Mid-Level Java Microservices and Data Platform Engineer

We are seeking a Mid-Level Java Microservices & Data Platform Engineer to support a strategic GenAI-driven modernization initiative focused on enhancing the Banzai producer experience. This role will play a critical part in designing, developing, and optimizing scalable backend systems and real-time data pipelines. The ideal candidate brings strong experience in Java, Spring Boot, and microservices architecture, along with exposure to distributed data platforms and modern cloud-native technologies. Key Responsibilities: - Design and develop scalable microservices using Java 8 and Spring Boot - Build and maintain RESTful APIs supporting high-volume enterprise applications - Develop and optimize data pipelines for batch and streaming workloads - Enhance Kafka-based real-time data processing systems - Contribute to Spark-based ETL processes and data transformation pipelines - Implement observability solutions using tools like Grafana and Splunk - Deploy and manage applications on Kubernetes/OpenShift environments - Ensure system performance, reliability, and security through best practices - Collaborate with cross-functional teams to integrate systems with Hadoop/Databricks ecosystems Required Skills & Qualifications: - 5–7 years of experience in backend development - Strong proficiency in Java 8 and Spring Boot microservices - Experience with REST API development and integration - Knowledge of Kafka and event-driven architectures - Exposure to Spark or large-scale data processing frameworks - Experience with container platforms (Kubernetes/OpenShift) - Familiarity with monitoring tools (Grafana, Splunk) - Understanding of CI/CD and version control tools (Git, Bitbucket) Preferred Qualifications: - Experience in enterprise data platforms - Exposure to cloud-native architectures and data lake environments (Databricks/Hadoop) - Experience in secure application development and authentication mechanisms Location: Chennai, India Experience Level: Mid-Level (5–7 years) This Mid-Level Developer role (5–7 years experience, Chennai) is critical to supporting a high-priority strategic initiative focused on modernizing the Banzai producer experience. The role directly contributes to backend platform development, including microservices architecture, data pipeline optimization, and real-time processing systems. The position requires expertise in Java-based microservices, along with working knowledge of distributed data ecosystems involving Kafka, Spark ETL processes, and Kubernetes deployments. These capabilities are essential to delivering scalable, observable, and high-performance data platforms integrated with Hadoop/Databricks environments.   ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.   If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.