Sr Backend Software Developer

CACI International•Denver, CO

6d•$108,400 - $227,500•Onsite

About The Position

CACI is seeking a Senior Backend Software Developer for the GEOINT Tradecraft Suite (GTS), a mission-critical platform delivering advanced geospatial intelligence capabilities to national security users. In this role, you will design and develop scalable backend services that support mission applications, data processing, search, and integration across the GTS platform. You will work closely with software engineers, product owners, DevSecOps engineers, mission users, and program leadership to translate operational needs into reliable software solutions. This position offers the opportunity to influence backend architecture, establish development best practices, and deliver capabilities used across the GEOINT community.

Requirements

Hold an active TS/SCI clearance; a polygraph is preferred.
Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field, or equivalent experience.
7+ years of software development experience, including significant hands-on experience developing backend applications and services using Java.
Strong experience with REST APIs, relational databases such as PostgreSQL or MySQL, Elasticsearch/OpenSearch, Git, and modern software development practices.
Demonstrated ability to independently solve complex technical problems and collaborate effectively with engineers, product owners, DevSecOps teams, and mission stakeholders.

Nice To Haves

Experience developing and deploying applications using AWS services and cloud-native architectures.
Experience with Spring Boot, microservices, containerization, and Kubernetes or similar orchestration technologies.
Experience designing and implementing search and data discovery solutions using Elasticsearch or Amazon OpenSearch Service, including indexing strategies and query optimization.
Experience supporting GEOINT, ISR, intelligence analysis, or other national security mission systems.
Experience mentoring developers and helping establish backend architecture, coding standards, and engineering best practices.

Responsibilities

Design, develop, and maintain scalable backend applications and services using Java and related server-side technologies.
Develop and integrate RESTful APIs, microservices, and data services supporting mission applications and workflows.
Design and implement solutions using AWS services and cloud-native architectures, with a focus on reliability, scalability, and security.
Develop and optimize data solutions using relational databases such as PostgreSQL and MySQL, as well as Elasticsearch/OpenSearch, including data modeling, queries, indexing, search, and performance optimization.
Provide technical leadership through architecture decisions, code reviews, troubleshooting, development standards, and mentoring while supporting Agile and CI/CD delivery practices.