Lead Full Stack Engineer (Java + React)

We are looking for a highly skilled Lead Full Stack Engineer with strong experience in Java and React to contribute to the development of secure, scalable, and high-performance digital products.

This hybrid role is based in Lisbon and combines hands-on development across backend and frontend components with identity integration, architectural collaboration, mentoring, and the definition of engineering standards within a multidisciplinary squad.

5+ years

Full Time Hybrid

Lisbon (Portugal)

Salary Range*

Job No. 835

Key Responsibilities

Design and implement full-stack features across Java backend services and React.js frontend components.

Integrate Okta SSO and OIDC flows across distributed applications, configuring scopes and claims according to regional and business requirements.

Build and maintain RESTful APIs with complete OpenAPI documentation.

Implement event-driven patterns using AWS SQS and Solace.

Manage frontend dependencies through npm and promote secure token-handling practices.

Maintain high engineering standards through SonarQube, Snyk, and structured code review processes.

Mentor junior engineers and support knowledge transfer within the squad.

Participate in architectural discussions and help define platform engineering standards.

Collaborate closely with technical and product stakeholders to deliver secure, scalable, and reliable solutions.

Knowledge, Skills and Experience

5+ years of professional software development experience.

Strong experience with Java and Spring Boot.

Experience building and maintaining RESTful APIs.

Solid expertise in React.js.

Knowledge of token storage best practices and silent renewal flows.

Hands-on experience integrating Okta SSO, OpenID Connect, and OAuth 2.0 across distributed systems.

Familiarity with OpenAPI for API documentation.

Experience with event-driven architectures, particularly AWS SQS and Solace.

Proficiency with npm and frontend dependency management.

#J-18808-Ljbffr