Summary: Seeking a Senior Data Migration Engineer to design and implement Java-based tooling for data extraction, transformation, validation, and reconciliation, focusing on UniVerse DB to SQL migration. Highlights: 1. Key role in a phased modernization program for a large US insurance company. 2. Focus on Java-driven migration tooling and data validation. 3. Strong experience with UniVerse DB / MultiValue data models required. ##### **Project description** We are executing a phased modernization program to migrate a legacy enterprise system built on Rocket UniVerse (UniVerse / UniData) database technology and a PowerBuilder client\-server application stack to a modern Java\-based platform with a relational SQL backend for a large US insurance company. As part of this initiative, we are looking for a Senior Data Migration Engineer to play a key role in the data and data\-driven logic migration. The primary responsibility of this role is to design and implement Java\-based tooling for data extraction, transformation, validation, and reconciliation, ensuring that the migrated data in the target Database environment is accurate, consistent, and functionally equivalent to the legacy system. This is a migration\-focused role. Success in this position requires strong experience with Universe DB / MultiValue data models, combined with the ability to build robust, repeatable migration and validation components in Java within a phased or parallel\-run modernization program. ##### **Responsibilities** This role focuses on Java\-driven migration tooling and data validation, combined with deep expertise in Rocket UniVerse.Developer will design and implement Java\-based solutions to extract, transform, validate, and reconcile data and data\-driven business logic from Universe DB, while also accounting for how this data is consumed and interpreted by the legacy PowerBuilder application. ##### **Skills** Must have Java: * Strong experience with Java for backend development, batch processing, or migration tooling * Experience with Java frameworks (Spring / Spring Boot preferred) * Familiarity with data processing, concurrency, error handling, and logging * Ability to design and build reliable, reusable migration and data validation components Universe DB: * Hands\-on experience with Rocket UniVerse (UniVerse and/or UniData) * Strong understanding of: MultiValue data models and record structures DICT files and metadata definitions Data extraction, access patterns, and performance considerations * Experience supporting Universe\-based systems or participating in migration initiatives Databases \& SQL: * Strong SQL skills with experience in relational databases * Practical experience with PostgreSQL or similar platforms * Experience mapping MultiValue data structures to relational schemas * Understanding of data integrity, transactions, indexing, and query performance Nice to have Experience in Universe DB to SQL migration projects Familiarity with ETL concepts and data validation frameworks Basic understanding of Java backend data access patterns Experience working in phased or parallel\-run migrations Exposure to enterprise or regulated environments ##### **Other** Languages English: B2 Upper Intermediate Seniority Senior Remote Spain, Spain Req. VR\-120113 Java HLS \& Consumer industry 26/01/2026 Req. VR\-120113