CACI International

Sr Backend Software Developer

CACI International$108K — $227K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance with preference for polygraph
  • Bachelor's degree in Computer Science, Software Engineering, or equivalent
  • 7+ years in software development with significant backend experience using Java
  • Strong familiarity with REST APIs and relational databases like PostgreSQL or MySQL
  • Proven ability to solve complex technical problems and collaborate effectively with cross-functional teams

Responsibilities

  • Design, develop, and maintain scalable backend applications and services using Java.
  • Develop and integrate RESTful APIs, microservices, and data services for mission applications.
  • Implement cloud-native architectures using AWS services, focusing on reliability and security.
  • Optimize data solutions with PostgreSQL, MySQL, and Elasticsearch/OpenSearch.
  • Provide technical leadership through architecture decisions, code reviews, and mentoring in Agile and CI/CD environments.

Benefits

  • Comprehensive healthcare and wellness benefits
  • Financial and retirement support
  • Family support programs
  • Opportunities for continuing education
  • Generous time off policies
Full Job Description
Job Title: Sr Backend Software Developer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

Anticipated Posting End: 11/28/2026

The Opportunity:

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.

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.


Qualifications:
 Required:

  • 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.


Desired:

  • 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.

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What You Can Expect:

 A culture of integrity.

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.

The proposed salary range for this position is:

$108,400 - 227,500 USD

About CACI International

CACI International Inc is a multinational professional services and information technology company. It provides services to many branches of the federal government including defense, homeland security, intelligence, and healthcare. CACI has approximately 23,000 employees worldwide. The company's mission is to provide enterprise and mission technology services and solutions that best fit the needs of its customers. CACI has been named a Fortune World's Most Admired Company, a Washington Post Top Workplace, and a Forbes Best Employer for Diversity.
Learn more about CACI International
Size
22,000 employees
Market Cap
$7.1 billion
Industry
Net Income
$374.4 million
Founded
1962
5 Year Trend
+7.3%
Revenue
$5.8 billion
NASDAQ

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