Oracle Developer/Middleware Engineer

Description du poste 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.

Profil 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 (skilled in 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 (c*omfortable with 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.

À propos d'Inetum Inetum is a European leader in digital services. Inetum’s team of 28,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum’s solutions aim at contributing to its clients’ performance and innovation as well as the common good. Present in 19 countries with a dense network of sites, Inetum partners with major software publishers to meet the challenges of digital transformation with proximity and flexibility. Driven by its ambition for growth and scale, Inetum generated sales of 2.5 billion euros in 2023.

Country

Portugal

Location

Lisbon

Contract Type

Open-ended contract