




**Responsibilities and duties** **What awaits you on a daily basis:** --------------------------------- * Develop and maintain fullstack applications, focusing on backend development with Java (Spring Boot) and integration with modern frontends (Angular 2\+, AngularJS). * Design and implement REST APIs, ensuring high performance, security, and scalability. * Integrate systems through messaging, authentication via Keycloak, and communication between microservices. * Collaborate with multidisciplinary teams, participating in code reviews, technical refinements, and agile ceremonies (daily, planning, review). * Ensure code quality by applying best development practices, executing automated tests (unit and integration), and following Clean Code and SOLID principles. * Contribute to solution architecture by proposing technical improvements, design patterns, and performance optimization strategies. * Work within CI/CD and cloud environments, assisting in configuration, deployment, and application monitoring. * Monitor technological trends and propose advancements that keep the ecosystem modern and efficient. **Requirements and qualifications** #### **We are looking for someone who:** * Thinks and acts from the customer's perspective. Demonstrates interest and curiosity in understanding customers, their behaviors, and preferences to meet and exceed expectations; * Shows a permanent commitment to learning, teaching, and developing, contributing to a relaxed, respectful, and collaborative environment while encouraging diversity; * Is flexible enough to move away from existing paradigms and mental models. Seeks innovative and sustainable solutions to create competitive advantages for the business, balancing economic, environmental, and social interests. **To join our team, it is essential:** ------------------------------------------------ * Solid experience in backend development with Java and Spring Boot; * Experience with modern front-end frameworks (Angular 2\+, AngularJS); * Knowledge of relational databases (PostgreSQL, MySQL/MariaDB) and non-relational databases (Redis); * Experience in creating and consuming REST APIs and integrating microservices; * Understanding of clean architecture principles, DDD, SOLID, and design patterns; * Familiarity with version control tools (Git) and CI/CD pipelines; * Knowledge of containers (Docker) and orchestration (Kubernetes); * Technical English proficiency for reading and understanding documentation. **It is a plus:** ------------------ * Hold AWS or other Cloud Provider certifications. * Implement solutions with identity providers (SSO, OAuth2, OpenID Connect). * Work in distributed microservices environments. * Use observability tools (Prometheus, Grafana, ELK) to monitor and analyze systems. * Develop and maintain automated tests (JUnit, Mockito, Cypress). * Participate in projects adopting micro-frontend architectures. **Additional information** At **Claro, people is one of our core values.** With this mindset, we continuously invest in health care, well-being, and quality of life for our employees! To ensure you have the best experience throughout your journey with us, we offer an attractive benefits package. Check it out: * Flexible working hours; * Meal and food allowance; * Medical and dental coverage; * Support for serious illnesses; * Assistance for dependents with disabilities; * Pharmacy benefit; * Childcare/babysitter allowance; * Personal support program; * Claro Running; * Private pension plan; * Life insurance; * Employee combo; * Wellhub (Gympass); * Meu Pet Club; * Partnerships and agreements; * Recognition program for tenure; * And much more! **At our company, we value an inclusive, diverse, ethical, collaborative, and harmonious environment. We do not discriminate based on gender, race, color, sexual orientation, social status, or disabilities. Everyone is welcome!** **Here, we have a great team that makes everything happen!** It is through the effort and dedication of each of our People that we are today a reference in what we do, united in our purpose: **“Connect for a more enjoyable and productive life.”** We combine all technologies to create the best and most complete connectivity infrastructure in the country. We are multi-champions confirmed by Speedtest as having the fastest and most stable mobile internet and the most stable Wi-Fi network in Brazil, among many other recognitions. We are also the 4th most valuable brand in Brazil (BrandZ). In Brazil, we operate in over 4,800 municipalities, serving more than 83 million customers. We have led portability gains for over 5 years, with 1.2 million transferred lines in 2022 alone. And there’s more: **we innovate** our products and services to better serve our users! That’s why today we offer **entertainment** solutions (Claro Música, Claro TV+, Claro Livros, Claro Vídeo, and Claro Gaming), **financial services** (Claro Pay), and much more! We have **aerospace presence** (with 5 satellites in orbit via Embratel) and are leaders in **industrial, automotive, and agribusiness connectivity**, among others. We also have a connection hub between our businesses and the innovation ecosystem: **beOn**, the innovation hub of Claro and Embratel. Sustainability is a core value at Claro. **We invest in environmental, economic, and social development,** always prioritizing governance, environmental responsibility, data protection, and social impact. Through Instituto Claro, we connect people for a better future, combining our services with social investments in **education and citizenship** projects. **So, is there a match? \#JoinClaro and help build the new with us!**


