This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Oracle Infrastructure Maintenance Developer Senior based in the United States. This is a senior software engineering opportunity focused on maintaining, modernizing, and enhancing critical Oracle-based applications in a fully remote environment. You will help evolve enterprise systems with an emphasis on reliability, security, interoperability, privacy, and long-term maintainability. The role combines hands-on Java and Oracle development with application modernization and infrastructure maintenance. You will collaborate closely with technical teams and stakeholders to translate requirements into robust, scalable solutions. A key focus will be upgrading legacy Java technologies and web/application frameworks while preserving business continuity. This position offers the opportunity to work on mission-driven technology initiatives with meaningful operational impact. It is well suited to an experienced developer who enjoys solving complex technical challenges and improving mature enterprise platforms.