##### **Project description** We are running a system modernization initiative to migrate a legacy enterprise application built with PowerBuilder to a modern Java\-based platform for a big US insurance company. ##### **Responsibilities** The main objective of this role is to analyze, extract, validate, and support the migration of business logic from PowerBuilder, as well as to build Python\-based tools and services that enable data migration, logic validation, automation, and integration between the legacy and new systems. ##### **Skills** Must have PowerBuilder: Strong hands\-on experience with PowerBuilder in enterprise or legacy systems Deep understanding of DataWindows, event\-driven logic, and database interaction Ability to analyze complex, poorly documented legacy codebases Experience supporting modernization or migration projects Python: Strong experience with Python for scripting, automation, and backend services Experience with data processing, validation, and comparison frameworks Familiarity with SQL and database connectivity from Python Ability to build reliable tools used by other engineering teams General Technical Skills: Strong SQL skills (Oracle, PostgreSQL, SQL Server, or similar) Experience working with large datasets and business\-critical systems Ability to document legacy logic clearly and unambiguously Nice to have Prior experience in PowerBuilder migration projects Experience building migration or reconciliation frameworks Knowledge of batch processing, reporting, or ETL pipelines Familiarity with REST APIs (consumer level, not necessarily implementation) Experience working in parallel\-run or phased cutover migrations Experience in working with Rocket UniVerse DB ##### **Other** Languages English: B2 Upper Intermediate Seniority Senior Remote Spain, Spain Req. VR\-119987 Python HLS \& Consumer industry 07/01/2026 Req. VR\-119987