Job Summary: We are looking for a proactive and autonomous developer to actively participate in the software development lifecycle, ensuring robust and efficient solutions. Key Highlights: 1. Participate in the full software development lifecycle 2. Proactivity and autonomy within an independent team 3. Continuous improvement of architecture and processes **We are looking for someone who dares to co-lead with us.** **Responsibilities and Duties:** • Actively participate in the software development lifecycle—from conception through implementation—ensuring solutions are robust, scalable, and efficient. • Demonstrate proactivity, leadership, and autonomy to foster greater team independence; • Maintain open and transparent communication with the team; • Attend meetings, events, and fulfill requests as needed; • Identify and implement continuous improvements to the team’s architecture and processes; • Review code written by other developers, providing constructive feedback to ensure adherence to coding standards and best practices; • Document processes using text or diagrams. **Requirements and Qualifications:** • Experience developing with Java and Spring Boot (Java 8+); • Experience developing with Node.js and Express or NestJS (JavaScript and/or TypeScript); • Experience developing with ReactJS (TypeScript); • Experience writing unit tests and contract tests; • Experience with Oracle database; • Experience with MongoDB; • Experience with messaging systems such as RabbitMQ; • Write clean, maintainable code following principles like SOLID and Clean Code; • Knowledge of microservices and microfrontends architecture; • Familiarity with Sonar and static code analysis tools in general; • Source code versioning using Git. • Prior experience in the financial sector; • Process and/or test automation; • Prior knowledge of AWS; • Prior knowledge of Docker; • Prior knowledge of automated CI/CD pipelines; • Prior knowledge of agile methodologies such as Scrum or Kanban. **Desirable:** **Additional Information:** * For your health, we offer **medical and dental assistance**, with no co-payment for exams or consultations. * Want more well-being? We offer **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? Here, we have **Férias & Co**, a benefit that helps make your dream vacation possible. * Have children? Count on our **childcare allowance**. * Growing family? We offer **MomCare**, a flexible monetary incentive post-maternity leave for new Datunian mothers. * To personalize your workspace, count on our **home office allowance**. * Want to invest in your professional development? We partner with several renowned educational institutions to offer you discounts of up to 70% on **undergraduate**, **graduate**, **MBA**, **language**, and many other courses! **To learn about all our benefits, visit the homepage of our careers page.**