Oracle Developer/Middleware Engineer
Hybrid · Lisbon, Lisbon, Portugal
Job Summary
Oracle Developer & Middleware Engineer to support mission-critical Oracle applications in a 24/7 multi-customer environment. Responsible for shaping PL/SQL, APEX, Forms, ORDS, WebLogic and OSB architectures; performing advanced troubleshooting; optimizing performance; ensuring HA/DR readiness; leading upgrades/migrations/deployments; supporting on-call operations; automating deployments and configurations; applying secure development practices; and documenting knowledge for team mentoring. Requires 5–10+ years in PL/SQL/SQL/APEX/Forms/ORDS/WebLogic/OSB in production contexts, multi-customer experience, familiarity with Data Guard/RAC and deployment/recovery implications, and strong communication in English (French/Dutch a plus). Hybrid remote in Lisbon, Portugal.
Required Qualifications
- 5–10+ years working with PL/SQL, SQL, APEX, Forms, ORDS, WebLogic and OSB in business‐critical environments
- Strong understanding of Oracle middleware runtime behavior, deployments, APIs and integration flows
- Multi‐customer experience (Background in MSP, outsourcing or shared‐service environments is highly valued)
- Familiarity with schemas, grants, transactions, locking, Data Guard/RAC constraints and backup/recovery implications
- Performance tuning capability (execution plan analysis, indexing strategies, statistics, bind variables and diagnosing SQL/PLSQL performance issues)
- Ability to interpret AWR, ASH, ADDM, SQL Monitor and correlate application/middleware behavior with DB, WebLogic, ORDS and OSB metrics
- Experience with controlled deployments, rollback scripts, data migrations and environment promotion
- Linux and runtime troubleshooting (AIX/RHEL environments, shell scripting, log analysis and runtime investigation)
- Knowledge of WebLogic domains, managed servers, JDBC data sources, OSB flows and ORDS runtime behavior
- Experience with Git, CI/CD tools, SQL Developer, SQLcl, APEX export/import, Forms and ORDS deployment automation
- Analytical, calm under pressure and collaborative in multi‐team environments as well as strong written and verbal communication with technical and non‐technical stakeholders
- English required; French or Dutch are a plus.
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