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IOS Developer

CitigroupCitigroup·Financial Services

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Sponsorship

H-1B history

This company has a track record of sponsoring H-1B visas.

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About the role

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

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Job Family Group:

Technology

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Job Family:

Digital Software Engineering

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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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.

Skills & Tags

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Aplyr's read

Citigroup is a global financial services leader offering diverse roles, attracting professionals in finance, technology, and operations seeking international exposure and advancement.

Synthesized from recent postings & public sources

What's promising

  • •Citigroup's global presence offers employees opportunities for international career advancement.
  • •The company invests heavily in technology, providing roles for tech-savvy professionals.
  • •Citigroup's diverse services allow for career growth across multiple financial sectors.

What to watch

  • •Citigroup has faced regulatory challenges impacting its operations and reputation.
  • •The company's size can lead to bureaucratic processes that slow decision-making.
  • •Citigroup's restructuring efforts may create uncertainty in job stability.

Why Citigroup

  • •Citigroup's extensive global network differentiates it from many competitors.
  • •The firm's commitment to innovation is evident in its technology-driven roles.
  • •Citigroup offers specialized roles requiring language skills, such as Japanese-speaking positions.

Aplyr’s read is generated by AI from public sources. Was it useful?

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About Citigroup

Citi, also known as Citigroup Inc., is a global financial services corporation that provides a wide range of financial products and services to consumers, corporations, governments, and institutions.

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