Senior Java Full Stack Developer

Description

Job Summary: Develop and maintain full-stack applications, ensuring performance and quality while participating in all phases of the software development lifecycle using best practices and agile methodologies. Key Highlights: 1. Collaborative full-stack development 2. Focus on performance, scalability, and software quality 3. Development of modern architectures and legacy system refactoring **Responsibilities and Duties** **What awaits you daily:** --------------------------------- * Fix identified bugs and develop new features for full-stack applications, ensuring performance, scalability, and quality; * Translate technical and functional requirements into clean, testable, performant, and reusable code; * Maintain and evolve legacy applications, promoting secure refactoring and architectural improvements; * Design and implement modern architectures, including microservices, REST APIs, decoupled components, and HTTP integrations; * Maintain and enhance CI/CD pipelines, ensuring automation, testing, and continuous deployment; * Monitor and analyze logs, metrics, and observability dashboards, tracking application health before, during, and after deployments; * Document technical actions and evidence, and execute tests in the staging environment; * Participate in agile ceremonies (daily stand-ups, planning, reviews), providing visibility into delivery progress; * Deliver to staging and production environments with QA team approval; * Collaborate with the development team across all phases of the software development lifecycle; * Act as a guardian of best practices, coding standards, security, version control, and technical quality; * Ensure proper Git usage, maintaining a clean and organized commit history; **Requirements and Qualifications** #### **We are looking for someone who:** * Thinks and acts from the customer’s perspective. Demonstrates interest and curiosity about customers, their behaviors, and preferences to meet and exceed expectations; * Shows a continuous commitment to learning, teaching, and developing, contributing to a relaxed, respectful, and collaborative environment that encourages diversity; * Is flexible enough to move beyond 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:** ------------------------------------------------ * Reside in Rio de Janeiro; * Bachelor’s degree in Systems Analysis and Development, Information Systems, Computer Science, or related fields; * Experience with Java (versions 8, 11, 17, or 21\); * Proficiency in Java frameworks such as Spring and/or Vert.x; * Intermediate knowledge of .NET and C\#, with a full-stack perspective; * Experience with Git version control; * Experience with unit, integration, and automated testing; * Knowledge of JMeter for load testing; * Hands-on experience with observability and telemetry tools: New Relic, Zabbix, Grafana, CloudWatch; * Experience building and maintaining RESTful APIs and HTTP/HTTPS integrations; * Knowledge of SOAP APIs for legacy integrations; * Experience with SQL databases (MySQL) and NoSQL databases (MongoDB); * Knowledge of messaging systems: RabbitMQ or Kafka; * Experience with Cloud Computing, especially AWS (CloudWatch, SQS, S3, EC2, ECS, Lambda); * Familiarity with agile methodologies (Scrum and Kanban). **Nice-to-have:** ------------------ * Postgraduate degree, Master’s, or Doctorate in technology or development-related fields; * Experience in solution and distributed application architecture; **Additional Information** At **Claro, people are one of our core values.** Guided by this principle, we consistently invest in the health, well-being, and quality of life of our employees! To ensure the best possible 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 assistance; * Support for serious illnesses; * Assistance for dependents with disabilities; * Pharmacy benefit; * Daycare/Babysitter allowance; * Personal Support Program; * Claro Running; * Private pension plan; * Life insurance; * Employee Combo; * Wellhub (Gympass); * Meu Pet Club; * Discounts and partnerships; * Recognition program for years of service; * 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 disability. Everyone is welcome!** **Here, we have a large team that makes everything happen!** It is through the effort and dedication of each of our People that we are today a benchmark in what we do — united in our purpose: **“Connect for a more fun and productive life.”** We integrate all technologies to build the best and most comprehensive connectivity infrastructure in the country. We are confirmed multi-champions by Speedtest as 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 net gains for over 5 years, with 1.2 million ported lines in 2022. And there’s more: We **innovate** our products and services to better serve our users! Today, we offer **entertainment** solutions (Claro Música, Claro TV+, Claro Livros, Claro Vídeo, Claro Gaming), **financial services** (Claro Pay), and more! We have an **aerospace presence** (with 5 satellites in orbit via Embratel) and are a reference in **industrial, automotive, and agribusiness connectivity**, among others. We also foster connections between our businesses and the innovation ecosystem through **beOn**, Claro and Embratel’s innovation hub. Sustainability is a core Claro value. **We invest in environmental, economic, and social development**, always prioritizing governance, environmental responsibility, data protection, and social impact. Through the Claro Institute, we connect people for a better future, combining services with social investments in **education and citizenship** projects. **So, is it a match? \#JoinClaro and help us build the future together!