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Senior Python Developer Jobs in Chantilly, VA (NOW HIRING)

Ekcel Technologies Inc

Sr AWS Python Developer

Reston, VA · On-site

$126K - $170K/yr

Sr AWS Python Developer (2 positions) Location- Reston, VA (In person Client interview) day one onsite Experience : 8 to 18 years FTE or C2C We are looking for Visa independent candidates only for ...

Mavens Guild

Senior Spark & Python Developer

Mclean, VA · On-site

$122K - $165K/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

$122K - $165K/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

$122K - $165K/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 ...

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in Chantilly, VA

Senior Python Developer information

See Chantilly, VA salary details

$56.3K

$145.4K

$199.6K

How much do senior python developer jobs pay per year?

As of Jul 8, 2026, the average yearly pay for senior python developer in Chantilly, VA is $145,355.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,400.00 and $167,400.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.
What are the most commonly searched types of Python Developer jobs in Chantilly, VA? The most popular types of Python Developer jobs in Chantilly, VA are:
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What cities near Chantilly, VA are hiring for Senior Python Developer jobs? Cities near Chantilly, VA with the most Senior Python Developer job openings:
Senior Python Developer jobs near you

Sr AWS Python Developer

Ekcel Technologies Inc

Reston, VA • On-site

$126K - $170K/yr

Full-time

Re-posted 5 days ago

Job description

Sr AWS Python Developer (2 positions)

Location- Reston, VA (In person Client interview) day one onsite

Experience : 8 to 18 years

 FTE or C2C

We are looking for Visa independent candidates only for this Position.

JD:

Seeking an experienced AWS Python Developer to design, build, and maintain cloud-native applications and automation on AWS. The ideal candidate will have strong Python skills, hands-on experience with core AWS services, and experience implementing Infrastructure as Code and CI/CD pipelines. This role collaborates with product, DevOps, and security teams to deliver reliable, scalable, and cost-efficient solutions.

Key Responsibilities

  • Build and maintain ETL pipelines using Python and PySpark on AWS Glue and other compute platforms
  • Orchestrate workflows with AWS Step Functions and serverless components (Lambda)
  • Implement messaging and event-driven patterns using AWS SNS and SQS
  • Design and optimize data storage and querying in Amazon Redshift
  • Write performant SQL for data transformations, validation, and reporting
  • Ensure data quality, monitoring, error handling and operational support for pipelines
  • Collaborate with data consumers, engineers, and stakeholders to translate requirements into solutions
  • Contribute to CI/CD, infrastructure-as-code, and documentation for reproducible deployments

Required skills and experience

  • Strong experience with Python and Pyspark for large-scale data processing
  • Proven hands-on experience with AWS services: Lambda, SNS, SQS, Glue, Redshift, Step Functions
  • Solid SQLSQL skills and familiarity with data modeling and query optimization
  • Experience with ETL best practices, data quality checks, and monitoring/alerting
  • Familiarity with version control (Git) and basic DevOps/CI-CD workflows