Java Developer

Java Developer Bridge351 is a tech company focused on excellence, innovation and tailored solutions, operating across Europe in areas like Cloud, Cybersecurity, Data and Advanced Development. Role Overview We are looking for a Senior Java Developer with solid experience in enterprise environments to join a team focused on maintaining, evolving, and integrating critical applications. This role involves working primarily with legacy systems, with a strong emphasis on security and identity integration. Key Responsibilities Develop and maintain backend applications using Java Implement and enhance flows using Spring Framework (with a focus on Spring Webflow) Design and integrate APIs Develop and maintain business logic within the database (Oracle / PL/SQL) Integrate applications with authentication and authorization systems (SSO) Perform application deployments and provide production support Troubleshoot and resolve application issues Collaborate with cross-functional teams (development, infrastructure, and security) Mandatory Requirements Back-end & Framework Strong experience in Java development (5+ years or 4+ years with strong seniority) Solid knowledge of Spring Framework Experience with Spring Webflow (highly valued) Experience in API development and integration Database Proven experience with Oracle and PL/SQL Development and maintenance of complex stored procedures Business logic implementation at database level Security & Identity Hands-on experience with Single Sign-On (SSO) Practical knowledge of protocols: OAuth2 OpenID Connect SAML Experience integrating with Identity Providers Experience with platforms such as Okta or Microsoft Entra ID (Azure AD) Environment & Operations Experience with Linux/Unix environments Experience with application servers: Apache Tomcat Apache HTTP Server Ability to perform deployments and troubleshooting Functional Skills Experience working in enterprise and legacy environments Strong problem-solving and analytical skills Experience maintaining and enhancing existing applications Nice to Have Tech Stack Experience with Spring Boot Knowledge of JSP Frontend knowledge: JavaScript, jQuery, Bootstrap Angular, Vue, or Ionic Security Knowledge of SSL/TLS Experience with digital certificates Familiarity with keystores and truststores Basic understanding of encryption (AES, RSA, SHA) Context & Experience Previous experience in banking or insurance Experience in complex enterprise environments Experience with SSO migration (local to centralized) Additional Skills Ability to adapt to corporate standards Strong communication and teamwork skills Experience collaborating with multiple technical teams Work Model Hybrid model (up to 3 days per week on-site in Lisbon) What can you expect from us? Mind-blowing workplace culture. You will be integrated in a professional, dynamic and collaborative team. 100% Remote opportunities We want you to have the flexibility to work where you feel most comfortable and productive. International Career You can expect professional growth and to be connect with the world. We are represented in Portugal, Belgium, Luxembourg, and Denmark. And with projects in many other countries: Netherlands, Luxembourg, Singapore and in the United States of America (and a lot more is coming…) Extra Benefits & Perks If you wish to work with us and you are outside European Union (good news…) we are a Tech Visa Company, We will help! As a plus, we provide Health and Life Insurance.