TS/SCI Middleware & Backend Engineer (Java/Spring/AWS)

Probity Inc.; Chantilly (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Probity Inc. seeks a full stack developer to support a backend development team focusing on middleware and backend services. The role requires hands-on work with big data tech (Spark/PySpark), Solr/Elasticsearch, and AWS services, plus Java 8+ and Spring Boot RESTful APIs on Linux environments.

An active Top Secret/SCI clearance with polygraph is mandatory. Responsibilities include designing, developing, and deploying middleware and backend code to production systems, collaborating with the

Qualifications

• Experience with big data technologies (Spark/PySpark).
• Hands-on with Solr or Elasticsearch, including index loading and cluster setup.
• Experience with data quality analysis.
• Proficient in RegEx usage for data parsing and validation.
• Experience with several AWS services.
• Java 8+ development experience (upgrading to Java 17 planned).
• Familiar with JIRA and GitHub workflows.
• Experience with Spring Boot and RESTful APIs.
• Linux/CentOS administration experience.
• Design, develop, and deploy middleware/backend for production systems.

Skills

Big data technologies (Spark/PySpark)

Solr/Elasticsearch index management

Data quality analysis

Regular Expressions (RegEx)

AWS services

Java 8+

JIRA & GitHub

Spring Boot & RESTful APIs

Linux (CentOS)

Middleware/backend design/deploy

Job description

Probity Inc. seeks a full stack developer to support a backend development team focusing on middleware and backend services. The role requires hands-on work with big data tech (Spark/PySpark), Solr/Elasticsearch, and AWS services, plus Java 8+ and Spring Boot RESTful APIs on Linux environments.

An active Top Secret/SCI clearance with polygraph is mandatory. Responsibilities include designing, developing, and deploying middleware and backend code to production systems, collaborating with the