Backend Engineer I

Accountabilities: Develop and maintain backend APIs and services using Node.js for strategic products and integrations. Contribute to APIs consumed by other applications, with a focus on quality, scalability, reliability, and maintainability. Participate in the evolution of backend architecture, messaging, and observability solutions. Work with technologies and tools such as RabbitMQ, Datadog, and Elasticsearch as part of the platform's technical ecosystem. Participate actively in code reviews and technical discussions, applying and learning software engineering best practices. Collaborate with other engineering and cross-functional teams to deliver reliable solutions in an agile environment. Apply AI-powered development tools to accelerate implementation, improve productivity, and support the team's engineering workflows. Contribute to troubleshooting and continuous improvement as exposure to production systems increases. Requirements Professional experience developing backend applications with Node.js and building REST APIs. Knowledge of MongoDB and MySQL, including experience working with APIs consumed by other applications. Understanding of messaging systems such as RabbitMQ or similar technologies. Familiarity with observability concepts and tools such as Datadog and Elasticsearch. Understanding of fundamental software architecture and backend development best practices. Familiarity with AI-assisted development tools such as Cursor, Claude Code, Codex, Gemini CLI, n8n, or comparable solutions. Academic or professional experience with agile methodologies and a strong willingness to learn and grow through challenging projects. Strong communication and collaboration skills, with the ability to work effectively across different teams. Nice to have Experience with distributed systems, high-volume data environments, or production troubleshooting. Knowledge of API versioning, API lifecycle management, and technical documentation using Swagger/OpenAPI. Understanding of API security concepts, including authentication, authorization, and rate limiting. Backend experience with TypeScript and frameworks such as NestJS or Fastify. Benefits Fully remote work from Brazil through a remote-first working model. Health insurance with no cost and no coparticipation for you and your dependents. Dental insurance and life insurance. Flexible VA/VR benefit through Caju. TotalPass for physical wellbeing and activity. ZenKlub access for mental health and wellbeing support. Annual PPR linked to goals and impact. Access to a premium digital reading subscription and a monthly book club. Childcare allowance and extended parental leave. Partnerships with language schools, including Berlitz and Open English. São Paulo public holidays combined with extended breaks where applicable. Paid year-end recess. Birthday day off. Opportunities for technical development, continuous learning, and collaboration in a distributed engineering environment.