Job Summary: BIGZON is seeking a Senior Middleware WebLogic, JBoss professional to participate in the design and evolution of platforms, manage teams, and provide support for banking projects. Key Highlights: 1. Participation in the design and evolution of Middleware platforms. 2. Management of Middleware teams and liaison between clients and technical staff. 3. Working in a healthy, collaborative, and goal-oriented environment. 27/02/2026 Hybrid, Madrid Up to 58,000€ At BIGZON, we are recruiting a Senior Middleware WebLogic/JBoss professional (M/F/X) with solid technical experience for a stable project in the banking sector: **RESPONSIBILITIES:** Participate in the design of the Middleware platform. Propose initiatives for platform evolution. Maintain up-to-date documentation for the Middleware platform. Knowledge of client interfaces. Manage Middleware teams in service mode. Act as liaison between clients and technical teams, and among different technical staff. Provide support in project design and monitoring. Perform Root Cause Analysis (RCA) of platform issues. **REQUIREMENTS:** Required experience: More than 5 years in a similar role. **Mandatory:** Application servers (JBoss, WebLogic) Middleware: Tuxedo / Tibco / ActiveMQ Oracle Service Bus **Salary:** up to 58K gross annual **Work modality:** Full on-site presence required for the first 6 months. After this period, 2 days of remote work per week will be permitted. Offices located in the Barajas area, Madrid. At BIGZON — a GREAT WORK ZONE — we value diversity and inclusion. We are committed to creating a workplace where all individuals feel valued and respected. We seek candidates who share these values and are eager to work in a healthy, collaborative, and goal-oriented environment. We look forward to welcoming you!