Java developer

Role: Java Developer Location: São Paulo, Brazil Job Type: Contract Job Description: Key Responsibilities Design, develop, and maintain backend services using Spring Boot microservices with a focus on event\-driven architectures powered by Apache Kafka. Implement and optimize Kafka producers, consumers, and stream processing applications, leveraging Apache Flink for real\-time data streaming and analytics. Collaborate with architects, DevOps, and other developers to ensure seamless integration of Kafka, Flink, and microservices within the backend ecosystem. Monitor, troubleshoot, and optimize Kafka clusters and Flink jobs for performance, reliability, and scalability. Ensure data security, compliance, and best practices in all Kafka and Flink\-related solutions. Participate in code reviews, technical discussions, and contribute to continuous improvement initiatives. Document technical solutions and maintain up\-to\-date system documentation. Requirements Must Have: Bachelor’s degree in computer science, Engineering, or related field (or equivalent experience). Proven experience (8\+ years) in backend development with a strong focus on Apache Kafka and Spring Boot microservices. Hands\-on experience with Apache Flink for real\-time data streaming and processing. Proficiency in Java or Scala for backend development. Solid understanding of distributed systems, event\-driven architectures, and microservices. Experience with RESTful APIs, message brokers, and data serialization formats (Avro, JSON). Familiarity with containerization (Docker, Kubernetes) and CI/CD pipelines. Strong problem\-solving skills and ability to work in an agile environment. Good communication skills in English and Spanish. Nice to Have: Experience with cloud platforms (AWS). Knowledge of additional frameworks or streaming technologies. Exposure to financial services or regulated environments. Experience with monitoring tools (ELK stack). Requested Skills Skill Level Need type Kafka Advance Mandatory Apache Flink Advance Mandatory Java Expert Blocking Thanks Rakesh Pathak \| Senior Technical Recruiter Phone: 609\-360\-2642 Rakesh.pathak@ampstek.com\| www.ampstek.com https://www.linkedin.com/in/rakesh\-kumar\-pathak\-00b039167/