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Java Software Developer

Company:
Cornerstone Defense
Location:
Colorado Springs, CO
Posted:
February 28, 2026
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Description:

Location: Colorado Springs, Colorado

Type: Contract

Job #3961 Title: Java Software Developer

Location: Colorado Springs, CO or Remote

Compensation Range: $145,000 - $185,000

Active Secret or Top Secret

Company Overview:

Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

Job Requirements

7+ years of experience with Java and objectoriented architecture/design

Strong background building Java-based microservices using Quarkus or Spring

Hands-on experience with Kubernetes on AWS (EKS), Helm, Docker, and Maven

Expertise in event-driven architecture, Kafka, and Kafka Streams

Deep knowledge of algorithms, data structures, Java Streams, and performance optimization

Experience with TimeFold (OptaPlanner) for constraint solving and optimization

Solid understanding of CI/CD pipelines, observability, and cloud-native best practices

Comfortable working in Agile environments using Jira, Confluence, and Mattermost

Company Benefits:

Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

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