Analyze and remediate large Java codebases to replace legacy SQL with modern SQL.
Convert embedded SQL in Java services and MyBatis mappers, rewriting vendor SQL.
Collaborate with schema and migration engineers to align app SQL with the new schema.
Refactor Java transaction logic, error handling, drivers, and ORM/DAO layers.
Participate in unit, integration, and performance testing to meet SLAs.
Support production cutover activities, including validation and rollback planning.

🎯 Requirements

Bachelor’s degree in Computer Science, Engineering, or related field.
3+ years Java development experience (Spring, JDBC, MyBatis/Hibernate or equivalent).
Experience with application modernization, database migrations, or large-scale refactoring.
Strong SQL expertise; analyze, optimize, and rewrite complex SQL in Java apps.
Deep understanding of JDBC, ORMs, and Java transaction patterns.
Experience on enterprise-grade, high-performance apps with complex data.

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