Lead Java Developer

Must have

7+ years Java, including production Java 8

5+ years Hibernate/JPA with hands-on Hibernate 4.x (legacy, not just modern Spring Boot)

At least one completed Oracle→PostgreSQL (or equivalent) migration on a Java app

Expert Oracle + PostgreSQL SQL — fluent translating NVL, SYSDATE, ROWNUM, DECODE, DUAL, MERGE, CONNECT BY, sequences

Spring 4.x XML configuration and BLOB/CLOB → bytea/text LOB handling

Gradle multi-module builds; PL/SQL → PL/pgSQL conversion

Strongly desired

Grails 5.x / GORM / Groovy · Quartz · HikariCP · Flyway/Liquibase