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Sr Python Developer Jobs in Virginia (NOW HIRING)

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122.80K - $165.30K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA

$122.80K - $165.30K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122.80K - $165.30K/yr

In a senior developer role, you will design and build data flow and data integration processes to ... Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you ...

CGI Inc.

Senior AWS Python Developer

Reston, VA · On-site

$126.40K - $170.10K/yr

Senior AWS Python Developer Category: Software Development/ Engineering Main location: United States, Virginia, Reston Position ID:J0426-1915 Employment Type: Full Time U.S. - Finding purpose at CGI ...

CGI

Senior AWS Python Developer

Reston, VA

$126.40K - $170.10K/yr

We are seeking a highly skilled and experienced Senior AWS Python Developer with a strong background in AWS cloud services, scalable application development, and DevOps practices. The ideal candidate ...

NT Concepts

Python Developer

Herndon, VA · On-site +1

$51.75 - $71.25/hr

This position requires mid to senior level of experience, a passion for mission support, and a ... We are seeking a Full Stack Python Developer to work under Technical Lead, building scalable web ...

NT Concepts

Python Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

This position requires mid to senior level of experience, a passion for mission support, and a ... We are seeking a Full Stack Python Developer to work under Technical Lead, building scalable web ...

CGI Inc.

Senior Full Stack Python Developer

Reston, VA · On-site

Senior Full Stack Python Developer Category: Software Development/ Engineering Main location: United States, Virginia, Reston Position ID:J0526-0227 Employment Type: Full Time U.S. - What we do ...

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See Virginia salary details

$54.5K

$140.8K

$193.3K

How much do sr python developer jobs pay per year?

As of May 30, 2026, the average yearly pay for sr python developer in Virginia is $140,758.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,500.00 and $162,100.00 per year, depending on experience, location, and employer.

What is a Sr Python Developer job?

A Sr Python Developer is an experienced software engineer who specializes in designing, developing, and maintaining applications using Python. They are responsible for writing clean, efficient, and scalable code while also mentoring junior developers and collaborating with cross-functional teams. Their role often includes optimizing application performance, integrating third-party services, and ensuring best coding practices. Additionally, they may work with frameworks like Django or Flask and databases such as PostgreSQL or MongoDB to build robust backend systems.

What are the key skills and qualifications needed to thrive in the Sr Python Developer position, and why are they important?

To thrive as a Sr Python Developer, you need expert proficiency in Python programming, strong problem-solving skills, and a solid background in computer science or related fields, often demonstrated by several years of relevant experience. Familiarity with frameworks like Django or Flask, version control systems such as Git, and sometimes certifications such as PCEP or PCAP are typically valued. Strong communication, leadership, and the ability to mentor junior developers are standout soft skills for this position. These combined proficiencies ensure that Sr Python Developers can build robust solutions, contribute to architectural decisions, and drive team success in complex technical environments.

What are the typical daily responsibilities of a Sr Python Developer?

As a Sr Python Developer, your daily tasks often include designing and coding complex features, reviewing code from team members, and troubleshooting bugs or performance issues. You may also lead technical discussions, contribute to architectural decisions, and collaborate closely with product managers, QA engineers, and other developers. Mentoring junior team members and staying up to date with best practices or new technologies is also a regular part of the role. This combination of hands-on engineering and leadership responsibilities ensures both the quality of the codebase and the continual growth of the team.
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Sr Python Developer jobs near you
Infographic showing various Sr Python Developer job openings in Virginia as of May 2026, with employment types broken down into 86% Full Time, 7% Part Time, and 7% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $140,758 per year, or $67.7 per hour.

Senior Spark & Python Developer

Mavens Guild

Mclean, VA • On-site

$122.80K - $165.30K/yr

Full-time

Posted 11 days ago

Job description

What we would like to see:

In a senior developer role, you will design and build data flow and data integration processes to enhance loss prevention technologies for a leading financing firm. Drawing from your vast hands-on experience in Python (PySpark), Spark, REST, Java, and Scala, you will develop, test, and deploy end-to-end solutions using full-stack development tools within AWS (EMR, S3) cloud based infrastructure.

A typical day as a Senior Spark Programmer:
  • Develop fault tolerant, streaming as well as batch data integration processes using Spark/PySpark, Java and performance enhanced SQL
  • Develop and lead development efforts of application programming interfaces to enable integration of fraud detection systems with a host of new reporting and data mining tools
  • Design and develop automation of data flow tasks and end-to-end process testing
  • Design and develop scalable frameworks to ingest, transform, store, and present loss prevention information to downstream systems
  • Implement and lead implementation of Agile best practices and a continuous integration ecosystem
  • Implement and lead implementation efforts of Spark/Python based solution architecture, scalable process frameworks, advanced analytics, and responsive RESTful services
What you will need to bring to the table:
  • 5+ years experience with processing of structured, unstructured and semi-structured data using in-memory cluster computing technologies, specifically with Spark
  • 5+ years experience as a Java programmer
  • 3+ years experience programming in Python (PySpark API)
  • 3+ years experience with cloud services offered through AWE, like EMR, Redshift, or S3
  • 3+ years experience in developing, testing and deploying RESTful APIs for high volume data streams
  • Experience with continuous integration tools like Jenkins
  • Experience working in a distributed computing infrastructure like Hadoop and/or Spark
  • Critical and analytical approach to solving technical problems
  • Excellent interpersonal skills and ability to clearly communicate highly technical concepts to business stakeholders and technical developers alike