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: Blockchain Senior Backend Engineer - Innovation Labs

Citi

$142,320 - $213,480
Sep 24, 2025
New York, NY, US
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Citi is looking to build and enhance its Citi Integrated Digital Assets Platform (CIDAP) by hiring a Senior Engineer who can contribute to the backend development of enterprise-grade web applications leveraging blockchain technology and digital assets.

Requirements

  • 5 to 7 years of experience and expertise with Backend web development with Java spring
  • 1 to 3 years of experience in web3 application development is a plus
  • 1 to 3 years of experience and expertise developing web applications using asynchronous programming and communication
  • Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance
  • Familiarity with web3 libraries like Web3J and Web3JS is a plus
  • Familiarity with common and best practices for web3 applications is a plus
  • Familiarity of Solidity code and best practices is a plus

Responsibilities

  • To collaborate with team members in implementation approach of web applications leveraging blockchain technology
  • To own and to delivery functional scope end-to-end of applications leveraging blockchain technology meeting our quality standards
  • To solve solution engineering challenges to meet our stakeholders’ requirements and expectations
  • To know and properly use best and common practices, and design patterns for enterprise web applications
  • To know and properly use best and common practices, and design patterns for web3 applications
  • To properly use collaborative tools to manage and deliver work in a distributed team
  • To contribute and maintain tech documents for code and applications built and maintained

Other

  • Bachelor’s degree in CS or Engineering; MS or PhD in computer science, or related discipline a plus
  • 7 to 10 years of experience in full software development and testing lifecycle. Experience from financial services industry is a plus.
  • Enjoy coding :)
  • Strong team player with ability to communicate to technical / non-technical stakeholders at all levels and a start-up mindset.
  • Proven history of delivering high-quality, increasingly complex, commercial software products.