IOS Developer

Citi; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Citi is hiring a Software Engineer to design and develop high-throughput microservices using Java 17/21, Spring Boot, and cloud-native frameworks. You will architect RESTful APIs, event-driven interfaces, and scalable data stores with Oracle and MongoDB. The role emphasizes strong testing, CI/CD, and collaboration within an agile team.

Required 4–8 years in apps development, excellent communication, and experience delivering cloud-native services at scale. Full-time on-site role in India.

Qualifications

• 4–8 years in an Apps Development role.
• Strong experience with Java, Spring Boot, and cloud-native tech.
• Proficient in designing scalable microservices and REST APIs.
• Experience with CI/CD and cloud deployments.
• Excellent communication and collaboration.

Responsibilities

• Design, develop, test, deploy, and maintain high-throughput microservices using Java (17/21) and Spring Boot.
• Build and document robust RESTful APIs and event-driven interfaces per enterprise standards.
• Design asynchronous workflows and event pipelines using Kafka or JMS.
• Implement data persistence with Oracle and MongoDB, optimized indexing and transactions.
• Enforce clean code, SOLID, DDD, and TDD/BDD; contribute to automated tests.
• Contribute to CI/CD pipelines and containerization with Docker, Kubernetes/OpenShift.
• Participate in Scrum/Kanban ceremonies and production support during releases.

Skills

Microservices development

REST API design

DDD / TDD / BDD

Agile / Scrum

Education

Bachelor's degree

Tools

Java (17/21)

Spring Boot

OpenAPI/Swagger

Apache Kafka

Job description

Key Responsibilities

• Design & Development
  • Microservices Development: Design, develop, test, deploy, and maintain high-throughput, low-latency microservices using Java (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

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