Senior Software Engineer

Job Title:

Senior Software Engineer Job Category:
Engineering Time Type:
Full time Minimum Clearance Required to Start:
Secret Employee Type:
Regular Percentage of

Travel Required:

None Type of Travel:
None*
*
* The Opportunity:

Join our team as a Senior Software Engineer supporting Department of War (DoW) PPBE (Planning, Programming, Budgeting, and Execution) applications. You'll help build and sustain mission-critical defense financial and planning systems that modernize how the DoW plans, programs, budgets, and executes operations. End-to-end software architecture is yours to own, from traditional full-stack development to integrating agentic AI capabilities such as LLM-enabled features and intelligent document processing, and more.

Strong engineering fundamentals and federal-sector experience are essential, because this position helps balance a growing team by setting the standard for design, testing, code review, and ownership. Work is performed in both unclassified and classified environments.

Responsibilities:

Design, build, and maintain full-stack applications using modern technologies such as React, Type Script, 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, alongside the team's established patterns 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 (Git Lab) and collaborative development workflows Document technical implementations and stay current with relevant technology developments

Qualifications:

Required:

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/Type Script, 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 Desired:

Interest in or exposure to AI-enabled software engineering, including LLM APIs, prompt engineering, RAG architectures, agentic patterns, vector databases (Chroma, Weaviate, pgvector), orchestration frameworks (Lang Graph, Agno, CrewAI), LLM observability (Phoenix, Lang Fuse, Lang Smith) Knowledge of DoD PPBE processes, defense budget formulation (POM, BES, J-Books, FYDP), or DoD financial systems (e.g., NGRMS, GFEBS, DAI, DEAMS)

Experience with AWS Gov Cloud, AWS Bedrock, or Azure OpenAI Service Working knowledge of Kubernetes, Terraform or other IaC tools Familiarity with ATO processes, NIST frameworks, or FedRAMP Familiarity with Agile methodologies (Jira)
-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…