Senior Java Software Engineer

Position Title: Senior Java Developer

Location: Remote or Hybrid in San Diego, CA, Pensacola, FL, Vienna, VA or Winchester, VA

Position Status: Contract through December 2026

Overview:

We are seeking a highly skilled Senior Java Developer to join our enterprise architecture team focused on building a scalable, event-driven grid. The ideal candidate will have deep expertise in Java (8+), Kafka-based event integrations, and RESTful API development using Spring Boot. You will be responsible for integrating with multiple systems of record to source and publish events across the enterprise.

Responsibilities:

• Design and develop microservices and RESTful APIs using Java and Spring Boot
• Build and manage Kafka event streams for real-time data integration
• Collaborate with system-of-record owners to source and transform event data
• Ensure API compliance with OpenAPI specifications and enterprise standards
• Handle JSON and XML payloads for data exchange
• Write unit tests using JUnit and support functional/non-functional testing teams
• Interact with databases using JPA/Hibernate and SQL (PostgreSQL, MySQL, DB2)
• Participate in architectural reviews and contribute to event-driven design decisions

Required Skills:

• Strong proficiency in Core Java (8+)
• Hands-on experience with Spring Boot and Spring Framework
• Expertise in Kafka topic design and event-driven architecture
• Solid understanding of RESTful API design principles
• Experience with JSON, XML, and OpenAPI documentation tools
• Familiarity with JPA/Hibernate and relational databases (PostgreSQL, MySQL, DB2)
• Experience with ODH and mainframe DB2 integrations is a plus
• Strong testing skills using JUnit

About Seneca Resources:

Seneca Resources is a client driven provider of strategic Information Technology consulting services and Workforce Solutions to government and industry. Seneca Resources is a leading IT services provider with offices in Virginia, Alabama, Georgia and North Carolina that service clients throughout the United States.

We are an Equal Opportunity Employer and value the benefits of diversity in our workplace.