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

Junior Python Developer

Chantilly, VA · On-site

$69K - $125K/yr

Junior Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade ... Collaborate with senior developers and DevOps engineers * Assist with onboarding technical ...

Junior Python Developer

Chantilly, VA · On-site

$69K - $125K/yr

Junior Python Developer Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade ... Collaborate with senior developers and DevOps engineers * Assist with onboarding technical ...

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 ...

We are looking for a Senior Python Engineer with a "hacker" mindset to join our team as a Software Engineer III. This role is dedicated to large-scale web scraping and data harvesting. If you have ...

Software Engineer III

Reston, VA · On-site +1

$59.75 - $80.25/hr

We are looking for a Senior Python Engineer with a "hacker" mindset to join our team as a Software Engineer III. This role is dedicated to large-scale web scraping and data harvesting. If you have ...

We are looking for a Senior Python Engineer with a "hacker" mindset to join our team as a Software Engineer III. This role is dedicated to large-scale web scraping and data harvesting. If you have ...

Job Title: Sr. AI Platform Developer Job Location: Herndon, VA Job Type: Contract * Programming Languages: Mastery of Python is essential, with R, Java, and C++ also being highly valuable. * Machine ...

Showing results 21-40

Senior Python Developer information

See Leesburg, VA salary details

$55.6K

$143.6K

$197.2K

How much do senior python developer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for senior python developer in Leesburg, VA is $143,605.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,900.00 and $165,400.00 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 are the key skills and qualifications needed to thrive as a senior Python developer?

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 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.

Are senior Python developers still in demand?

Senior Python developers remain in high demand due to the language's versatility in web development, data analysis, machine learning, and automation. Companies seek experienced developers with skills in frameworks like Django or Flask, and proficiency in cloud platforms and APIs enhances job prospects.

How much does a senior Python developer make?

A senior Python developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may hold certifications or advanced degrees that influence salary levels.

What does a senior Python developer do?

A senior Python developer designs, develops, and maintains complex software applications using Python. They often lead projects, review code, optimize performance, and collaborate with cross-functional teams, requiring strong problem-solving skills and knowledge of frameworks like Django or Flask. Additionally, they may mentor junior developers and ensure code quality through testing and best practices.

What are the most commonly searched types of Python Developer jobs in Leesburg, VA?

The most popular types of Python Developer jobs in Leesburg, VA are:

What are popular job titles related to Senior Python Developer jobs in Leesburg, VA?

For Senior Python Developer jobs in Leesburg, VA, the most frequently searched job titles are:

What job categories do people searching Senior Python Developer jobs in Leesburg, VA look for?

The top searched job categories for Senior Python Developer jobs in Leesburg, VA are:

What cities near Leesburg, VA are hiring for Senior Python Developer jobs?

Cities near Leesburg, VA with the most Senior Python Developer job openings:

Infographic showing various Senior Python Developer job openings in Leesburg, VA as of August 2026, with employment types broken down into 1% Internship, 84% Full Time, 10% Part Time, and 5% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $143,605 per year, or $69 per hour.

Senior Full Stack Python Developer

SmartIPlace

Mclean, VA • On-site

Contractor

Re-posted 14 days ago


Job description

Hi,

I hope you are doing well.
 

Please find the job details below:

Job Title: Senior Full Stack Python Developer
Location: McLean, VA

 

Work Authorization:

  • Open to sponsored candidates through sub-vendors (one layer deep only)
  • Candidates must be W2 employees of the sub-vendor

Must-Have Requirements:

  • 7–10 years of professional software development experience
  • Strong hands-on experience in Python Backend Development
  • Strong expertise in SQL, database technologies, and data modeling
  • Experience building and consuming RESTful APIs
  • Experience with Pytest and Unittest
  • Strong experience working with Pandas and data frames for data analysis and manipulation
  • Advanced SQL query writing skills for reporting, troubleshooting, and analysis
  • Experience working with XML and JSON
  • Strong communication and stakeholder management skills
  • Experience with Git, CI/CD pipelines, Jira, and Jenkins
  • Understanding of Docker containers and SDLC processes
  • Experience performing R&D using AI tools, prompt engineering, AI-assisted development, and workflow automation

Preferred Skills:

  • Java development experience
  • Tableau reporting experience
  • Snowflake data warehouse experience
  • AI/ML development and automation exposure
  • Experience integrating AI capabilities into applications and workflows

Key Responsibilities:

  • Design, develop, and maintain scalable backend applications using Python
  • Build and support RESTful APIs and enterprise integrations
  • Develop and optimize complex SQL queries and database solutions
  • Perform data analysis and transformation using Pandas
  • Participate in AI-driven research, prototyping, and solution validation
  • Support CI/CD deployments and containerized development environments
  • Collaborate with business and technical teams to deliver high-quality solutions
  • Troubleshoot production issues and improve application performance

Interview Process:

  • Round 1: Virtual (30–60 mins)
  • Round 2: Onsite (30–60 mins)

Interview Slots:

  • June 26: 9:00 AM – 9:30 AM
  • June 26: 10:00 AM – 10:30 AM
  • June 29: 10:00 AM – 10:30 AM
  • June 29: 1:00 PM – 1:30 PM

Shortlisting Deadline: June 23rd

  If you are interested in this position, please reply with your updated resume and contact information.


Smart-iPlace logo

About Smart-iPlace

Sourced by ZipRecruiter

SMART-iPLACE provides innovative staffing and consulting solutions that help our clients achieve their business objectives. We can understand and support all areas of your IT systems from back-end infrastructure to front-end personal productivity. Our goal is create innovative IT solutions that enable your business to be more agile and competitive.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Irving, TX, US

Year founded

2021

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