IOS Developer

Citi; India; On-site; INR 2,500,000 - 3,500,000; Full time

Job summary

Citi in India is hiring for a Digital Software Engineering role. You will design, build, test, and maintain microservices using Java 17/21 and Spring Boot, with modern API and event-driven architectures. Collaboration across teams, adherence to Agile practices, and strong focus on reliability and code quality are expected.

The role emphasizes cloud-native development, CI/CD, observability, and working with relational (Oracle) and NoSQL (MongoDB) data stores, in a high-velocity environment.

Qualifications

• Bachelor’s/University degree or equivalent experience.
• 4–8 years in an Apps Development role with delivery capabilities.
• Experience in high-traffic, distributed cloud-based services.
• Strong analytical and communication skills.

Responsibilities

• Design, develop, test, deploy, and maintain high-throughput microservices with Java 17/21, Spring Boot, and cloud-native stacks.
• Build and document robust RESTful APIs and event-driven interfaces per OpenAPI/Swagger.
• Design asynchronous workflows and event streaming with Kafka or JMS.
• Implement data persistence with Oracle and MongoDB, with optimized indexing and transactions.
• Enforce clean code, SOLID, DDD, and TDD/BDD practices.
• Create unit/integration/contract tests using JUnit 5 and Mockito.
• Develop CI/CD pipelines and containerize with Docker and Kubernetes/OpenShift.
• Enhance observability with OpenTelemetry, Micrometer, Prometheus, Grafana, and Splunk/ELK.
• Participate in Scrum/Kanban ceremonies and assist L3 incident management.

Skills

Java 17/21

Spring Boot

REST APIs

Kafka

JMS

Oracle

MongoDB

DDD

TDD/BDD

JUnit 5

Mockito

Docker

Kubernetes

OpenTelemetry

Monitoring

Agile

Communication

Education

Bachelor’s degree or equivalent

Tools

OpenShift

Swagger/OpenAPI

CI/CD

ELK/Grafana

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 using Apache 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 using Docker and Kubernetes / 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.

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