Frontend Engineering Lead — React/Ext JS Hybrid

Sage is seeking a Frontend Engineering Lead in Barcelona to guide a localisation engineering team. This hands-on role focuses on delivering complex UI work across React and Ext JS, mentoring engineers, and ensuring quality end-to-end. You’ll steer migration toward React while preserving reliability for customers.

The position is hybrid, with 3 days per week in the Barcelona office, and involves delivering architectural decisions, code reviews, and technical direction across multiple UI modules.