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:

Job Family:

Time Type:

Most Relevant Skills

Other Relevant Skills

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.