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Citi Logo Citi · IT - Software Development

Senior Blockchain Engineer

Ireland, Dublin 85600.00 - 128400.00 EUR / Year · Job Posted March 21, 2026
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Job Description

The Senior Blockchain Engineer at Citi Integrated Digital Assets Platform (CIDAP) must be a highly motivated and proactive hands-on software engineer (Back End, Java Focus) and have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing to build our Citi Integrated Digital Assets Platform (CIDAP). The ideal candidate will be a self-driven, proactive, strong enterprise developer and resourceful team player who can comfortably work with a large team of highly motivated individuals within Citi’s larger software engineering network. We are looking for candidates who understand how to build the backend of enterprise-grade web applications. The successful individual should understand the basics of web3 infrastructure, blockchain technology and digital assets, and must be a strong enterprise developer of web applications.

Job Responsibility

  • Collaborate with team members in implementation approach of web applications leveraging blockchain technology
  • Own and deliver functional scope end-to-end of applications leveraging blockchain technology meeting our quality standards
  • Solve solution engineering challenges to meet our stakeholders’ requirements and expectations
  • Know and properly use best and common practices, and design patterns for enterprise web applications
  • Know and properly use best and common practices, and design patterns for web3 applications
  • Properly use collaborative tools to manage and deliver work in a distributed team
  • Contribute and maintain tech documents for code and applications built and maintained
  • Be a team player and properly communicate in a distributed team
  • Help resolve/escalate issues as needed to successfully deliver projects on time, on budget and with quality

Requirements

  • Bachelor’s degree in CS or Engineering
  • 7 to 10 years of experience in full software development and testing lifecycle
  • 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
  • Familiarity of basics of DevOps and containerize applications is a plus
  • Familiarity of Agile Methodology and Scrum is a plus
  • 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
  • Strong engineering fundamentals (testing, code reviews, code structure, readable and maintainable code)
  • Hands-on development experience as a full stack developer building enterprise-grade web applications
  • Excellent computer science fundamentals: demonstrable command of data structures, algorithms, and design patterns along with capability to translate them into working, elegant code
  • Intricate knowledge of controls for consistent deployment and management of applications using best-in-class with toolsets such as git, Jira, Jenkins, Helm Charts, etc.

Nice to have

  • Experience from financial services industry is a plus
  • MS or PhD in computer science, or related discipline a plus

What we offer

  • Competitive base salary (which is annually reviewed)
  • Benefits that support you (and your family) to be well, live well and save well
  • Hybrid working model (up to 2 days working at home per week)
  • Business casual workplace
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