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Sr Python Developer Jobs in Virginia (NOW HIRING)

BTree Solutions, Inc.

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 ...

Aretum

Senior Python Developer

Mclean, VA · On-site +1

$122K - $165K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems. Due to the nature of our work as a federal consulting organization ...

Aretum

Senior Python Developer

Mclean, VA · Remote

$122K - $165K/yr

As a Senior Python Developer, you will assist in leading the integration of a custom application with other client based systems. Due to the nature of our work as a federal consulting organization ...

Interon IT Solutions

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 ...

Hexaware Technologies, Inc

Python Developer

Reston, VA

$52.25 - $72/hr

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 engineering skills ...

CGI Inc.

Senior Python Developer with Spark

Reston, VA · On-site

$126K - $170K/yr

Senior Python Developer with Spark Category: Software Development/ Engineering Main location: United States, Virginia, Reston Position ID:J0526-0018 Employment Type: Full Time U.S. - What we do ...

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 ...

ICONMA

Senior Python Developer

Mclean, VA · On-site

$123K - $165K/yr

ICONMA is a company seeking a Senior Python Developer to join their team in McLean, VA. The role requires strong experience in Python development, SQL, and the ability to communicate technical ...

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 ...

Mindlance

Senior Python Developer

Mclean, VA

$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 ...

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

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

Merrifield, VA

$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

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 Developer JobsSr Python Developer Jobs in Virginia

Sr Python Developer information

See Virginia salary details

$54.5K

$140.8K

$193.3K

How much do sr python developer jobs pay per year?

As of Jun 19, 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 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.

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 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 popular job titles related to Sr Python Developer jobs in Virginia? For Sr Python Developer jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Sr Python Developer jobs in Virginia look for? The top searched job categories for Sr Python Developer jobs in Virginia are:
Sr Python Developer jobs near you
Infographic showing various Sr Python Developer job openings in Virginia as of June 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $140,758 per year, or $67.7 per hour.
Senior Python Developer

Senior Python Developer

Innovative Information Technologies, Inc

Mclean, VA

$124K - $167K/yr

Other

Posted yesterday

Job description

ONLY W2, NO C2C
Job Title Senior Full Stack Python Developer
McLean, VA (Onsite)
12 months contract

Must Have Qualifications:
Strong Python Developer with strong experience in Python development, SQL, and database technologies.
Must be a strong communicator.
Java experience is nice to have

Interview Information:
Rounds: 2 rounds
Duration: 30-60 mins
Interview Type: 1st Virtual | 2nd Onsite
Interview Placeholders: 6/26, 9:00 9:30 | 6/26, 10:00 10:30 am | 6/29, 10:00 10:30 am | 6/29,
1:00 1:30 pm
Interview Debrief: TBD will be scheduled with suppliers once all interview rounds are completed.

Job Description:
Senior Python Developer
Required Experience & Education
7 10 years of professional software development experience.
Bachelor s degree in Computer Science or a related field (or equivalent experience).

Core Technical Skills (Python & Backend)
Strong professional experience with Python (backend development).
Proficiency with build/test tools: Pytest, Unittest.
Strong experience building and consuming RESTful API web services.
Experience with data manipulation and analysis using data frames (e.g., Pandas).
Proficiency with build/test tools: Gradle, FitNesse.
Proven ability to perform R&D using AI, including evaluating AI-assisted approaches, rapidly prototyping solutions, and validating outcomes (e.g., prompt engineering, model/tool evaluation, and integrating AI capabilities into workflows or applications).
Excellent problem-solving, analytical, and technical skills.
Strong oral and written communication skills, with the ability to clearly explain technical concepts to both technical and non-technical stakeholders.

Database & Data Skills
Outstanding database skills with strong understanding of RDBMS (e.g., MS SQL) and data modeling.
Ability to write advanced SQL queries for reporting, troubleshooting, and data analysis.
Experience working with structured and semi-structured data formats: XML and JSON.

DevOps / SDLC / Tooling
Understanding of Docker containers in the development process.
Understanding of application lifecycle management.
Ability to use CI/CD pipelines and related tools (e.g., JIRA, Jenkins) to build and deploy applications.
Experience with Git and collaborative development workflows.

Preferred / Nice-to-Have (Java, BI Tools)
Experience with BI tools such as Tableau.
Past experience with Snowflake data warehouse.
Java proficiency (preferred), particularly for AI/ML development and automation.

Soft Skills
Flexible and versatile; able to adapt quickly to new environments and work across projects.

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