We are looking for a Senior Backend Developer with **strong specialization in Node.js**, who also has practical experience with **PHP** and involvement in **integrated projects with React Native mobile applications**. This professional will play a strategic role in developing and evolving backend solutions, working closely with product and mobile teams. It is essential to have a **highly proactive, autonomous, and organized profile**, capable of managing end-to-end tasks, defining priorities, making technical decisions daily, and ensuring high-quality deliveries—reducing rework and dependence on constant guidance. ### ### **Mandatory Technical Requirements** * Solid experience with **Node.js** in production environments * Practical experience with **PHP** * Experience in **backend integration with mobile applications**, especially with **React Native** * Development and maintenance of **REST APIs** * Knowledge of **system architecture**, focusing on performance, scalability, and maintainability * Experience with **relational and/or NoSQL databases** * Code versioning with **Git** * Knowledge of **software development best practices** (Clean Code, SOLID) ### **Important Differentiators** * Strong understanding of the **mobile ecosystem**, considering impacts on: + Architecture, Performance, Security, and API Contracts * Experience with **authentication and authorization** (JWT, OAuth) * Knowledge of **monitoring and observability** * Experience with **cloud platforms** and managed services * Experience with **automated testing** ### **Behavioral Competencies** * High capacity for **self-management and autonomy** * Analytical, organized, and solution-oriented profile * Good communication skills for interaction with technical and product teams * Ability to make responsible technical decisions * Commitment to quality, deadlines, and continuous improvement