Senior PowerBuilder Developer
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Senior PowerBuilder Developer
Technical leadership and application modernisation
Brussels * Hybrid * 3 days on site per week
Contract options: permanent, fixed-term or freelance | Start: as soon as possible
About the role
Help shape the next chapter of a business-critical application. You will combine hands-on PowerBuilder development and production support with technical leadership, preparing an established client/server platform for a progressive transition to Java and Angular.
The role connects existing application knowledge with future development: understanding how the system works, making its business rules explicit and helping developers carry them into the new platform.
Your responsibilities
- Resolve complex PowerBuilder issues and share production maintenance duties, following agreed support and documentation practices.
- Analyse application components and dependencies, including PBLs, PowerScript, PFC, DataWindows and DataStores.
- Identify business rules, edge cases and redundant behaviour; separate functional requirements from interface logic and historical workarounds.
- Decouple business logic from GUI controls and database access, including embedded SQL, dynamic SQL and stored procedures.
- Work with analysts and business specialists to translate existing behaviour into clear functional and technical specifications.
- Collaborate with Java/Angular developers on REST API contracts and validate regression coverage through characterisation and Golden Master tests.
- Build shared technical documentation, mentor colleagues and use static analysis and AI-assisted tools to maintain traceability between code and specifications.