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Sr Python Engineer Jobs in Manassas, VA (NOW HIRING)

Senior Python Developer

Washington, DC

$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 ...

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 ...

Python Developer

Chantilly, VA · On-site +1

$51.50 - $71/hr

We are seeking a Senior Python Developer to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National ...

New

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Senior Python Developer - with Container (EKS) & AWS experience Client: Fannie Mae Location: Reston VA - In person interviews so need Local In EAST coast only Long Term This is for a Senior Python ...

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 are part of an innovative, agile company dedicated to solving the most critical challenges in National ...

Sr. Python Developer with Spark and AWS

Mclean, VA · On-site

$122K - $165K/yr

Role: Sr. Python Developer Location: McLean, VA (Hybrid - 3 days a week onsite) Job Type: Contract Required Skills: Python, Spark, AWS (S3, Lambda, IAM, SG etc.), AWS IAM Idaas Qualifications: * Min ...

Python Developer

West Mclean, VA · On-site

$65 - $70/hr

Senior Python Developer Location: Full-time on-site in McLean, VA Position: C2H Green Card or USC Local Candidates Only F2F In person Interview Must-Have Qualifications 5+ years of engineering ...

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Strong Proficiency in Python programming language, including experience with frameworks such as Flask, Django, and Fast API. * Experience with RESTful APIs and microservices architecture, and an ...

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Master's degree in Computer Science, Software Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other popular Python libraries * Java * Testing frameworks such as ...

Senior Python Developer

Mclean, VA · On-site

$123K - $166K/yr

... Python Developer Experience with Python frameworks e.g., Django, Flask. • Good experience on writing the test cases, Unit Testing, and automation test by using PYTEST Understanding of databases and ...

Sr. Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

Python Full Stack Developer Mclean, VA Must Have Qualifications: Must have practical experience with Python, front even technologies, React, JavaScript, and web application development, along with ...

Job Title: Senior AI/ML/Python Engineer Location: Onsite in Reston, VA - 3 days a week Job Type: Contract Top Skills Details 7-10 years of experience working as a Python/ML Engineer with strong ...

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Detailed Python Full Stack Developer Location: (Fully Onsite), Mclean, VA 22102 Duration: 6 months + Extensions Responsibilities: * Refactor and modernize existing components of an ETL application to ...

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Position Summary The Senior Python Developer will design, develop, test, and implement cloud native applications, data pipelines, and backend services within AWS. The role requires strong Python ...

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Sr Python Engineer information

See Manassas, VA salary details

$23K

$139.9K

$202.5K

How much do sr python engineer jobs pay per year?

As of Aug 30, 2026, the average yearly pay for sr python engineer in Manassas, VA is $139,939.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,500.00 and $164,500.00 per year, depending on experience, location, and employer.

What does a Sr Python Engineer do?

A Sr Python Engineer is an experienced software developer who specializes in designing, developing, and maintaining applications using the Python programming language. They often lead projects, mentor junior engineers, and work on complex problems that require deep technical expertise. Their responsibilities may include writing efficient code, optimizing performance, integrating with APIs or databases, and ensuring the overall quality of software solutions. Additionally, they may collaborate with cross-functional teams to deliver robust and scalable applications.

What are the key skills and qualifications needed to thrive as a Sr Python Engineer?

To thrive as a Sr Python Engineer, you need advanced proficiency in Python programming, strong knowledge of software design patterns, and experience with scalable application development, often supported by a degree in computer science or related field. Familiarity with frameworks like Django or Flask, version control systems such as Git, and cloud platforms like AWS or Azure is typically required, with certifications in cloud or Python development considered a plus. Excellent problem-solving abilities, strong communication, and leadership skills help you collaborate effectively and mentor junior engineers. These competencies are critical for delivering robust, efficient solutions and driving technical excellence within development teams.

What are some common challenges Sr Python Engineers face when working on large-scale applications?

Sr Python Engineers often encounter challenges related to maintaining code quality and scalability as applications grow. Managing dependencies, ensuring optimal performance, and coordinating with cross-functional teams can be complex, especially in distributed systems. Additionally, integrating new technologies or frameworks while maintaining backward compatibility requires careful planning and communication. Proactive code reviews, clear documentation, and collaborative problem-solving are essential to overcoming these challenges.

What is the difference between Sr Python Engineer vs Python Developer?

AspectSr Python EngineerPython Developer
Required CredentialsBachelor's degree in CS or related field, experience in Python, often some leadership skillsBachelor's degree in CS or related field, strong Python skills, often less emphasis on leadership
Work EnvironmentTeam lead, project architect, involved in system design and optimizationCode writing, feature development, bug fixing
Employer & Industry UsageTech companies, startups, enterprise softwareWeb development, data analysis, automation projects

While both roles require strong Python skills, Sr Python Engineers typically have more experience, leadership responsibilities, and involvement in system architecture, whereas Python Developers focus more on coding and feature implementation.

What are popular job titles related to Sr Python Engineer jobs in Manassas, VA?

For Sr Python Engineer jobs in Manassas, VA, the most frequently searched job titles are:

What job categories do people searching Sr Python Engineer jobs in Manassas, VA look for?

The top searched job categories for Sr Python Engineer jobs in Manassas, VA are:

What cities near Manassas, VA are hiring for Sr Python Engineer jobs?

Cities near Manassas, VA with the most Sr Python Engineer job openings:

Infographic showing various Sr Python Engineer job openings in Manassas, VA as of July 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $139,939 per year, or $67.3 per hour.

Senior Python Developer

Washington, DC

Maxiom Technology
IT Services • 11 - 50 employees

$137K - $185K/yr

Full-time

Re-posted 4 days ago


Job description

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, debugging applications and configuring existing systems. If you’re equally happy to roll up your sleeves to write code and review other team members’ work, we’d like to meet you.

You’ll use your expertise in Python to help us deploy high-quality applications for our clients.

Responsibilities

  • Analyze system requirements and prioritize tasks
  • Write clean, testable code using Python
  • Develop technical specifications and architecture
  • Test and debug various Python applications
  • Review and refactor code
  • Deploy fully functional applications
  • Upgrade existing programs
  • Support junior developers’ work
  • Document development and operational procedures

Requirements

  • Work experience as a Python Developer - minimum 5 years.
  • Proficiency in building web-based applications
  • In-depth knowledge of at least one Python framework
  • Familiarity with agile environments
  • Troubleshooting abilities
  • Good communication skills
  • BSc in Computer Science, Engineering or relevant field