Backend Developer - TS/SCI with Polygraph Required

• 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

• 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.

• At Core Interface, we believe great software is built by small teams of thoughtful engineers working on meaningful problems.
• Our work supports mission-critical federal programs where the data pipeline - from raw ingest to final display - has to be fast, reliable, and built to last.
• We’re looking for a Backend Developer to join our team.

Core Interface Benefits

• 100% employer-paid medical, dental, and vision (employee + family)
• 401(k) with 6% company contribution
• 4 weeks PTO plus 11 federal holidays
• Paid parental leave
• Government shutdown protection
• Tuition assistance and technical training
• Internet, phone, and fitness reimbursements
• Referral bonuses and spot awards
• Quarterly team events