Java Developer

About the role

Join Harris' STChealth team to design and develop Java‑based applications that support vaccine intelligence and immunization data management. You will work remotely from Costa Rica, collaborating with cross‑functional teams across multiple business verticals.

Key responsibilities

• Develop, test, and maintain Java applications using J2EE technologies such as Servlets, Struts, JSP, JDBC, and Spring.
• Design and optimise database queries and stored procedures for Oracle and other relational databases.
• Collaborate with product, QA, and operations teams to define, design, and ship new features.
• Troubleshoot, debug, and resolve application issues while ensuring performance, scalability, and security.
• Participate in Agile ceremonies, including sprint planning, code reviews, and test‑driven development.
• Create and maintain automated unit, integration, and end‑to‑end tests.

Required profile

• Minimum 6 years of software development experience, with at least 5 years focused on Java development.
• Strong background in Agile methodologies and test‑driven development (minimum 4 years).
• Experience with relational databases, especially Oracle (minimum 3 years).
• Familiarity with AI coding assistance tools such as Claude or Copilot (minimum 1 year).
• Exposure to HL7 standards and US healthcare domain is a plus.

Required skills

• Java (J2EE), Servlets, Struts, JSP, JDBC, Spring
• SQL, Oracle, relational database design
• REST, SOAP, XML‑RPC web services
• Agile, Scrum, test‑driven development
• AI coding assistance tools (Claude, Copilot)
• HL7 (preferred)