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# Backend Developer

- **Company:** MatchPoint Solutions
- **Location:** Maryland Heights, MO, United States (Remote available)
- **Experience:** Expert
- **Salary:** $166,400.0 - $176,800.0
- **Contract:** Temporary to permanent
- **Skills:** Java (Programming Language), Spring Security, Application Programming Interfaces (APIs), Business Logic, Audit Trail, Unit Testing, Checkstyle, Data Security, Java Database Connectivity, Junit, Kerberos (Protocol), Apache Maven, MongoDB, Oracle (Applications), Mockito, Swagger, Security Information and Event Management, SONAR (Symantec), SonarQube, Openapi, Data Logging, Spring Cloud, Spring-boot, Cyber Threat Analysis, Backend, Spring Data, Gitlab-ci, Integration Tests, Front End Software Development, Pagination, Splunk
- **Published:** September 25, 2026
- **Apply:** https://www.careerjet.com/jobad/us7ace7a73dc3b7218fae0cbb03517550c

## About the Role

* Strong Java 21 / Spring Boot experience, comfortable with Spring Data (JDBC + MongoDB) in the same codebase
 * Experience with Feign or similar declarative HTTP clients, and integrating third-party security platforms (Splunk, Illumio, or similar SIEM/segmentation tools a plus)
 * Familiarity with enterprise Kerberos/JWT-based authentication
 * Solid testing discipline: JUnit 5, Mockito, MockServer/REST Assured for integration-level tests
 * Comfortable working in an enterprise SSO/corporate-proxy environment with GitLab CI, Sonar/Checkstyle gates

## Description

Backend Developer - Cyber Threat Dashboard API Tech Stack

 * Java 21, Spring Boot 3.5.x, Maven
 * Spring Data JDBC/JDBC (Oracle via ojdbc11), Spring Data MongoDB, Spring Session (Mongo-backed)
 * Spring Cloud OpenFeign (+ Feign HttpClient) for calling Splunk/Illumio and other external services
 * ShedLock (JDBC provider) for distributed scheduled-job locking
 * Caffeine caching, Micrometer metrics, Splunk logging appender
 * Spring Security with Kerberos client and JWT-based auth (nimbus-jose-jwt)
 * springdoc-openapi (Swagger UI)
 * JUnit 5, Mockito, MockServer (Netty), REST Assured, Awaitility, H2 for test-time persistence
 * JaCoCo coverage, Checkstyle, Spotless (formatting/import-order gate on changed files), SonarQube

Responsibilities

 * Design and implement REST endpoints backing the UI's workload, traffic-investigation, service, rules, and approval-workflow screens
 * Build and maintain Feign clients and enrichment logic integrating Splunk and Illumio data into internal domain models
 * Implement rules and approval-workflow business logic, including validation and audit trail
 * Write scheduled jobs where needed (ShedLock-coordinated) for periodic sync/reconciliation tasks
 * Maintain Oracle (JDBC) and MongoDB data access layers; manage schema/migration concerns
 * Write JUnit/Mockito unit tests and REST Assured integration tests; keep JaCoCo coverage and the Sonar gate green; follow Checkstyle/Spotless formatting standards
 * Keep OpenAPI/Swagger documentation current for consumers, notably the frontend team
 * Coordinate with frontend developers on API contract, pagination, error-response shape, and the auth/permission model