Senior Hibernate/JPA ORM Engineer

Industrial Electric Mfg. (IEM) is the largest independent full-line manufacturer of custom power distribution systems in North America. The Senior Hibernate/JPA ORM Engineer is responsible for architecting and optimizing the enterprise persistence layer for Java-based applications, ensuring performance and reliability while collaborating with development teams.

Responsibilities:

• Design, configure, and maintain Hibernate/JPA persistence layers across multiple environments, including cloud-hosted databases
• Develop and optimize entity models, relationships, fetch strategies, and schema mappings aligned with application and business requirements
• Integrate Java persistence with Infor SyteLine V10.x, Salesforce Sales Cloud, and related enterprise systems
• Establish best practices for ORM usage, including naming standards, caching strategies, and transaction handling
• Monitor and optimize persistence performance, reducing database load and improving application responsiveness
• Analyze SQL generated by Hibernate and enhance performance through strategic indexing, batching, lazy/eager loading optimization, and query tuning
• Identify and resolve N+1 issues, excessive joins, inefficient fetch plans, and transaction bottlenecks
• Use Hibernate statistics, profiling tools, and database monitoring utilities to drive continuous improvement
• Design robust transaction management strategies, supporting distributed transactions where required
• Ensure data consistency and reliability across high-availability architectures
• Collaborate on application-level backup and recovery strategies related to data access layers
• Enforce secure coding and ORM best practices to protect sensitive data
• Ensure adherence to data governance, auditing, and regulatory requirements
• Work with the security team to identify vulnerabilities within application-layer data access implementations
• Evaluate and optimize ORM configurations and database interactions to support business growth
• Participate in planning for infrastructure scaling, including cloud migrations and performance load testing
• Enhance storage utilization and query throughput across on-prem and cloud environments
• Diagnose and resolve application-level data access issues, including slow queries, deadlocks, locking, concurrency challenges, and transactional anomalies
• Provide on-call support for critical incidents involving persistence-layer failures or performance degradation
• Ensure rapid resolution and minimal downtime through an established escalation process
• Work closely with Java development teams to support deployments, new features, major refactoring efforts, and platform upgrades
• Provide guidance on JPA/Hibernate best practices, query writing, and data-access patterns
• Lead complex ORM projects ensuring scalability, maintainability, and performance
• Create and maintain comprehensive documentation for ORM architecture, configuration standards, optimization techniques, and troubleshooting procedures
• Mentor and support team members in Hibernate, JPA, and persistence-layer best practices
• Perform other duties as assigned

Requirements:

• 5+ years of professional experience working with Hibernate/JPA in enterprise Java applications, including 3+ years in a senior or lead role
• Expert-level understanding of ORM design, entity modeling, caching, and SQL generation
• Proven experience optimizing ORM performance, including fetch strategies, batching, indexing, and query tuning
• Strong familiarity with relational databases (e.g., MySQL Server, PostgreSQL, MS SQL Server) and how Java applications interact with them
• Excellent communication skills and ability to collaborate cross-functionally
• Strong analytical and critical-thinking skills with consistent on-time delivery
• Bachelor's degree in computer science, software engineering, or equivalent experience
• Experience integrating Java applications with enterprise systems, including ERP solutions like Infor SyteLine V10.x and Salesforce Sales Cloud
• Certifications such as Oracle Certified Professional: Java SE, Spring Professional Certification, or cloud database certifications
• Experience with Infor SyteLine V9.00.30 or V10.x
• Familiarity with NoSQL databases or hybrid persistence architectures
• Experience with enterprise backup tools such as Cohesity DataProtect