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 ------------------------------------------------------ **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 (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi's_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal prospect and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.

📌 IOS Developer (Chennai)
🏢 Citigroup
📍 Chennai