Java Back-End Developer | Mid

Accountabilities: Implement business rules according to functional requirements and defined technical solutions. Participate in Sprint activities, contributing to analysis, design, development, and testing. Develop and maintain Java-based web applications using Java and Quarkus. Integrate applications with external systems, APIs, services, and data sources. Process information and make it available for consumption by frontend applications. Develop clean, reliable, secure, and maintainable code in accordance with established technology and quality standards. Follow technical guidelines, coding conventions, and software engineering best practices. Perform and support unit and integration testing to validate application functionality and reliability. Contribute to quality deliveries and meet agreed timelines in collaboration with the development team. Requirements Professional experience developing Java-based web applications. Knowledge of Java and Java Quarkus. Understanding of application architecture, including three-tier architecture, Model-View-Controller (MVC), and microservices. Experience integrating systems through APIs and REST services. Knowledge of relational database modeling and SQL. Familiarity with design patterns and software development best practices. Experience using Git for source code version control. Knowledge of software testing, including unit and integration testing. Familiarity with Agile methodologies, particularly Scrum and Kanban. Nice to have: Knowledge of Enterprise Integration Patterns (EIP), Service-Oriented Architecture (SOA), and WebSphere Message Broker. Experience with Java Message Service (JMS) and Enterprise JavaBeans (EJB 3). Familiarity with JavaScript, ECMAScript, Ajax, jQuery, AngularJS, Bootstrap, HTML5, XML, CSS3, and ASP. Experience developing Java Swing applications. Knowledge of responsive interface development and Progressive Web Applications (PWAs). Understanding of user experience (UX) and usability principles. Experience with Jenkins and continuous integration and delivery (CI/CD) practices. Knowledge of Test-Driven Development (TDD), Acceptance Test-Driven Development (ATDD), specification by example, and refactoring. Experience with testing tools such as Selenium WebDriver, Protractor, and JMeter. Familiarity with SonarQube and ClearCase. Experience using the Eclipse IDE. Knowledge of application server configuration and administration. Experience conducting performance, load, vulnerability, and accessibility testing. Benefits Food and/or meal allowance. Medical and dental insurance. Pet health insurance. Home-office allowance for remote positions. Welcome kit during onboarding. Life insurance. Access to Zenklub, including psychological and nutritional support. TotalPass wellness and fitness program. Certification and continuous learning programs through partners such as Adobe, Anthropic, AWS, Google, Microsoft, and Salesforce. Partnerships and discounts supporting professional development. Access to UOL content. Maternity welcome kit. Extended maternity and paternity leave. Employee referral program.