Java jobs in Brazil

We are looking for a Senior Developer who will play a pivotal role in the development and maintenance of our web application solutions. The candidate must have a strong background in Java (using Springboot) and MongoDB. Ideally they will have at least a basic understanding and experience developing a backend for a Typescript/JavaScript front-end. A working knowledge of websockets, APIs, MQTT and Protocol Buffers would also be desirable.

Responsibilities:

• Collaborate in a cross-functional team to design, develop, and test software solutions that meet product requirements.
• Understand the needs of front-end developers who are using Vue.js, Typescript and JavaScript.
• Deep understanding of manipulation of JSON data.
• Utilize expertise in Java to contribute to backend development tasks.
• Write unit tests, collaborate with QA to understand their tests, use and modify a simulator.
• Manipulate and troubleshoot MongoDB storage.
• Use websockets, Protobuf, MQTT and APIs to communicate with other applications in our internal ecosystem.
• Participate in Agile and Scrum methodologies, ensuring timely delivery of high-quality code.
• Perform peer reviews on PRs.
• Collaborate using Git and Azure DevOps to track user stories and tasks; version control; continuous integration and deployment.
• Leverage AI to increase productivity for developing code, testing and documentation.
• Raise suggestions for best practices in software development, use of AI, code reviews, and unit testing.
• Communicate effectively with lead developer, scrum master, fellow developers, QA team, and stakeholders in English, ensuring a clear understanding of project goals and progress.
• Contribute to a positive, collaborative and supportive team environment. Assist other team members with technical issues as needed.

Qualifications:

• Bachelor's degree in Computer Science or a related field.
• At least 3 years of experience in full-stack web and web app development.
• Expertise in Java and MongoDB.
• Experience in Vue.js, Typescript and JavaScript development preferred.
• Proficiency with JSON data model manipulation.
• Familiarity with websockets, APIs, MQTT and Protocol Buffers.
• Experience writing unit tests and developing simulators.
• Strong problem-solving and analytical skills.
• Experience using AI such as CoPilot or an agentic IDE for coding, testing and documentation.
• Experience with Git and Azure DevOps or similar tools for task management, version control, and continuous integration.
• Understanding of Agile and Scrum methodologies.
• Excellent verbal and written communication skills in English.
• Ability to thrive on a team with people from different cultures and backgrounds.
• Demonstrated ability to perform under pressure with strict deadlines and precise requirements.
• A collaborative mindset, prioritizing the well-being of the team.
• Able to work independently with little oversight. Willing to offer suggestions to improve code as well as our group processes.