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Senior Software Developer - JavaOptimiza · Amman

Senior Software Developer - Java

AmmanOn-siteFull-time

AI Summary

Designs, builds and secures domain modules of a fintech system in Java and Spring Boot, implementing BPMN/DMN workflows, REST APIs and government and payment integrations on Oracle, while mentoring engineers and supporting production.

About this role

  • Design and build domain modules of Fintech systems as a modular application in Java and Spring Boot.
  • Implement workflows and business rules on a BPMN and DMN engine.
  • Build and secure REST APIs (OpenAPI 3.1) for the portals, the mobile apps.
  • Build integrations Vi API-Gateway or ESB with government entities, payment providers and Oracle E-Business Suite.
  • Work directly on Oracle DB data model, SQL performance, transactions, Advanced Queuing.
  • Contribute to legacy data migration: mapping rules, reconciliation and cut-over support.
  • Review code, write automated tests, mentor mid-level engineers, and take part in production support during hypercare and warranty.

Requirements

  • At least five years of professional Java development, at least three of them on Spring Boot in production.
  • Modern Java (17 or later; 21 or 25 preferred) and Spring Boot 3, Spring Data JPA, Hibernate, Spring Security and Spring Transactions.
  • Strong Oracle skills: SQL tuning, indexing, PL/SQL reading and writing, and transaction and locking behavior.
  • Strong BPMN skills: Crafting and definition of BPMN workflows with appropriate DMN's and hooks into Java and API's.
  • REST API design (OpenAPI), versioning, idempotency and error handling.
  • Asynchronous messaging (JMS, Oracle AQ, Kafka or RabbitMQ) and reliable integration patterns (retries, outbox, compensation).
  • Authentication and authorization with OAuth 2.0 and OpenID Connect, preferably with Keycloak.
  • Automated testing (JUnit 5, Mockito, Testcontainers) and CI/CD on GitLab or an equivalent; Git discipline.
  • Delivery of at least 2 large transactional system (finance, insurance, banking or government) from build to go-live.
  • Professional Arabic and English, written and spoken.

Strongly preferred

  • BPMN and DMN engines: Camunda 7, Operaton or Flowable.
  • Enterprise-integration frameworks; experience with government integrations (GSB/MoDEE, Sanad) or payment gateways (eFAWATEERcom, JoFotara).
  • Modular monolith or domain-driven design, for example Spring Modulith or bounded contexts.
  • Auditing and traceability, such as Hibernate Envers or immutable audit trails.
  • Fintech domain knowledge.
  • Deployment on Apache Tomcat, embedded and standalone, on Windows Server and Linux; basic Docker.

Nice to have

  • An API gateway (Gravitee, Kong or Apigee).
  • Report generation with the JasperReports Library.
  • Secure coding (OWASP ASVS), SonarQube quality gates, and awareness of Central Bank of Jordan cybersecurity requirements.
  • Enough Angular to work with the frontend team.
  • Oracle or Spring certifications.

Personal qualities

  • Takes ownership of a module from analysis to production.
  • Comfortable in front of the client, explaining technical choices to the client business and IT staff.
  • Writes clear documentation and keeps commitments under fixed wave deadlines.

Benefits

Annual Salary Raise

Annual Bonus

Skills

BPMNDMNGitLab CI/CDHibernateJavaJUnit 5KafkaKeycloakMockitoOAuth 2.0OpenAPIOpenID ConnectOracle Advanced QueuingOracle DBPL/SQLREST APISpring BootSpring Data JPASpring SecurityTestcontainers

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