IOS Developer

Citigroup Inc.; Chennai; On-site; INR 1,400,000 - 2,200,000; Full time

Job summary

Citigroup Inc. in Chennai is seeking experienced Java engineers to design and develop high-throughput microservices using Java 17/21, Spring Boot, and cloud-native frameworks.

You'll build robust RESTful APIs, implement event-driven pipelines with Kafka/JMS, and manage data with Oracle and MongoDB while upholding code quality and test coverage. The role emphasizes DevOps, CI/CD, and observability with OpenTelemetry and Prometheus.

Qualifications

• Bachelor’s degree or equivalent in a computing-related field.
• Strong knowledge of Java and Spring Boot.
• Experience with large-scale distributed systems.

Responsibilities

• Design, develop, test, deploy microservices using Java and Spring Boot.
• Build RESTful APIs and event-driven interfaces per enterprise standards.
• Implement CI/CD pipelines and cloud integration.
• Ensure observability with logging, metrics, and tracing.

Skills

Java

Spring Boot

Agile methodologies

Education

Bachelor’s degree

Tools

Docker

Kubernetes

OpenShift

Apache Kafka

JMS

Oracle

MongoDB

OpenTelemetry

Micrometer

Prometheus

Grafana

Splunk/ELK

JUnit 5

Mockito

Job description

Key Responsibilities

• Design & Development

  • Microservices Development:Design, develop, test, deploy, and maintain high-throughput, low-latency microservices usingJava (17/21),Spring Boot, and cloud-native frameworks.
  • API Architecture:Build and document robust RESTful APIs and event-driven interfaces adhering to enterprise API standards, OpenAPI/Swagger specifications,
  • Event-Driven & Messaging Systems:Design asynchronous workflows and event streaming pipelines usingApache Kafka or JMS.
  • Database & Data Management:Implement efficient data persistence layers using relational databases ( Oracle) and NoSQL stores (MongoDB), ensuring optimized indexing, query execution, and transactional integrity.

Engineering Excellence & DevOps

• Code Quality & Best Practices:Enforce clean code principles, SOLID design patterns, domain-driven design (DDD), and test-driven development (TDD/BDD).
• Automated Testing:Author comprehensive unit, integration, and contract tests utilizing JUnit 5, Mockito maintaining high automated test coverage (>85%).
• CI/CD & Cloud Integration:Build and optimize CI/CD pipelines and containerize services usingDockerandKubernetes / OpenShift.
• Observability & Reliability:Integrate logging, metrics, and tracing instrumentation into microservices using frameworks such as OpenTelemetry, Micrometer, Prometheus, Grafana, and Splunk/ELK.

Collaboration & Leadership

• Agile Participation:Actively participate in Scrum/Kanban ceremonies (sprint planning, daily standups, backlog refinement, retrospectives).
• Production Support & Incident Management:Partner with Level 3 (L3) support teams for triage, root-cause analysis (RCA), and remediation of critical production incidents during release rollouts and business hours.

• 4-8 years in an Apps Development role. Demonstrated execution capabilities.
• Strong analytical and quantitative skills; Data driven and results-oriented
• Experience in running high traffic, distributed, cloud based services
• Experience in affecting large culture change
• Experience leading infrastructure programs
• Skilled at working with third party service providers
• Excellent written and oral communication skills

Education:

• Bachelor’s/University degree or equivalent experience

Job Family Group:

Technology

Job Family:

Digital Software Engineering

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.

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