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Python Developer

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: CACI International Inc
Full Time position
Listed on 2026-10-20
Job specializations:
  • Software Development
    Python, Backend Developer
Salary/Wage Range or Industry Benchmark: 103800 - 218100 USD Yearly USD 103800.00 218100.00 YEAR
Job Description & How to Apply Below
Position: Python Developer , US
## Python Developer Chantilly, VA, USApply Now Find out how well you match with this jobJob ID328404

Job Title:

Python Developer Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:
Regular Percentage of

Travel Required:

None Type of Travel:
None*
* **
* The Opportunity:

** We are seeking a skilled Python Developer to join our dynamic team. The ideal candidate will develop, test, and debug Python applications, APIs, and backend services, utilizing Git for version control and collaborating in a microservices-based cloud environment. Responsibilities include working with databases like PostgreSQL, participating in the full software development lifecycle, and continuously learning new tools and best practices.

** Responsibilities:
** Develop, test, and debug Python applications, APIs, automation scripts, and backend services    Use Git for version control and take part in code reviews and concurrent development workflows    Work with databases such as PostgreSQL to store, query, and manage data using SQL    Contribute to microservices-based applications running in cloud environments such as AWS    Participate in the software development lifecycle, including planning, development, testing, and release    Collaborate with team members to understand requirements and translate them into working solutions    Document your work clearly so others can build on it    Continuously learn new tools, languages, and best practices as you grow in the role      
*
* Qualifications:

*
*
* Required:

* Proficiency in Python programming, including familiarity with common Python frameworks and libraries    Familiarity with databases and SQL (e.g., PostgreSQL, MySQL)    Experience using agentic coding tools and AI-assisted development    Knowledge of Cloud computing concepts and AWS    

Working experience with version control using Git    Understanding of microservices and RESTful APIs    Basic understanding of the software development lifecycle (planning, development, testing, and release)    Strong problem-solving skills, attention to detail, and a genuine eagerness to learn    Good communication skills and the ability to work well on a collaborative team    Active TS/SCI clearance with Poly    DoD 8570 IAT Level II certification (e.g., Security+ CE)    Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field      
* Desired:
* Exposure to or interest in Large Language Models (LLMs)    Familiarity with Retrieval-Augmented Generation (RAG) concepts    Familiarity with Docker or CI/CD pipelines    Personal projects, internships, or open-source contributions that show your interest in software development

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.
** What You Can Expect:
**** A culture of integrity.
** At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
** An environment of trust.
** CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
** A focus on continuous growth.
** Together, we will advance our nation's most critical missions, build on our lengthy track record of business success,…
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