**We’re looking for someone who dares to take the lead with us.** **Responsibilities and duties:** **Requirements and qualifications:** Languages and Frameworks * Java (8, 11, 21) — Solid knowledge of the language. * Spring Boot — To build RESTful APIs quickly and efficiently. * Maven/Gradle — Dependency management. API Development * RESTful APIs — Creating and consuming HTTP endpoints. * JSON — Common data structure for communication with mobile apps. * Postman or Insomnia — Testing and documenting APIs. Bonus: Knowledge of CAAPI and APIGEE Security * Basic understanding of authentication/authorization, such as: * JWT (JSON Web Token) * OAuth2 (even just the most common flow) Best practices and tools * Version control with Git * Exception handling and logging * Clean code best practices⸻ Desirable Skills Databases * SQL (e.g., PostgreSQL, MySQL) * Basic knowledge of JPA/HibernateMessaging and Asynchronous Processing * RabbitMQ, Kafka, PubSub or RabbitBasic Cloud or Deployment Knowledge * Basic knowledge of Docker * Understanding of how to perform a local or simple cloud deployment (Heroku, Render, etc.) Focus on Integration with Mobile Apps and Websites * Understanding how mobile apps consume APIs (latency, authentication, versioning). * Ability to handle CORS, HTTP status codes, and payload structuring. * Creating and analyzing monitoring with Datadog **Desirable:** **Additional information:** * For your health, we offer **medical and dental insurance**, with no co-payment for exams or consultations. * Want more well-being? We provide **Gympass** and **Zenklub** (with two free sessions per month) to support your physical and mental health. * When hunger strikes, use our meal benefit **Caju** to shop at any supermarket or restaurant. * Love traveling? We offer **Férias & Co**, a benefit that helps make your dream trip possible. * Have children? Count on our **childcare allowance**. * Growing family? We offer **MomCare**, a flexible monetary incentive after maternity leave for new Datunian mothers. * To personalize your workspace, we provide a **remote work allowance**. * Want to invest in your professional development? We partner with several prestigious educational institutions to offer you discounts of up to 70% on **undergraduate**, **postgraduate**, **MBA**, **language**, and many other courses! **To learn about all our benefits, visit the homepage of our careers page.**