Python Developer
CACI Open At a glance
Mid-level Backend Engineering role at CACI. Chantilly · full-time · $103,800–$218,100 base.
techroles summary, based on the employer's posting.
What you'll do
- Build and troubleshoot Python applications, APIs, automation scripts and backend services
- Use Git to track changes and review code as you work alongside other developers
- Store and retrieve application data with SQL, including work with PostgreSQL
- Contribute to cloud-hosted microservices through planning, implementation, testing and release
- Turn team requirements into working solutions and document the work for future developers
What you bring
- You hold an active TS/SCI clearance with polygraph and a DoD IAT Level II certification
- You have a bachelor's degree in computer science, software engineering, information technology or a related area
- You can develop in Python and use Git, SQL, AWS concepts, microservices and REST APIs
- You have used agentic coding tools or AI-assisted development and understand the software development lifecycle
Who this fits
This mid-level role suits a collaborative Python developer who is eager to learn and can communicate clearly. It requires an active TS/SCI clearance with polygraph and DoD IAT Level II certification. The position is based in Chantilly, and the listing states that travel is not required.
From the employer
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
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, and find opportunities to break new ground — in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$103,800 - $218,100CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
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