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

Noblis

Senior Python Developer

Chantilly, VA · On-site

$124K - $167K/yr

The developer will function as a full-stack engineer building and extending Python-based front-end and back-end capabilities that process diverse data formats encountered during forensic ...

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 ...

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 Arlington, VA

Senior Python Developer information

See Arlington, VA salary details

$63.3K

$163.3K

$224.3K

How much do senior python developer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior python developer in Arlington, VA is $163,337.00, according to ZipRecruiter salary data. Most workers in this role earn between $139,800.00 and $188,100.00 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 Arlington, VA?

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

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

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

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

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

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

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

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Arlington, VA as of August 2026, with employment types broken down into 1% Internship, 83% Full Time, 10% Part Time, and 6% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $163,337 per year, or $78.5 per hour.

Senior Python Developer

Noblis

Chantilly, VA • On-site

$124K - $167K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 26 days ago

Job description

Responsibilities
Noblis is seeking a cleared Cyber Capability Developer III - Digital Forensics to support our Law and Enforcement customer in Chantilly VA.
This role involves developing, maintaining, and enhancing cyber tools that support digital forensics and incident response operations for a federal law enforcement customer. The developer will function as a full-stack engineer building and extending Python-based front-end and back-end capabilities that process diverse data formats encountered during forensic investigations. Work is priority-driven based on operational needs, requiring adaptability and rapid delivery of scripts and functionality to expand the customer's use cases.
Job Responsibilities:
  • Develop and maintain full-stack applications using Python (Django) on the back end and React (JavaScript) on the front end to support forensic analysis workflows
  • Create new processing capabilities for data formats encountered during investigations
  • Develop scripts and modules that extend the functionality of the existing forensic toolkit
  • Broaden use cases of existing cyber tools to address evolving operational requirements
  • Containerize and deploy functionality using Docker
  • Write automation scripts in Bash and PowerShell to support forensic data processing pipelines
  • Manage and optimize PostgreSQL databases that underpin forensic tool data storage and retrieval
  • Collaborate with forensic examiners and incident responders to translate operational needs into development priorities

Required Qualifications
  • Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) and ability to obtain a Counterintelligence (CI) Polygraph.
  • US Citizenship is required.
  • Bachelor's degree or master's degree with 8 years of experience of experience OR Associate degree with 11 years of experience OR High School/Diploma with 14 years of experience
  • Solid experience with Python development.
  • Ability to rapidly prototype and deliver functional tools under operationally-driven timeline

#FundedPosition
Desired Qualifications
  • Active TS/SCI with CI Polygraph
  • Bachelor's degree in Computer Science, Engineering, Cybersecurity, or related field
  • Familiarity with SANS SIFT Workstation tools and forensic analysis workflows
  • Experience with digital forensics tools and techniques (disk imaging, memory analysis, artifact parsing)
  • Exposure to incident response processes and evidence handling in law enforcement contexts
  • Experience with mixed vendor/platform environments (COTS, GOTS, custom tools)
  • Knowledge of forensic data formats (E01, raw images, file system artifacts, registry hives, browser artifacts)

#nowhiring
Overview
Noblis and our wholly owned subsidiaries, Noblis ESI, and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions. We bring the best of scientific thought, management, and engineering expertise together in an environment of independence and objectivity to deliver enduring impact on federal missions. Noblis works with a wide range of government clients in the defense, intelligence and federal civil sectors. Learn more at Noblis -About Us
Why work at a Noblis company?
Our employees find greater meaning in their work and balance the other things in life that matter to them. Our people are our greatest asset. They are exceptionally skilled, knowledgeable, team-oriented, and mission-driven individuals who want to do work that matters and benefits the public. Noblis has won numerous workplace awards. Noblis maintains a drug-free workplace.
*Remote/hybrid status is subject to change based on Noblis and/or government requirements
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.
If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us.
EEO is the Law | E-Verify | Right to Work
Total Rewards
At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits page on our Careers site.
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. The projected compensation range for this position is based on full time status. For part time or on-call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it's just one component of Noblis' total compensation package.
Posted Salary Range
USD $120,700.00 - USD $188,725.00 /Yr.

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