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

Leidos

Senior Python Developer

Chantilly, 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

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

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 ...

Leidos

Senior Python Developer

Reston, 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 · 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

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

Manassas, 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

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

Sterling, 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

Herndon, 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

Falls Church, 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 ...

WorkNova LLC

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Position Summary 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 ...

Interon IT Solutions

Senior Python AWS Developer

Reston, VA · On-site

$126K - $170K/yr

Senior Python AWS developer Location: Reston, VA (Onsite - In-person interview) Experience: 10+ years Candidate Preference: Local to DMV area Work Type: 100% hands-on technical role We are seeking a ...

INTELLIPLACERS, LLC

Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

Role: Senior Python Developer Location: McLean, VA (5 Days onsite) Duration: Long term project Interview Mode: In-Person Notes: Looking for a consultant with minimum 10+ years of hands-on ...

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

Senior Python Developer information

See Annandale, VA salary details

$54.7K

$141.2K

$194K

How much do senior python developer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for senior python developer in Annandale, VA is $141,216.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,800.00 and $162,600.00 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 Annandale, VA?

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

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

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

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

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

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

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

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Annandale, VA as of June 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $141,216 per year, or $67.9 per hour.

Senior Python Developer

Chantilly, VA

Leidos
IT Services • 10K+ employees
Learn more about Leidosexternal

$131K - $237K/yr

Full-time

Re-posted 16 days ago

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 154 frontline employees who took The Breakroom Quiz

Job description

Who We Are:

Kudu Dynamics isaLeidos ownedcompany,forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers, engineers, makers, and shakers have experience spanning centuries of research, development, and operations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics is uniquely qualified to anticipate tomorrow's threats and build the next of capabilities.

Job Description:

Join a growing team of security researchers and software engineers as we transition a state-of-the-art IoT security solution from the lab to multiple customers. This role sits at the intersection of helping end users, developing new features, and coordinating with technical partners to integrate new datasets and technologies. This position can be in Columbia, Maryland or Chantilly, Virginia.

Minimum Requirements

  • US Citizenship with TS/SCI and Counter-Intelligence Polygraph clearance

  • 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 scripting)

  • Expertise with Docker and container orchestration (Nomad, Kubernetes, Docker Swarm)

  • Proficiency in software development in Python

  • Experience with infrastructure as code (Terraform, Ansible)

  • Experience delivering solutions on AWS

  • Experience with system monitoring, introspection, and visualization technologies (Grafana, Prometheus, ELK stack)

  • Experience with GitLab CI/CD

  • Experience working in an Agile Scrum development team

  • Database administration/development experience with PostgreSQL or similar

  • Experience supporting full-stack solutions including RESTful API and Angular-based web UI

  • Experience with networking protocols (TCP, UDP, HTTPS, TLS)

  • Experience with user management and onboarding new users

  • Experience with Twelve-Factor App methodology

  • Linux system administration experience

  • Self-starter requiring minimal supervision

  • Intelligent, proactive, and driven to achieve results

Specific Duties

  • Troubleshoot and maintain the deployed application

  • Onboard and managing new users

  • Actively search for and screen new data sources and technologies to meet program demands

  • Serve as primary point of contact for current and future data sources/technical partners

  • Set up technical exchange meetings and gather/catalogue data information

  • Understand security restrictions and access requirements

Education Requirements

  • BS/MS (BA/MA) in a technical degree field, plus a minimum of 4 years directly related experience

  • In lieu of a degree, 10 years of directly related experience

Technical Skills

  • Expertise with Linux system administration

  • Expertise in scripting (Bash, Python)

  • Expertise with container build tools (Docker, Buildah)

  • Expertise with Kubernetes (installing, managing, operating)

  • Experience with Kubernetes CD tools (FluxCD, ArgoCD)

  • Experience with infrastructure as code (Terraform, Helm)

  • Experience delivering solutions on AWS/Azure

  • Experience with system monitoring, introspection, and visualization technologies (Prometheus, Grafana, Loki, ELK stack)

  • Experience with GitLab CI

  • Experience with networking protocols (TCP, UDP, HTTPS, TLS); comfortable diagnosing and resolving networking issues

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:August 31, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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