• Assist in the development and maintenance of backend services and APIs, contributing to the creation of stable and scalable solutions; • Implement low- to medium-complexity features, adhering to coding standards, development best practices, and Object-Oriented Programming (OOP) principles; • Diagnose and fix bugs identified by the team or by monitoring tools; • Apply minor improvements to existing code to enhance performance, readability, and quality; • Consume and integrate REST APIs from internal and external systems, ensuring correct inter-service communication; • Actively participate in the team's agile ceremonies, such as daily stand-ups, planning sessions, and reviews; • Assist in writing, maintaining, and executing basic unit tests; • Participate in code reviews, providing feedback and incorporating suggestions constructively; • Collaborate with the development team, sharing knowledge and pursuing continuous technical growth; • Work collaboratively with other team members to help achieve project objectives.

• Work end-to-end across the software development lifecycle, from design through implementation, deployment and operation; • Design, evolve and maintain microservices architectures and distributed systems; • Define technical standards, best practices and architectural guidelines; • Develop and maintain secure, versioned, scalable and high-performance APIs; • Drive modernization, decoupling and evolution of legacy systems; • Ensure application performance, scalability, resilience and reliability; • Implement and improve automated testing strategies (unit, integration and TDD); • Work with observability, including logs, metrics, tracing and alerts; • Monitor applications and lead the resolution of critical incidents; • Perform troubleshooting and performance analysis; • Actively participate in technical and functional refinement sessions; • Participate in Scrum ceremonies (planning, daily, review and retrospective); • Conduct code reviews and mentor developers; • Collaborate closely with Mobile, Product, QA, DevOps and SRE teams.

• Develop, evolve, and maintain Java backend APIs and services, ensuring adherence to defined architecture patterns, high code quality, readability, and maintainability; • Actively participate in the development of microservices, including contract definition, synchronous and asynchronous communication, and integrations between internal and external systems; • Ensure application performance, stability, security, and scalability by identifying bottlenecks, proposing technical improvements, and taking preventive actions; • Take part in functional and technical refinements, contributing analyses, estimates, solution definitions, and risk identification; • Participate in Scrum ceremonies such as planning, daily stand-ups, review, and retrospective, collaborating on the organization and growth of the team; • Implement and maintain unit and integration tests to ensure reliability, quality, and compliance with functional and non-functional requirements; • Work on application monitoring, analyzing logs, metrics, and alerts to provide observability and rapid failure detection; • Analyze, investigate, and resolve production incidents, perform root cause analysis, and propose continuous improvements; • Participate in code reviews, applying and promoting best practices, development patterns, and software quality principles; • Collaborate closely with Frontend, Mobile, QA, and DevOps teams to ensure integrated deliveries and efficient end-to-end solutions.

• Develop and implement software solutions according to technical requirements, ensuring quality and adequate performance. • Participate in defining solution architecture, always seeking the best technical approach. • Write code, test, and maintain systems, applying best practices and coding standards. • Perform code reviews, promoting continuous improvement and compliance with established standards. • Collaborate with other teams (analysts, testers, etc.) to ensure effective system integration. • Identify issues and develop effective solutions, ensuring system stability and efficiency. • Keep technical documentation up to date, including usage instructions and architecture diagrams. • Perform unit tests and ensure systems meet quality and performance requirements. • Contribute to the continuous improvement of tools, processes, and methodologies used in development. • Support the training and mentoring of junior developers. • Keep up with market trends and propose technological innovations applicable to the development environment.