salary of senior Python developer?

The salary of a senior Python software engineer typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. Skilled professionals with expertise in frameworks like Django or Flask and experience with cloud services may earn higher compensation.

Will AI replace Python coders?

AI tools can automate certain coding tasks, but Senior Python Software Engineers are essential for designing, developing, and maintaining complex software systems. AI is more likely to augment coding work rather than fully replace experienced developers, who bring problem-solving, creativity, and domain expertise that AI cannot replicate fully.

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 engineers make $500,000?

Senior Python Software Engineers with extensive experience, specialized skills in areas like machine learning or data engineering, and working in high-paying industries such as finance or tech can earn $500,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially at large tech companies or startups with significant funding.

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.

Is it possible to make 300k as a software engineer?

Senior Python software engineers with extensive experience, specialized skills, and working in high-paying industries or companies can reach or exceed a $300,000 annual salary, especially with bonuses and stock options. Achieving this level often requires advanced knowledge of frameworks, cloud platforms, and a strong track record of project success.
What are popular job titles related to Senior Python Software Engineer jobs in Potomac, MD? For Senior Python Software Engineer jobs in Potomac, MD, the most frequently searched job titles are:
What cities near Potomac, MD are hiring for Senior Python Software Engineer jobs? Cities near Potomac, MD 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 Potomac, MD as of June 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 83% In-person, 6% Hybrid, and 11% Remote job distribution, with an average salary of $146,841 per year, or $70.6 per hour.
CNO Python Software Engineer

CNO Python Software Engineer

ManTech

Hanover, MD

$114K - $190K/yr

Other

Medical, Life, Retirement, PTO

Posted 2 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

32nd of 191 rated software companies

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

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 software solutions within a cyber network operations (CNO) environment. You will provide specialized testing and evaluation capabilities tailored to system functions, contributing to impactful national security initiatives. 

Responsibilities include, but are not limited to:

  • Design and develop new bleeding edge software, leveraging your knowledge in programming and coding with Python to solve challenging problems and create the best solutions

  • Work with the entire Software Development Lifecycle, including planning, requirements analysis, designing, developing, testing and deployment of new or improved CNO Capabilities

  • Debugging and troubleshooting software

  • Modify existing software to correct errors, to adapt to new requirements, or to improve performance

  • Perform quality control on team products

  • Demonstrate knowledge of multiple software development methodologies (e.g., Scrum, TDD, Waterfall).

Minimum Qualifications:

  • High School Diploma and 11+ years of programming experience, or BS Degree in a technical discipline and 7+ years of programming experience

  • Experience with Python

  • Experience with Python Task Automation

  • Experience with Object Oriented Analysis and Design

  • Experience programming using Software Version Control

  • Experience programming using JSON and YAML

Preferred Qualifications:

  • Experience with software analysis and/or reverse engineering

  • Experience with networking (TCP/IP) and socket level programming

  • Experience programming using agile software development methodology

  • Experience with SQL and NoSQL databases

  • Experience with Subversion/GIT

  • Experience with Atlassian Tools (Confluence, Jira, Crucible)

  • Experience with software troubleshooting and debugging

  • Experience Unit/System/Integration testing

  • Knowledge of CNO environment

Security Clearance Requirements:

  • Active and current TS/SCI with Polygraph

Physical Requirements:

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


The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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