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Sr Python Engineer Jobs in Virginia (NOW HIRING)

Senior Python Engineer ID84679

Richmond, VA · On-site

$118K - $160K/yr

ABOUT THE ROLE We are looking for a Senior Python Engineer to build and maintain data pipelines that merge machine learning algorithms with real-world user data to optimize the delivery of SEO link ...

Senior Python Engineer ID84679

Blacksburg, VA · On-site

$104K - $139K/yr

ABOUT THE ROLE We are looking for a Senior Python Engineer to build and maintain data pipelines that merge machine learning algorithms with real-world user data to optimize the delivery of SEO link ...

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 ...

Sr. Python Developer

Richmond, VA · On-site

$118K - $160K/yr

They are in search of a highly motivated Sr. Python Developer who will be involved in design, development, and documentation related work, with a strong focus on Python Development and AWS services.

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 ...

Posted today

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 ...

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

$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 ...

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

$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 ...

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 ...

Senior Python Developer

Chantilly, VA · On-site

$124K - $167K/yr

... engineer building and extending Python-based front-end and back-end capabilities that process diverse data formats encountered during forensic investigations. Work is priority-driven based on ...

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

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 job categories do people searching Sr Python Engineer jobs in Virginia look for?

The top searched job categories for Sr Python Engineer jobs in Virginia are:

What cities in Virginia are hiring for Sr Python Engineer jobs?

Cities in Virginia with the most Sr Python Engineer job openings:

Infographic showing various Sr Python Engineer job openings in Virginia as of August 2026, with employment types broken down into 91% Full Time, 5% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Senior Python Engineer (CloudFormation / DevOps)

Cuboid IT Solutions

Richmond, VA • On-site

$128K - $165K/yr

Contractor

Re-posted 20 days ago


Job description

Now Hiring: Senior Python Engineer (CloudFormation / DevOps) 

Location: Hybrid – 3 days onsite (Richmond, VA or McLean, VA)
Type: Contract (4 months to start, strong likelihood of extension)

We are seeking a Senior Python Engineer with deep AWS CloudFormation and DevOps automation experience to support a high-impact cloud infrastructure initiative.

Must-Have Skills:
✔️ Strong Python development for automation & infrastructure scripting
✔️ Advanced AWS CloudFormation (template authoring, stack management, troubleshooting)
✔️ Solid DevOps automation experience (CI/CD, IaC, infrastructure provisioning)
✔️ Experience with Application & Network Load Balancers (ALB/NLB) and ECS integrations

Nice-to-Have Skills:
• AWS Security services: WAF, IAM, GuardDuty
Node.js experience (cross-functionality with Python)

Project Overview:
• Build a new WAF pipeline
• Transition deployments from Terraform to AWS CloudFormation
• Dockerize environments and optimize infrastructure within ECS clusters
• Configure ECS services for automated tasks, alerts, and scaling
• Improve load balancing, resiliency, and automation

Interview Process:
• 1-hour interview with project overview and technical deep dive on Python & CloudFormation

Regards,

Arshiya