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# Backend Developer - TS/SCI with Polygraph Required

- **Company:** Core Interface Corporation
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Microsoft Windows, Big Data, Computer Engineering, Linux, DevOps, Elasticsearch, Apache Hadoop, MapReduce, Monitoring of Systems, Python (Programming Language), MongoDB, RabbitMQ, Ansible, Prometheus, Software Engineering, Web Services, Grafana, Apache Spark, Backend, Git, Cloudformation, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Non-relational Database, Apache Nifi, Web Technologies, Api Design, Software Version Control, Docker, Jenkins, Programming Languages
- **Published:** August 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9090914/backend-developer-tssci-with-polygraph-required

## About the Role

* Active TS/SCI with Polygraph
 * U.S. Citizenship
 * Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field, or an equivalent combination of education, technical training, and work/military experience
 * 5+ years of professional software development experience
 * Hands-on experience with modern programming languages such as Java, Python, or JavaScript
 * Experience building APIs and services using REST and related web technologies
 * Working knowledge of relational and non-relational databases
 * Experience with Linux (preferred) or Windows operating systems
 * Familiarity with Git or other source control tools
 * Clear communication skills; comfortable working in a small, collaborative team

Additional Strengths That Stand Out

 * Experience with Big Data technologies such as Hadoop, Spark, or MapReduce
 * Experience with monitoring and observability tools (ELK, Prometheus, Grafana, etc.)
 * Familiarity with containerization and orchestration (Docker, Kubernetes)
 * DevOps experience building and deploying infrastructure with tools like Ansible, Jenkins, or CloudFormation
 * Experience with ElasticSearch, MongoDB, RabbitMQ, or NiFi
 * Prior experience supporting IC or DoD mission environments

Commitment to Inclusion

 * Core Interface is an Equal Opportunity / Affirmative Action employer committed to building a workplace where everyone can contribute and grow.

## Description

* Build and maintain APIs and services supporting data ingest, processing, storage, and delivery
 * Provide ongoing maintenance, support, and enhancements to existing systems and platforms
 * Troubleshoot complex problems and provide technical support for software and application issues
 * Recommend and implement improvements to system performance, reliability, and maintainability
 * Collaborate with other engineers on the team to sustain and advance the organization's technical capabilities


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