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React Native Senior Mobile Developer

Citi

$107,120 - $160,680
Sep 23, 2025
New Castle County, DE, US
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The Applications Development Senior Programmer Analyst is needed to contribute to applications systems analysis and programming activities, specifically in the establishment and implementation of new or revised application systems and programs.

Requirements

  • Experience in writing native components using java for Android and objective-C for IOS
  • Strong experience in practical Single page application design and development experience
  • Experience in Design and development of React Native App to support IOS and Android
  • Experience in redux operations, flex layout for react, UI design and responsive layouts
  • Knowledge on the Push notifications, biometrics authentication, wallets, deep linking in mobile apps
  • Knowledge on JavaScript language ( including ES6+)
  • Significant experience in developing native modules / plugins
  • Worked on source code management such as SVN, GIT, Bit Bucket and good knowledge of CI/CD pipeline.
  • Knowledge on the build and distribution tools XCODE, Android studio and Gradle
  • Deep understanding of mobile based security aspects
  • Solid understanding and experience of integrating with backend Web Services

Responsibilities

  • Design, code, test, document and implement application release projects as part of development team.
  • Work with onsite development partners to participate in design and architecture for key enterprise applications to ensure deliver software on time, to required standards and as per the design documentation.
  • Proactively notify Development Project Manager of risks, bottlenecks, problems, issues, and concerns.
  • Compliance with Citi's System Development Lifecycle and Information Security requirements
  • Will work closely with Quality Control teams to deliver quality software to agreed project schedules
  • Work with BA and understand all functional and technical requirements of the project

Other

  • Acts as SME to senior stakeholders and /or other team members.
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
  • Bachelor’s degree/University degree or equivalent experience