Senior Backend Software Engineer

CACI International•Aurora, CO

3d•$82,100 - $172,400•Onsite

About The Position

CACI is seeking a talented and motivated Backend/Services Software Engineer to join our dynamic development team. This role is ideal for a mid-career developer who is passionate about building scalable, reliable, and high-performance cloud services. You will be responsible for designing, developing, and implementing modern Java and Python microservices that run within a modern orchestration and cloud environment (such as AWS). If you are eager to learn, enthusiastic about problem-solving, and ready to make a significant impact on our core product architecture, we would love to hear from you!

Requirements

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

Nice To Haves

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)

Responsibilities

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