Job Title: Senior Backend Software Engineer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
Anticipated Posting End: 8/31/2026
Responsibilities:
As a Senior Software Engineer, your responsibilities include:
• Writing, building, deploying, and maintaining diverse software applications
• Overseeing and guiding the requirements analysis, writing, building, and deployment of software
• Overseeing automated testing and providing feedback to management during the development process
• Modifying and testing changes to previously developed programs
• Collaborating effectively within a software engineering team
Qualifications:
Required:
• At least 5 years of professional software development experience and working proficiency in Python and/or Java
• Experience with lightweight frameworks such as FastAPI, Flask, Quarkus, or Spring Boot
• Proficiency with software packaging tools (uv, pip, Maven, etc.)
• Comprehensive testing experience, including unit tests (e.g., pytest, JUnit), system tests, and integration tests
• Proficiency with various data storage solutions (PostgreSQL, MongoDB, AWS or Azure cloud storage services)
• Experience with source control tools (e.g., Git, GitLab)
• Experience implementing and managing CI/CD pipelines using tools such as GitLab CI/CD or Jenkins
• Experience containerizing and deploying applications using Docker and Kubernetes
• Ability to work in office full time
• Bachelor's degree in computer science or related field
• Active TS/SCI U.S. Government Security Clearance
Desired:
• Strong knowledge of GEOINT (Geospatial Intelligence) data collection and distribution paradigms, including overhead intelligence
• Experience developing Agentic AI solutions using open-source frameworks (e.g., DSPy, Microsoft AutoGen, LangGraph, CrewAI)
• In-depth knowledge of and practical experience with standard AWS managed services (S3, ECS, EC2, Lambda, Step Functions, DynamoDB, OpenSearch)
• Experience with ArgoCD or GitOps deployment workflows
• Experience with Government Clouds (e.g., GovCloud, C2S)
• Experience with DevSecOps and Agile Scrum software development methodology, including tools like Jira and Confluence
• IAT Level II or III certification (e.g., Security+, CISSP, or CASP)
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.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$82,100-$172,400
