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

Saransh Inc

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 ...

ManTech

Senior Python Developer

Herndon, VA · Remote

$141K - $236K/yr

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 ...

ManTech International

Senior Python Developer

Herndon, VA · On-site

$141K - $236K/yr

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 ...

Altumint

Python Engineer

Lanham, MD · On-site +1

$110K - $125K/yr

Senior Software Engineer Team Lead FLSA Status: Exempt Position Summary The Python Engineer will play a hands-on role in supporting and evolving the software ecosystem behind Altumint's device fleet ...

Navtech, Inc.

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 ...

Palnar

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 ...

Palnar

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 ...

Nastech Global

Senior AI/ML/Python Engineer

Reston, VA · On-site

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 ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

eSolutionsFirst, LLC

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 ...

Leidos

Senior Python Developer

Manassas, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Springfield, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Herndon, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Burke, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

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Showing results 1-20

All JobsSr Python Engineer JobsSr Python Engineer Jobs in Alexandria, VA

Sr Python Engineer information

See Alexandria, VA salary details

$24.6K

$149.8K

$216.7K

How much do sr python engineer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for sr python engineer in Alexandria, VA is $149,813.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,300.00 and $176,100.00 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, and why are they important?

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 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 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 are popular job titles related to Sr Python Engineer jobs in Alexandria, VA? For Sr Python Engineer jobs in Alexandria, VA, the most frequently searched job titles are:
What job categories do people searching Sr Python Engineer jobs in Alexandria, VA look for? The top searched job categories for Sr Python Engineer jobs in Alexandria, VA are:
What cities near Alexandria, VA are hiring for Sr Python Engineer jobs? Cities near Alexandria, VA with the most Sr Python Engineer job openings:
Sr Python Engineer jobs near you
Infographic showing various Sr Python Engineer job openings in Alexandria, VA as of July 2026, with employment types broken down into 83% Full Time, 15% Part Time, and 2% Contract. Highlights an 84% Physical, 8% Hybrid, and 8% Remote job distribution, with an average salary of $149,813 per year, or $72 per hour.

Sr. Python Developer with Spark and AWS

Saransh Inc

Mclean, VA • On-site

$122K - $165K/yr

Contractor

Re-posted 2 days ago

Job description

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. 06+ years of IT experience in Python technologies
  • Working and Hands on experience on AWS
  • Excellent expertise in Python Microservices
  • Experience in Implementing Rest API using Python
  • Primary skills Python , Spark, AWS (S3 , Lambda, IAM, SG ..etc.)
  • Proficiency in Advanced SQL and SparkSQL
  • Good exposure and progressive experience working on AWS Cloud and integrations
  • Experienced in using GIT
  • Good with CI/CD - Jenkins
  • Familiar with Agile delivery process
  • Desired: Knowledge of Spark, Java