Java Developer

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 connected 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.

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