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Senior Python Software Engineer Jobs in Washington

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 ...

Hexaware Technologies, Inc

Python Developer

Reston, VA

$52.25 - $72/hr

The Senior Python Developer will design, develop, test, and implement cloud native applications ... approach to software quality and automation. The ideal candidate will be able to work ...

eSolutionsFirst, LLC

Sr. Python Developer

Mclean, VA

$51.50 - $71/hr

Master s degree or foreign equivalent degree in Computer Science, Software Engineering or related ... Python, Python web technologies, e.g. Flask, Dash * Python data processing technologies, e.g.

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Design, develop and support software solution for the given requirements within the financial ... Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other ...

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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 Jun 17, 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 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 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 June 2026, with employment types broken down into 1% As Needed, 91% Full Time, 1% Part Time, 6% Contract, and 1% Nights. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $160,801 per year, or $77.3 per hour.
Senior Software Engineer, C++ Software Integration (R4021)

Senior Software Engineer, C++ Software Integration (R4021)

Shield AI

Washington, DC • On-site

Full-time

Posted 9 days ago

Job description

Job Summary:
Shield AI is a venture-backed deep-tech company focused on protecting service members and civilians with intelligent systems. The Senior Software Engineer will design, implement, and maintain C++ and Python software for complex, cross-platform systems, while contributing to system architecture and improving CI/CD workflows.
Responsibilities:
• Design, implement, and maintain C++ and Python software in support of complex, cross-platform systems.
• Contribute to system architecture with a focus on performance, maintainability, and integration.
• Develop and support APIs and messaging interfaces (e.g., gRPC, REST, ZeroMQ). Integrate third-party software and hardware systems, including real-time and simulation tools.
• Debug and support distributed systems, with attention to threading, timing, and data flow.
• Apply modern agile practices such as test-driven development, continuous integration, and automated testing.
• Improve and maintain CI/CD workflows using tools like GitLab CI, Docker, CMake, and Conan.
• Collaborate across teams and projects to share solutions and promote good software practices.
• Continuously learn and adapt to new tools, standards, and technologies.
Qualifications:
Required:
• Typically requires a minimum of 5 years of related experience with a Bachelor’s degree; or 4 years and a Master’s degree; or 2 years with a PhD; or equivalent work experience.
• Strong proficiency in modern C++ (C++14/17/20) with the ability to work effectively in legacy codebases (C++98/03).
• Proficiency in Linux/Unix environments, including system-level development and debugging tools.
• Experience with Python.
• Professional experience in Linux environments (Windows experience is a bonus).
• Solid understanding of system-level engineering and design patterns.
• Experience in a collaborative environment with CI/CD and test automation.
• Experience with containerization technologies such as Docker.
• Active SECRET clearance.
Preferred:
• Experience integrating distributed simulation environments such as AFSIM or NGTS.
• Familiarity with open standards like UCI and OMS, and an understanding of data buses and interface protocols common in avionics and aircraft systems.
• Familiarity with simulation tools and modeling frameworks.
• Experience with networking concepts and messaging infrastructure.
• Hands-on experience with CMake, Conan, and GitLab CI/CD pipelines.
• Exposure to real-time systems and hardware/software integration.
Company:
Shield AI is a deep-tech company that focuses on developing AI-powered systems to enhance the safety of service members and civilians. Founded in 2015, the company is headquartered in San Diego, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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