Senior Software Engineer

Job Title: Senior Software Engineer

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: 4/18/2026

The Opportunity:
We are seeking a skilled Senior Software Developer to join our dynamic team working on the Makalu contract. This role involves building and maintaining highly used and critically important cloud-native applications that provide Situational Awareness and Collaboration capabilities. The ideal candidate will have a strong background in Java and/or JavaScript development, along with experience in modern software development practices and cloud technologies.

Responsibilities:

• Solve challenging technical problems and meet program objectives within the agile development cycle.
• Suggest ways to improve the architecture and software baseline.
• Work on a complex near real-time web-app development team based on cloud architecture.
• Help maintain the existing architecture and code base.
• Design new features, services, and interfaces.
• Contribute to a positive and upbeat team atmosphere.
• Collaborate with cross-functional teams in an Agile environment.
• Implement and work with microservices architecture in cloud environments.
• Contribute to the full software development lifecycle, from conception to deployment.
• Ensure code quality through testing and code reviews.
   

Qualifications:

Required:

• Active TS/SCI clearance with a polygraph
• Bachelor’s degree in Computer Science, a related major, or graduation from a coding bootcamp.
• 10+ years of relevant experience.
• Experience working with Linux or similar Operating Systems.
• Experience working as a member of a development team participating in the complete product development lifecycle.
• Familiarity with Agile software development methodologies.
• Demonstrated Java and JavaScript programming experience in a Unix/Linux environment.
• Familiarity with Amazon Web Services (AWS).
• Familiarity with continuous integration and software CM processes/tools (Argo, GIT, JIRA, Confluence).
• Experience applying industry best practices to ensure system performance, reliability, scalability, and security.
• Strong troubleshooting/problem-solving skills.
• Effective communication skills.
• Time management and organizational skills, including the ability to work in a dynamic, real-time environment with rapidly changing priorities. Must be able to multi-task and work independently with minimum supervision to meet deadlines.
• Experience with microservice architectures.
• Familiarity with build tools (e.g., gradle, maven).
• Security+ or other IAT II qualified security certification (within 3 months of hire).
• Strong Understanding of ElasticSearch, Postgres.
• Knowledge of spacecraft flight dynamics and orbi propagation.

Desired:

• Experience using Java Spring Boot framework.
• Development experience defining, developing, and maintaining REST-based interfaces.
• Experience with Container orchestration frameworks such as Docker and Kubernetes.
• Bonus if you have experience with networking, Redis, Kafka, Grafana, ELK stack (Elasticsearch, Logstash, Kibana).
• AWS Certification (Developer, DevOps, and/or Architect, etc.)
• Experience with Infrastructure as Code (such as with Terraform or CloudFormation)
• Experience with Typescript.
• Experience building rich data-driven web applications.
• Familiarity with real-time communication mechanisms such as WebSockets.
• Familiarity with Node, Cesium, and/or OpenLayers.
• Experience with deployments, DevOps, and/or AWS.

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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 purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance