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

Blueface Ltd

Sr. Python Engineer, Agentic AI

Washington, DC · On-site

$168.33 - $252.49/hr

Senior Backend Engineering Depth - Extensive experience designing, building, and operating backend systems in Python, including asynchronous frameworks (FastAPI, asyncio) and distributed service ...

Via Logic LLC

Junior Python Developer

Chantilly, VA · On-site

$69.55 - $125.72/hr

Junior Python Developer Minimum Requirements * US Citizenship with TS/SCI and Counter-Intelligence ... Collaborate with senior developers and DevOps engineers * Assist with onboarding technical ...

Via Logic LLC

Junior Python Developer

Columbia, MD · On-site

$69.55 - $125.72/hr

Junior Python Developer Minimum Requirements * US Citizenship with TS/SCI and Counter-Intelligence ... Collaborate with senior developers and DevOps engineers * Assist with onboarding technical ...

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Senior Python Developer information

See Mclean, VA salary details

$56.4K

$145.6K

$200K

How much do senior python developer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for senior python developer in McLean, VA is $145,645.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,600.00 and $167,700.00 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 McLean, VA?

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

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

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

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

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

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

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

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in McLean, VA as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, and 8% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $143,873 per year, or $69.2 per hour.

Python Developer (Mid-Senior)

JTEC Consulting LLC

Chantilly, VA • On-site

$125K - $169K/yr

Full-time

Re-posted 4 days ago

Job description

Job Summary:
JTEC Consulting LLC is a Veteran-Owned Small Business focused on delivering solutions for Air Force and DOD clients. They are seeking Python Developers at the mid-senior level to support a data science and software engineering team in developing and deploying systems across multiple federal environments.
Responsibilities:
• Work as part of a blended team of government and contractor personnel including data scientists and technical team members supporting application and systems development projects for deployment across multiple environments
• Support development for end-to-end system features from user experience to backend code and deployment
• Provide expertise to the development team using Agile methodologies, modern languages, cloud technologies, and microservices
• Promote adoption of industry best practices to meet customer requirements
• Ensure solutions align with current and future architecture and operational environments
• Support hands-on development in Python and shell scripting for internal and external APIs
• Deploy code using Jenkins and GitHub
• Support unit testing, code reviews, and related activities
• Leverage Scrum methodology
• Support cloud infrastructure deployment for mission critical and classified workloads using AWS Commercial Cloud Services (C2S)
• Deploy applications using microservices and Kubernetes container orchestration
• Collaborate with networking team members and ISSM to ensure that data access and routing meet customer's stated requirements
• Support overall program deliverables, as assigned, including documentation and reports
• Support full on-site schedule
Qualifications:
Required:
• U.S. citizenship
• Current TS/SCI with polygraph required for consideration
• Bachelor’s degree in a related discipline (Computer Science, Information Systems, or technical discipline) + Equivalent years of related experience may be considered in lieu of a degree
• 10+ years of related experience with Python application development including: Python coding, FastAPI, SQLAlchemy, API development
• Experience working with AWS cloud and virtual infrastructure including: AWS C2S, Amazon Virtual Private Cloud/AWS IDL VPC
• Experience working with AWS tools including: Managed OpenSearch, EMR, EC2, Lambdas
• Experience deploying containerized microservices with Kubernetes
• Experience building and running containerized applications using Helm and Docker
• Experience with Jenkins, GitHub, and other CI/CD tools
• Experience with version control systems including Git
• Experience working with big data search tools such as OpenSearch, Elastic, Airflow, PySpark, and Trino
• Effective written and verbal communication skills to work in a dynamic team environment
• Availability to support a full on-site work schedule
Preferred:
• Experience with large-scale, massively parallel distributed data processing tools including Spark, Hadoop, Presto, NiFi
• Programming experience using Python, Java, Perl, C, C++
• Experience with ELK Stack (Elasticsearch, Logstash, Kibana)
• Experience maintaining and optimizing Elastic clusters
• Experience working and developing capabilities in Linux and Windows
• Experience with automating project builds using shell scripts, Jenkins, and using and writing Makefiles
• Experience with Linux bash shell scripting
• Experience with HTML, JavaScript, Regular Expressions, JSON
• Experience building a Python web server and performing setup in Flask
• Experience working with varied file types including text, image, video, audio, binary
• Knowledge of machine learning is a plus
• Experience using automated data frameworks
Company:
Founded by technologists in 2013, JTEC's core team has served in and supported the missions of the U.S. Founded in 2013, the company is headquartered in Atlanta, GA, US, , with a team of 11-50 employees. The company is currently Early Stage.

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