Python Developer: TS/SCI with Poly, Cloud & APIs

CACI International; Chantilly (VA); On-site; USD 104,000 - 218,000; Full time

Job summary

CACI International is seeking a Python Developer to design, build, and test Python applications, APIs, and backend services. You’ll work in a microservices cloud environment, collaborating with teammates and using Git for version control.

The role emphasizes data handling with PostgreSQL and applying best practices across the full SDLC. The ideal candidate has strong Python skills, AWS familiarity, and experience with RESTful APIs, Git, and agile workflows, plus an active TS/SCI clearance with

Qualifications

• 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.

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.

Skills

Python programming

SQL

AI-assisted development

Cloud computing concepts

Git version control

RESTful APIs

Software development lifecycle

Problem solving

Communication

TS/SCI clearance

DoD 8570 IAT II

Bachelor's degree in CS/SE/IT

Education

Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field

Tools

Git

AWS

Docker

CI/CD pipelines

Job description

CACI International is seeking a Python Developer to design, build, and test Python applications, APIs, and backend services. You’ll work in a microservices cloud environment, collaborating with teammates and using Git for version control.

The role emphasizes data handling with PostgreSQL and applying best practices across the full SDLC. The ideal candidate has strong Python skills, AWS familiarity, and experience with RESTful APIs, Git, and agile workflows, plus an active TS/SCI clearance with