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API Java Python Developer, Senior Security Clearance

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: CGI
Full Time position
Listed on 2026-01-08
Job specializations:
  • Software Development
    Cloud Engineer - Software, Software Engineer, Backend Developer, Python
Job Description & How to Apply Below
Position: API Java Python Developer, Senior with Security Clearance
Position

Description:

CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector, advancing the national security mission through cutting-edge technology. We are seeking individuals with a passion for keeping pace with rapidly evolving technology advancements and leveraging their knowledge on a highly collaborative team to deliver state-of-the-art capabilities. The API/Java/Python Developer is responsible for the design, development, and maintenance of software applications and APIs using Java and Python programming languages.

This role often involves a combination of backend development, API integration, and sometimes includes aspects of cloud-based solutions. This position is located in Arlington, VA, a hybrid working model is acceptable.

Key Responsibilities:

Software Development:
Design, develop, test, and deploy robust and scalable applications and APIs using Java and Python. This includes writing clean, efficient, and well-documented code.
-API Design and Integration:
Design and implement RESTful APIs and microservices, ensuring secure and efficient communication between different systems and applications. This also involves integrating third-party APIs and services.
-Database Management:
Work with various database systems (e.g., SQL and No

SQL databases like Postgre

SQL, Mongo

DB, MySQL) for data storage and retrieval.

- Collaboration:

Collaborate with cross-functional teams, including frontend developers, product managers, and QA teams, to define requirements, integrate components, and ensure seamless functionality.
-Performance Optimization and Security:
Optimize code and system performance, troubleshoot issues, and ensure adherence to security best practices in data handling and API authentication.
-Cloud Integration (Optional):
If applicable, implement and integrate cloud services and APIs (e.g., AWS, Azure) for cloud-native solutions and deployments.
-Maintenance and Support:
Provide ongoing support, maintenance, and enhancements for existing applications and APIs. Skills &

Qualifications:

Senior Level
-Bachelor's degree and/or 5 to 8 years of experience.
-Active TS/SCI and the ability to obtain and maintain a TS/SCI with CI Poly
-Proficiency in Java and/or Python programming languages and associated frameworks (e.g., Spring Boot, Flask, Django).
-Strong understanding of API architectural styles (e.g., REST, Graph

QL, SOAP) and experience with API development tools (e.g., Postman, Swagger UI).
-Familiarity with database systems (SQL and/or No

SQL).

- Experience with version control systems like Git.
-Knowledge of software development methodologies (e.g., Agile, Scrum).
-Problem-solving skills and the ability to work independently and collaboratively.

- Experience with cloud platforms (e.g., AWS, Azure, GCP).
-Familiarity with containerization technologies (e.g., Docker, Kubernetes). Skills &

Qualifications:

SMS Level

• Education and/or

Experience:

Bachelor's degree and/or 10+ years of experience

• Security Clearance:
Active TS/SCI and the ability to obtain and maintain a TS/SCI with CI Poly

• Proficiency in Java and/or Python programming languages and associated frameworks (e.g., Spring Boot, Flask, Django).

• Strong understanding of API architectural styles (e.g., REST, Graph

QL, SOAP) and experience with API development tools (e.g., Postman, Swagger UI).

• Familiarity with database systems (SQL and/or No

SQL).

• Experience with version control systems like Git.

• Knowledge of software development methodologies (e.g., Agile, Scrum).

Problem-solving skills and the ability to work independently and collaboratively.

• Experience with cloud platforms (e.g., AWS, Azure, GCP).

• Familiarity with containerization technologies (e.g., Docker, Kubernetes). CGI Federal is growing its high-performance team whose members share a passion for building high-quality, scalable, advanced IT solutions in a collaborative, fast-paced, outcome-driven mission. This position requires a proactive individual with strong technical skills and the ability to manage and improve processes effectively. CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for…
Position Requirements
10+ Years work experience
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