We are looking for an Oracle Developer & Middleware Engineer to support mission‑critical Oracle applications in a 24/7 multi‑customer environment. You will work with PL/SQL, Oracle APEX, Oracle Forms, ORDS, WebLogic and OSB to ensure reliable integrations, stable performance and smooth deployments, collaborating closely with the Oracle DBA team in a highly industrialized production setting.
Responsibilities:
• Design and evolve Oracle architectures — Shape PL/SQL, APEX, Forms, ORDS, WebLogic and OSB components, ensuring robust integration and scalable designs;
• Perform advanced L3 troubleshooting — Resolve complex application, middleware and SQL issues through deep‑dive analysis and cross‑team collaboration;
• Optimize performance — Improve response times and reliability through SQL tuning, PL/SQL optimization, indexing strategies and workload analysis;
• Ensure HA/DR readiness — Align applications and middleware with Data Guard, RAC, failover and recovery requirements;
• Lead major changes — Drive upgrades, migrations, deployments and modernization initiatives with safe rollback and controlled execution;
• Support on‑call operations — Intervene in critical incidents to restore service quickly in a 24/7 production environment;
• Automate and industrialize — Build scripts and tools to streamline deployments, configuration, testing and recurring operational tasks;
• Apply secure development practices — Enforce strong authentication, authorization, encryption and auditing across all Oracle components;
• Document and share expertise — Maintain clear technical documentation and contribute to team knowledge and mentoring.
Lisbon, Portugal Hybrid Full-time