Python Developer Jobs in McLean, VA (NOW HIRING)

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

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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, 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 - $218,100

CACI 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.