Java Product Engineer

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Diaconia

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

🔒 Cybersecurity

🤖 Artificial Intelligence

Cybersecurity • Cloud Computing • Artificial Intelligence

Diaconia is a technology-focused company that specializes in designing, creating, maintaining, and supporting a range of IT solutions. Their services include cybersecurity, system development, cloud computing, data analytics, and business process automation, primarily aimed at government organizations. Diaconia emphasizes innovative partnerships and advanced technology integration, leveraging artificial intelligence and modern software methodologies to improve organizational efficiency and client services.

📋 Description

• Design, develop, test, maintain, and modernize enterprise Java applications. • Build scalable REST APIs and backend microservices using Java Spring Boot. • Design and develop full-stack web applications using modern front-end frameworks (React, Angular, or similar). • Analyze legacy applications (Java, C/C++, COBOL, Pro*C, Oracle, or similar) and support modernization efforts. • Develop data access layers using Spring Data JPA, Hibernate, and JDBC. • Utilize direct SQL/JDBC where performance or flexibility requires it. • Design scalable, maintainable, and secure application architectures. • Develop complex SQL queries, PL/SQL, stored procedures, and batch processing solutions. • Optimize Oracle (or other relational database) performance. • Design efficient database access patterns using JPA/Hibernate and JDBC. • Perform query optimization and performance tuning. • Develop enterprise microservices using Spring Boot. • Build cloud-native applications deployed in Docker, Kubernetes, or OpenShift environments. • Design and consume RESTful APIs. • Participate in enterprise integration and distributed systems development. • Write clean, maintainable, well-documented code. • Develop automated unit and integration tests using JUnit and Mockito. • Participate in code reviews and architecture reviews. • Utilize SonarQube and static code analysis tools. • Troubleshoot production issues through application logs, debugging, and root cause analysis. • Continuously improve application quality, maintainability, scalability, and security. • Build and support CI/CD pipelines using Jenkins, Maven, Git, or similar tools. • Support production deployments and release activities. • Implement monitoring, logging, and performance optimization best practices. • Own features from design through post-production support.

🎯 Requirements

• Bachelor's degree in Computer Science, Information Systems, or related field (or equivalent experience). • 5+ years of enterprise Java application development experience. • Strong proficiency with Java 17 or later. • Extensive experience with: Spring Boot, Spring Framework, Spring MVC, Spring Data JPA. • Strong understanding of: Hibernate, JPA, Entity relationships, Lazy/Eager loading, Transaction management. • Strong JDBC experience including: Complex SQL, Batch processing, Performance optimization. • Strong Oracle or relational database experience. • Experience developing RESTful APIs. • Experience building enterprise microservices. • Experience with Maven, Git, and CI/CD pipelines. • Experience writing automated unit/integration tests using JUnit and Mockito. • Experience troubleshooting production issues and debugging enterprise applications. • Strong understanding of: Object-Oriented Design, Design Patterns, Clean Coding Principles. • Experience working within Agile/Scrum development teams. • Excellent verbal and written communication skills. • U.S. Citizenship (required by contract).

🏖️ Benefits

• Professional development opportunities