Mid Java Backend Developer (Java)

Location: Lisbon, Portugal; hybrid with 3 days per week at the office

What you will do

• Design and implement scalable Java microservices for Checkout, MyAccount, and ODR Processing features.
• Own the full feature lifecycle, including architecture discussions, implementation, testing, code review, and deployment.
• Integrate and configure Keycloak and Okta IAM flows with OIDC, RBAC, and token customization.
• Build and maintain RESTful and GraphQL APIs with complete OpenAPI documentation.
• Implement event-driven patterns using AWS SQS and Solace messaging.
• Mentor junior engineers and support knowledge transfer within the squad.

Requirements

• Professional experience developing backend applications with Java and microservices.
• Experience with RESTful and GraphQL APIs and OpenAPI documentation.
• Knowledge of Keycloak, Okta, OIDC, RBAC, and token customization.
• Experience with AWS SQS, Solace, testing, code reviews, SonarQube, and Snyk.
• Portuguese and English language skills are required.

Culture & Benefits

• Health insurance.
• Personalized training plan with a dedicated training budget.
• Regular feedback and opportunities for professional growth.
• Remote onboarding process.
• Semester team events and partner discounts.
• Culture of proximity and transparency.