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

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.

• 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.

• 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 Elastic Search, Postgres.
• Knowledge of spacecraft flight dynamics and orbital propagation.

• 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, Dev Ops, and/or Architect, etc.)
• Experience with Infrastructure as Code (such as with Terraform or Cloud Formation)
• Experience with Typescript.
• Experience building rich data‑driven web applications.
• Familiarity with real‑time communication mechanisms such as Web Sockets.
• Familiarity with Node, Cesium, and/or Open Layers.
• Experience with deployments, Dev Ops, and/or AWS.

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.

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.

Together, we will advance our…