Java Developer

Rumos SA

Lisbon, Lisbon, Portugal Full-time July 09, 2026

Found Description

Workplace: Lisbon (Hybrid)

Profile:

Degree in Computer Engineering, Computer Science, Mathematics, or a related field;

Minimum of 2 years of professional experience in similar roles;

Experience in developing Java back-end services and React.js front-end components;

Experience developing Full Stack features across Java services and React.js components;

Experience implementing and maintaining RESTful and GraphQL APIs according to OpenAPI standards;

Strong knowledge of Okta, SSO, and OIDC, including authentication flow integration, scope configuration, and claims management;

Good knowledge of Keycloak, Okta, and OIDC for IAM flow integration;

Experience implementing event-driven architectures using AWS SQS and Solace;

Experience implementing unit and integration tests;

Experience using SonarQube, Snyk, quality gates, and structured code review processes;

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