Job Summary: We are looking for a professional who collaborates with cross-functional teams, maintains codebase health, develops scalable solutions, and mentors junior developers. Key Highlights: 1. Collaborate with cross-functional teams to define and launch new features 2. Develop scalable solutions used by millions of users 3. Mentor less senior developers **We are seeking someone who dares to co-lead with us.** **Responsibilities and Duties:** * Collaborate with cross-functional teams to define, design, and launch new features; * Lead and conduct technical refinement sessions for requirements provided by the product team; * Maintain codebase health and quality, balancing new feature development with technical debt resolution; * Develop scalable solutions that will be used by millions of users; * Critically assess monitoring and observability practices; * Maintain automated tests, including creation of new ones; * Mentor less senior developers and support their growth; * Document technical specifications for new features; * Participate in team ceremonies alongside other team members. **Requirements and Qualifications:** * Experience with Java 17+, Spring Boot, and Hibernate; * Experience with NodeJS + NestJS; * Experience with databases (SQL and NoSQL); * Oracle * MongoDB * RDS * Experience with message-based communication (RabbitMQ and SQS); * Experience, understanding, and knowledge of microservices architecture; * Experience designing REST APIs; * Experience with Unit Testing (JUnit 5) and Contract Testing (Pact); - Experience with Axway - API Gateway; * Experience with Git and source code versioning; * Experience with Dynatrace; * Knowledge of Clean Code, Clean Architecture, and Modularization; * Strong coding practices, documentation standards, and experience developing UI screens and components; * Experience with Agile methodologies; * Excellent problem-solving skills and attention to detail; * Willingness to continuously learn and embrace new challenges; * 3 years of experience in highly complex technical projects and processes **Desirable:** * Experience developing applications/front-end using React Native and React; * Experience with JavaScript/TypeScript; * Experience with Next.js, React Hooks, Styled Components, Axios; * Experience with Microfrontend (MFE) architecture **Additional Information:** * For your health, we offer **comprehensive 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 purchase groceries at any supermarket or dine at restaurants. * 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**, **postgraduate**, **MBA**, **language**, and many other courses! **To learn about all our benefits, visit the homepage of our careers page.**