Desenvolvedor Especialista | FullStack; Java​/React

Desenvolvedor Especialista | Fullstack (Java/React)

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

This is a senior-level Fullstack engineering role focused on building and continuously improving scalable web applications. You will work primarily across Java and modern front-end technologies, contributing to both application performance and overall engineering quality. The position combines hands-on development with strong technical leadership, making you a reference point for architecture, code quality, testing, and complex problem solving. You will collaborate closely with SRE, Platform, and Dev Ops teams to support reliable CI/CD practices and efficient cloud-based delivery.

A key part of the role is helping the team adopt engineering best practices, improve existing code, and make thoughtful architectural decisions. You will operate in a dynamic environment that values technical excellence, collaboration, continuous improvement, and knowledge sharing. This is a fully remote opportunity for an experienced engineer who wants meaningful technical ownership and influence across the development lifecycle.

• Optimize application performance and scalability:
  Contribute to improving the efficiency, reliability, and scalability of cloud-based applications, identifying opportunities for technical and architectural improvements.
• Support CI/CD and cloud delivery:
  Collaborate with SRE, Platform, and Dev Ops teams to strengthen continuous integration and continuous delivery practices and ensure efficient software delivery.
• Champion code quality:
  Act as a technical reference for code reviews, unit testing, integration testing, and development practices that improve maintainability and reliability.
• Solve complex technical challenges:
  Lead the investigation and resolution of sophisticated software engineering problems while continuously improving existing systems and codebases.
• Provide technical leadership:
  Serve as a technical reference for other team members, supporting engineering decisions, knowledge sharing, and the adoption of effective development practices.
• Promote engineering best practices:
  Help define, communicate, and implement standards around architecture, testing, development methodologies, and overall software quality.

• Professional experience:
  At least 5 years of experience developing software systems, with strong experience building web applications and working in cloud environments, particularly AWS.
• Java expertise:
  Advanced proficiency with Java, including experience working with Java 8, 11, 17, and 21, as well as strong knowledge of debugging, profiling, and performance optimization.
• Fullstack development:
  Strong knowledge of HTML, CSS, JavaScript, Redux, Material UI, Styled Components, and modern web application development practices covering both design and implementation.
• Automated testing:
  Hands-on experience with JavaScript testing frameworks and tools such as Jest, Enzyme, and React Testing Library, together with strong knowledge of unit and integration testing.
• Software engineering practices:
  Solid understanding of functional programming, Test-Driven Development (TDD), automated testing, browser-based testing and debugging, and modern development methodologies.
• Cloud and architecture:
  Experience developing applications on AWS and the ability to contribute to architectural discussions, evaluate technical alternatives, and recommend effective engineering solutions.
• Technical leadership:
  Demonstrated ability to act as a technical leader within a development team, guide peers, participate in code reviews, and promote engineering standards and best practices.
• Analytical and problem-solving skills:
  Strong analytical capabilities, attention to technical detail, and the ability to manage multiple priorities effectively in a dynamic environment.
• Collaboration and communication:
  Ability to work effectively with engineering and cross-functional teams, communicate technical concepts clearly, and contribute constructively to…