Engenheiro de Software Fullstack Sr (Java/Flutter)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Engenheiro de Software Fullstack Sr (Java/Flutter) based in Brazil.

Join a senior engineering role where you will build, evolve, and improve software across backend and frontend <environments.You> will work primarily with Java and Flutter, contributing to scalable, modern, and high-quality applications.The role combines hands-on development with architectural decisions, technical collaboration, and continuous <improvement.You> will work with cloud-native technologies, microservices, asynchronous integrations, and relational and NoSQL databases.Quality is a core focus, with automated testing, code reviews, documentation, and strong engineering practices embedded in the development <lifecycle.You> will also help manage technical risks, influence technology choices, and support the growth of less experienced engineers.This is an opportunity for a technically strong professional who values autonomy, collaboration, and building reliable solutions in a remote environment.

Accountabilities

• Develop, maintain, and enhance software functionality, identifying opportunities for refactoring, optimization, and continuous improvement.
• Build and evolve backend services using Java, Spring Boot, Quarkus, MicroProfile, and microservices-based architectures.
• Develop modern and interactive frontend and mobile experiences using Flutter.
• Design and maintain integrations between services, including asynchronous communication through RabbitMQ and/or AWS SQS.
• Work with cloud environments and support the creation and management of development and production environments using AWS and EKS.
• Apply sound software architecture practices, including DDD, Microservices, MVC, and Clean Architecture.
• Design and optimize solutions using relational and non-relational databases, including PostgreSQL and MongoDB, as well as caching technologies such as Redis.
• Ensure code quality through automated unit, integration, and mutation testing, including JUnit and, where applicable, Pitest.
• Participate actively in code reviews and contribute to technical standards, engineering practices, and architectural decisions.
• Produce and maintain technical documentation using Markdown, Swagger/OpenAPI, C4 Model, UML, and other appropriate documentation standards.
• Use Git, GitFlow, GitLab, and Azure DevOps to manage source code, tasks, collaboration, and development workflows.
• Assess technical complexity, estimate risks, and develop mitigation strategies for complex initiatives.
• Participate actively in communication channels, technical discussions, planning, and alignment meetings.
• Collaborate with team members, share knowledge, and support colleagues in solving technical challenges.
• Contribute to onboarding and the technical development of less experienced professionals.
• Proactively evaluate and recommend tools, technologies, and engineering practices that can improve the development lifecycle.

Requirements

• Solid professional experience with Java 8+, Java EE, Spring Boot, Quarkus, and MicroProfile.
• Strong experience with Flutter for developing modern frontend and mobile applications.
• Experience with microservices, DDD, MVC, Clean Architecture, and other software architecture best practices.
• Hands-on experience with EKS and AWS environments for development and production workloads.
• Experience implementing asynchronous integrations using RabbitMQ and/or AWS SQS.
• Strong knowledge of relational and NoSQL databases, particularly PostgreSQL and MongoDB.
• Experience with Redis for caching and in-memory data management.
• Practical experience developing automated unit tests with JUnit and applying software quality practices.
• Proficiency with Git and GitFlow, with experience using collaborative development and version-control workflows.
• Experience creating technical documentation using Markdown, Swagger/OpenAPI, C4 Model, and UML.
• Ability to participate effectively in code reviews, technical discussions, architecture decisions, and collaborative problem-solving.
• Strong analytical skills and the ability to estimate complexity, identify technical risks, and propose effective mitigation strategies.
• Good communication, collaboration, autonomy, and willingness to support the technical development of other team members.
• Experience with GitLab pipelines and continuous integration practices is an advantage.
• Experience with Flutter Desktop, Electron JS, JavaScript, and TypeScript is a plus.
• Knowledge of mutation testing with Pitest, DynamoDB, Linux administration, and additional AWS services is desirable.

Benefits

• Vale Alimentação/Vale Refeição of R$45.00 per working day.
• Unimed health insurance with co-participation and no monthly premium.
• OdontoPrev dental insurance for a fixed monthly fee of R$21.91.
• Psychology Viva partnership with 3 free therapy sessions per month.
• Online learning opportunities ranging from gastronomy courses to postgraduate programs through Qualifica.
• Access to courses offered through the Escola de Pessoas.
• R$60.00 monthly Home Office allowance.
• Birthday month day off.
• TotalPass membership.
• Childcare allowance for mothers and fathers with children up to 3 years and 11 months.
• Discounts on undergraduate and postgraduate programs through the Ânima education ecosystem.
• Partnerships with OnHappy and SESC.
• Pet health plan through Guapeco.
• Remote work opportunity within Brazil.