Desenvolvedor Java Fullstack

BrazilRemoteFull-timemid

Other

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Quick Summary

Overview

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor Java Fullstack based in Brazil.

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We are looking for an experienced Full Stack Developer to contribute to the modernization and evolution of complex enterprise applications. In this role, you will work across backend and frontend technologies, developing scalable web solutions while maintaining and migrating legacy systems. You will apply strong software engineering principles, automated testing practices, and DevOps methodologies to ensure reliability, performance, and maintainability. You will collaborate with multidisciplinary teams in an agile environment, contributing to architectural decisions and continuous improvement initiatives. This opportunity offers the chance to work with enterprise Java technologies, modern frameworks, and microservices architectures. Your expertise will help deliver secure, efficient, and innovative solutions for demanding business environments.

Develop and maintain responsive web applications and Progressive Web Apps (PWAs) using JavaScript, Angular, HTML5, CSS3, and related frontend technologies.
Build and maintain enterprise applications using Java across web and desktop environments, leveraging frameworks such as Spring, Quarkus, MicroProfile, and related technologies.
Design, implement, and evolve software architectures, including microservices, enterprise design patterns, and strategies for migrating monolithic applications.
Maintain and modernize legacy financial systems, analyzing existing codebases, identifying technical constraints, and ensuring business continuity during migrations.
Develop and execute automated tests using tools such as JUnit, Selenium WebDriver, and JMeter, applying Test-Driven Development (TDD) and Acceptance Test-Driven Development (ATDD) practices.
Apply DevOps principles and CI/CD practices to improve deployment processes, software reliability, and delivery efficiency.
Participate in agile development processes using Scrum, Kanban, or Extreme Programming (XP), collaborating with cross-functional teams to deliver high-quality software.
Conduct code analysis, refactoring, and reverse engineering when necessary, including transferring business logic from frontend components to backend services.
Promote software quality through reusable components, automated testing, design patterns, and continuous improvement of engineering practices.

Requirements

~2 min read

Bachelor's degree in Information Technology or a related field, or a degree in another discipline combined with a postgraduate qualification in IT.
Strong experience with Java development across enterprise web and desktop applications, including Java SE, Java EE, and Swing.
Knowledge of JavaScript, ECMAScript 5 and 6, SQL, and legacy technologies such as MUMPS, Delphi 5, and Enterprise PowerBuilder.
Experience with frontend technologies and frameworks, including AngularJS 1.5+, Angular 5+, Ajax, jQuery, Bootstrap 3+, HTML5, and CSS3, as well as familiarity with ASP and .NET.
Knowledge of Java backend frameworks and specifications, including Spring 3.x+, Quarkus, MicroProfile 3+, Apache Velocity 1.6.x+, JSF 2.x, JPA 2, and Struts 1.x.
Experience with automated testing tools such as JUnit 3+, Selenium WebDriver 2.4+, and JMeter 2+, including the application of testing strategies and test automation.
Understanding of software architecture, enterprise design patterns, microservices, legacy system maintenance, and application modernization.
Familiarity with agile methodologies, including Scrum, Kanban, XP, and the principles of the Agile Manifesto.
Strong analytical and problem-solving skills, attention to code quality, and the ability to work collaboratively in complex technical environments.

Nice to have:

Experience with modern Java ecosystems, including Quarkus, MicroProfile, Docker, and Kubernetes.
Practical knowledge of microservices architecture and responsive frontend development with Angular.
Experience implementing TDD and ATDD, using mocks and stubs to simulate interfaces and dependencies.
Expertise in reverse engineering undocumented legacy systems and refactoring complex applications.
Ability to identify and migrate business rules from client-side code to backend services.