Job Summary: We are looking for a Senior Java Developer to work in an international environment, designing scalable and secure solutions with technical excellence. Key Highlights: 1. Global collaboration with international teams 2. Development of scalable and secure solutions 3. Dynamic and challenging environment **What We’re Looking For?** We seek a Senior Java Developer with solid experience in Spring Boot, microservices, and distributed systems to work in a dynamic international environment. Fluent English is essential for global collaboration, availability for the 6:00 AM–3:00 PM shift, and proficiency in Azure, Docker, and performance optimization are required. The professional will be responsible for designing scalable and secure solutions, ensuring technical excellence in high-visibility and complex projects. **Main Responsibilities:** * Develop and maintain high-performance scalable applications using Java with JDK 8 or higher and Spring Boot; * Design and implement robust RESTful APIs integrated into a global microservices architecture; * Optimize SQL queries and manage relational databases to ensure data efficiency and integrity; * Collaborate daily with international teams in English to define technical and architectural solutions; * Implement advanced security standards including encryption and authentication via OAuth and JWT; * Configure and manage CI/CD pipelines and containerized environments using Docker and Kubernetes; * Apply JVM tuning techniques and caching strategies to maximize system performance; * Solve complex problems in distributed systems using messaging and high-availability architectures. **Mandatory Requirements:** * Solid experience in advanced Java development with expertise in Spring Boot and Hibernate; * Fluency in English for active participation in meetings and consistent technical writing; * Availability to work the 6:00 AM–3:00 PM shift aligned with international time zones; * Proficiency in relational databases such as MySQL, PostgreSQL, or Oracle, and optimization techniques; * Practical knowledge of microservices architecture and RESTful API development; * Experience with containerization tools like Docker and orchestration via Kubernetes; * Hands-on experience with cloud platforms—preferably Azure—and DevOps practices. **Nice-to-Have:** * Prior experience implementing caching using Redis or Memcached; * Previous involvement in large-scale global projects focused on scalability and low latency; * Knowledge of messaging and queuing systems for communication between distributed systems. **Work Location: Remote** **Why Build Your Career at Meta?** We offer autonomy, clear goals, and a dynamic and challenging environment where professionals have opportunities to interact with diverse technologies, participate in all types of projects, bring new ideas, and work from anywhere in Brazil—and why not, from anywhere in the world. Additionally, we are one of the best companies to work for in Brazil according to Great Place to Work, and one of the 10 fastest-growing companies in the country for three consecutive years, per the Informática Hoje Annual Report. **What Are Our Values?** * We are people serving people * We think and act like owners * We have a drive for performance * We grow and learn together * We pursue excellence and simplicity * Innovation and creativity are in our DNA Everyone is welcome regardless of their condition, disability, ethnicity, religious belief, sexual orientation, appearance, age, or similar attributes. We want you to grow with us in an inclusive environment full of opportunities. If this resonates with you, then #JoinMeta!