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Python Jobs in Herndon, VA

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Full-Stack Python Engineer (AI & Analytics Focus) Zuven technologies Inc

McLean, VA

Quick Apply

Bachelor's degree or foreign equivalent degree in Computer Science, Software Engineering or related technical field and five years of experience developing analytics software applications, Master's degree or foreign equivalent degree in Computer Science, Software Engineering or related technical field and 2 years of experience developing analytics software applications, OR .

6 days ago

Full Stack Python AWS Expertise Cb

Reston, Virginia

Title: Full Stack Python AWS Expertise Location: Reston, VA (Onsite) Client: Fannie Mae US Citizens OR GC This is the full JD: Senior Software Engineer - Microservices will be responsible for designing, developing, and maintaining scalable, high-performance microservices that support the organization’s core platforms and applications. Design and implement scalable, resilient, high performing, optimized and secure microservices using modern frameworks and technologies.

30+ days ago

Senior Software Developer with Python experience Select Search Associates

Fairfax, Virginia

Experience developing applications using Generative AI technologies, including Retrieval-Augmented Generation (RAG), Large Language Models (LLMs), and LLM-enabled workflows. Works as a member of an agile scrum team and participates in regular agile ceremonies applying scrum methodologies – daily stand up, planning, sprint reviews, demos, retrospectives.

5 days ago

Python Developer, Senior TS/SCI with Poly REQUIRED CGI Inc

Arlington, VA

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information. Test Design, Integration, and Automation: Design and integrate code to validate RESTful APIs and microservices, ensuring secure and efficient communication between different systems and applications with automated validation.

30+ days ago

CNO Software Developer with C and Python Cymertek

Chantilly, Virginia

CNO Software Engineer, Network Security Software Developer, Network Operations Engineer, Cybersecurity Software Developer, C and Python Software Engineer, Systems Software Developer, Embedded Software Engineer, Security Systems Developer, Network Infrastructure Developer, Cyber Defense Software Engineer, etc. Computer Science, Cybersecurity, Network Engineering, Software Engineering, Information Technology, Computer Engineering, Electrical Engineering, Applied Mathematics, Information Systems, Data Science, Telecommunications, etc.

30+ days ago

Senior Python Developer Leidos Holdings Inc

Chantilly, VA

$131,300–$237,350 / year

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. 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.

30+ days ago

Senior Software Engineer (Python), Intelligence Systems ANDURIL INDUSTRIES

Reston, VA

$191,000–$253,000 / year

To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Lead rigorous root cause analysis for identified test failures, collaborating closely with engineering teams to diagnose issues, propose solutions, and drive the implementation of effective corrective actions.

30+ days ago

Senior Software Test Engineer (Python), Intelligence Systems ANDURIL INDUSTRIES

Reston, VA

$191,000–$253,000 / year

12 days ago

Senior Python/Web Developer-4237734 TCG Inc

Washington, DC

$130,000–$150,000 / year

TCG is recognized for treating employees well, in fact, in 2025 The Washington Post named TCG as a "Top Workplace" for the eleventh straight year based on how our employees feel about the company, the benefits TCG offers, and the work/life balance that our staff achieves. Applicants must reside within a commutable distance of Washington, D.C. REQUIRED SKILLS: A minimum of five (5) years experience with web development using HTML, CSS, JavaScript, Python, jQuery, React.js, and Angular.

3 days ago

Python Lead Developer TechDigital

Washington, DC

extracting and managing access control data from platforms like Azure, SharePoint, Java, NET, WordPress, etc. Cloud and Microsoft Technologies: Proficiency with Azure services, Microsoft Graph API, and.

30+ days ago

Python - AI/ML TechDigital

McLean, VA

API and Connector Development: Experience in developing API connectors using Python for extracting and managing access control data from platforms like Azure, SharePoint, Java, NET, WordPress, etc. • Cloud and Microsoft Technologies: Proficiency with Azure services, Microsoft Graph API, and experience integrating Python applications with Azure for access control reviews and reporting.

30+ days ago

Senior Python Developer NT Concepts

Chantilly, VA

$120,336–$180,504 / year

We deliver end-to-end data and technology solutions that advance the modernization, transformation, and automation of the national security mission—solutions with real impact developed in a strong engineering culture that encourages technical growth, leadership, and creative “big idea” problem-solving. Mission Focus: As a Senior Python Developer you will have the unique opportunity to solve hard problems and help turn complex concepts into reality to advance and enhance systems supporting the defense of our nation.

30+ days ago

Data Engineer 4 (Python, AWS, SQL, GenAI) (Enterprise Platforms Technology) Capital One Financial Corp

McLean, VA

$197,300–$225,100 / year

McLean, VA: $197,300 - $225,100 for Data Engineer 4. Riverwoods, IL: $179,400 - $204,700 for Data Engineer 4. Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter. Utilize programming languages such as Python and Spark, along with open-source relational and NoSQL databases, and cloud-based data warehousing platforms including Databricks and Snowflake.

18 days ago

Data Engineer 4 (Python, PySpark, AWS) Capital One Financial Corp

McLean, VA

$197,300–$225,100 / year

McLean, VA: $197,300 - $225,100 for Data Engineer 4. Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter. Utilize programming languages such as Python and Spark, along with open-source relational and NoSQL databases, and cloud-based data warehousing platforms including Databricks and Snowflake.

17 days ago

Python AI/ML developer with Lang chain TechDigital

Washinton, DC

30+ days ago

Python Developer - Clearance Required ICF

Adelphi, Maryland

Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. This work will include developing cyber defenses, supporting physical and network simulation of UAV/UGV platforms, and evaluating the resilience platforms in simulated tactical scenarios and field tests.

19 days ago

Senior Developer (Python, Aws) OpenDataJobs

Washington, DC

$150,000–$170,000 / year

We support your development across assignments and clients through extensive onboarding, sponsored professional certifications such as the Data Management Capability Assessment Model (DCAM) and AWS technical certifications, and rotation across functions to expand your skills and perspective. Build automated workflows on AWS Lambda, Amazon Simple Queue Service (SQS), Amazon Simple Storage Service (S3), and Amazon Relational Database Service (RDS).

4 days ago

Developer (Python, Aws) OpenDataJobs

Washington, DC

$120,000–$140,000 / year

We support your development across assignments and clients through extensive onboarding, sponsored professional certifications such as the Data Management Capability Assessment Model (DCAM) and AWS technical certifications, and rotation across functions to expand your skills and perspective. As a Benefit Corporation, our commitment runs three ways: real, measurable value for our clients; government that works better for the public; and a team that makes everyone in it better.

4 days ago

Developer (Python, AWS) OpenDataJobs

Washington, District of Columbia

We support your development across assignments and clients through extensive onboarding, sponsored professional certifications such as the Data Management Capability Assessment Model (DCAM) and AWS technical certifications, and rotation across functions to expand your skills and perspective. As a Benefit Corporation, our commitment runs three ways: real, measurable value for our clients; government that works better for the public; and a team that makes everyone in it better.

16 days ago

Senior Developer (Python, AWS) OpenDataJobs

Washington, District of Columbia

16 days ago

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Python Jobs in Herndon, VA

Full-Stack Python Engineer (AI & Analytics Focus) Zuven technologies Inc

Full Stack Python AWS Expertise Cb

Senior Software Developer with Python experience Select Search Associates

Python Developer, Senior TS/SCI with Poly REQUIRED CGI Inc

CNO Software Developer with C and Python Cymertek

Senior Python Developer Leidos Holdings Inc

Senior Software Engineer (Python), Intelligence Systems ANDURIL INDUSTRIES

Senior Software Test Engineer (Python), Intelligence Systems ANDURIL INDUSTRIES

Senior Python/Web Developer-4237734 TCG Inc

Python Lead Developer TechDigital

Python - AI/ML TechDigital

Senior Python Developer NT Concepts

Data Engineer 4 (Python, AWS, SQL, GenAI) (Enterprise Platforms Technology) Capital One Financial Corp

Data Engineer 4 (Python, PySpark, AWS) Capital One Financial Corp

Python AI/ML developer with Lang chain TechDigital

Python Developer - Clearance Required ICF

Senior Developer (Python, Aws) OpenDataJobs

Developer (Python, Aws) OpenDataJobs

Developer (Python, AWS) OpenDataJobs

Senior Developer (Python, AWS) OpenDataJobs

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