Java & Database Developer (Hybrid/Local REQUIRED)
Info-Matrix Corporation Upper Allen Township, Pennsylvania, United States
IT Services and IT Consulting · 51-200 employees
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About the role
The developer will maintain and enhance Java-based services and relational database systems to support critical business integrations. Responsibilities include troubleshooting production incidents, performing database tuning, and implementing refactoring in legacy applications while ensuring data integrity.
What they look for
Requirements
Candidates must have 3-5 years of professional experience in Java development and relational database management, specifically with Spring Boot and complex SQL. Proficiency in enterprise integration patterns and a willingness to work on-site in Mechanicsburg, PA, are required.
Full description
Info-Matrix Corporation is seeking a Java & Database Developer with approximately 3-5 years of experience to support business-critical services that exchange information between court case management systems and external agencies. This position focuses on Java development and relational database development, along with enterprise integrations and production operations. The work includes Spring Boot, Spring Batch, IBM MQ, REST APIs, scheduled workflows.
The successful candidate will maintain existing Java and database systems, support production operations, troubleshoot application, data, and integration issues, resolve defects, and implement targeted enhancements and controlled refactoring in legacy applications while preserving established business behavior, data integrity, and integration contracts. Following initial training, teleworking up to two days per week may be available.
**MUST BE A US CITIZEN OR GC HOLDER**
Key Responsibilities
- Database development: Develop, debug,
maintain, and tune SQL, complex stored procedures, views, triggers, and related database business logic.
- Java Development: Develop and maintain
Spring Boot services, REST APIs, message-based integrations, batch processes, and supporting service-layer code.
- Production support: Investigate
application issues, data discrepancies, failed integrations, and production incidents, including weekly on-call rotation.
- Integration support: Support IBM MQ, APIs,
messaging, file-transfer, notification, and scheduled-processing workflows across connected application systems.
- Reliability improvements: Improve performance,
stability, logging, maintainability, availability, and recovery across database and Java components.
- Legacy Application Maintenance: Diagnose defects,
trace existing business logic, implement targeted fixes and enhancements, refactor Java and database code carefully, and improve performance without disrupting existing integrations.
- Testing and review: Test, debug, review,
and validate database and Java changes before release according to established procedures.
- Cross-team collaboration: Work with analysts,
testers, DBAs, developers, and operations staff to deliver reliable changes.
Requirements
- Experience level: 3-5 years of
professional experience developing and supporting Java applications and relational databases, including significant hands-on relational database development.
- Java and Spring Boot: Ability to develop
and maintain Spring Boot services, REST APIs, Spring batch processes, JDBC/JPA access, and configuration.
- Application integration and
distributed systems: Experience supporting REST APIs, IBM MQ or another enterprise messaging platform, message-based workflows, scheduled jobs, secure transfers, and application logs, with an understanding of service dependencies, failover, retries, timeouts, idempotency, and recovery.
- SQL and database skills: Significant hands-on
experience developing, debugging, and maintaining complex stored procedures and database business logic, including triggers, views, joins, scripts, query tuning, and data reconciliation.
- Database platform experience: Working knowledge of
SAP ASE/Sybase or a comparable relational database platform.
- Production support: Ability to diagnose
issues, communicate status clearly, and deliver accurate fixes with minimal oversight.
- Build and testing: Working knowledge of
Maven, unit testing, mocking frameworks, and code review practices.
- Communication and ownership: Ability to explain
technical findings and take ownership of complete, tested work.
Preferred Technology and Experience
- Modern Java stack: Java 17 or newer,
Spring Boot 3.x, Spring Web, Spring Batch, JDBC/JPA, REST APIs, messaging, monitoring, and structured logging.
- Database connectivity and
operations: JDBC, connection pooling, multiple data source configuration, and production database troubleshooting.
- Integration patterns: API integration,
message-based processing, stored procedure integration, scheduling, email, file publishing, and FTP/SFTP-style support.
- Database Stack: Experience with
Microsoft SQL Server T-SQL, Oracle PL/SQL, or another comparable procedural SQL environment may be considered transferable to SAP ASE/Sybase.
Supplementary Technical Experience
- Containers & Orchestration: Docker
containerization with familiarity in Kubernetes or OpenShift.
- CI/CD & Version Control: Git, Jenkins, Azure
DevOps, GitHub Actions, or comparable automation tools.
- Observability & Logging: Application
monitoring using Splunk, ELK stack, Prometheus, Grafana, OpenTelemetry, or distributed tracing.
- Application Security: OAuth2/OIDC, JWT,
mutual TLS, certificates, and secrets management.
- Integration Testing & Mocking: Testcontainers,
WireMock, contract testing, Selenium, or Cypress.
- System Scripting & Operations: Linux/Unix shell
scripting, PowerShell, load testing, or capacity planning.
- Frontend Exposure: Familiarity with
React, Angular, Vue, TypeScript, HTML, or CSS for end-to-end troubleshooting.
- Delivery & Practices: Agile/Scrum
methodologies, pull request workflows, peer reviews, issue tracking, and technical documentation.
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