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About the Role
Join our team as a Senior Software Engineer supporting Department of War (DoW) PPBE applications. You will build and sustain mission-critical defense financial and planning systems, modernizing how the DoW plans, programs, budgets, and executes operations. You will own end-to-end software architecture, from traditional full-stack development to integrating agentic AI capabilities. Strong engineering fundamentals and federal-sector experience are essential for this role.
Responsibilities
- Design, build, and maintain full-stack applications using modern technologies such as React, TypeScript, NodeJS, Python, and .NET
- Lead by example in sound software design, automated testing, code review, and ownership of delivered work
- Mentor and support junior developers through code reviews, pairing, and technical guidance
- Integrate AI-enabled features into production systems, including LLM/GenAI APIs (OpenAI, Anthropic, Bedrock), RAG pipelines, and agentic workflows
- Architect reliable API integrations with strong error handling and graceful degradation
- Troubleshoot and resolve system defects
- Address security vulnerabilities and ensure compliance with DoW cybersecurity standards
- Participate in CI/CD pipelines (GitLab) and collaborative development workflows
- Document technical implementations and stay current with relevant technology developments
Requirements
- Active Secret or Top Secret clearance
- Security+ certification
- Bachelor's degree in Computer Science, Data Science, Mathematics, or a related STEM field
- 10+ years of professional software development experience across the full SDLC
- Direct, recent experience delivering software in the federal sector (DoD/DoW or other federal agencies), with an understanding of the constraints of federal environments
- Direct experience with our technology stack: Python and JavaScript/TypeScript, plus React, NodeJS, and/or .NET
- Demonstrated engineering discipline: sound design, testing, code review, and ownership
- Experience with RESTful APIs and system integration
- Proficiency with Git version control and CI/CD pipelines
- Experience with containerization (Docker, Kubernetes) and at least one major cloud platform (AWS, Azure, or GCP)
- Strong written and verbal communication skills
Skills
- React
- TypeScript
- NodeJS
- Python
- .NET
- LLM/GenAI APIs
- RAG pipelines
- Agentic workflows
- API integrations
- GitLab CI/CD
- Docker
- Kubernetes
- AWS
- Azure
- GCP
- RESTful APIs
- Git
- LLM APIs
- Prompt engineering
- Vector databases
- Orchestration frameworks
- LLM observability
- DoD PPBE processes
- AWS GovCloud
- AWS Bedrock
- Azure OpenAI Service
- Terraform
- Agile methodologies
- Jira
Location
- Unclassified environments
- Classified environments
Work Type
- Full time
Experience Level
- Senior
- 10+ years of professional software development experience
Education Level
- Bachelor's degree in Computer Science, Data Science, Mathematics, or a related STEM field
Salary/Compensations
- $82,100-$172,400
Benefits
- Flexible time off
- Robust learning resources
- Competitive compensation
- Competitive benefits
- Learning and development opportunities
- Comprehensive benefits such as healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits
About the Company
- 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.
- 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.
Equal Opportunity
- 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.