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Senior Blockchain Engineer - Digital Assets Platform

Job in London, Greater London, W1B, England, UK
Listing for: Citigroup
Full Time position
Listed on 2026-09-08
Job specializations:
  • Software Development
    Full Stack Developer, Blockchain / Web3, Backend Developer, Software Engineer
Job Description & How to Apply Below
Job d:

Location:

London, England, United Kingdom Category:
Technology, Applications Development, Professional Company:
Citi Senior Blockchain Engineer - Digital Assets Platform Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview An Digital Assets Platform Senior Blockchain Engineer must be a highly motivated and proactive hands-on software engineer (Back End, Java Focus), 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. Experience and knowledge of web3 application development is a plus.

Key Responsibilities:

In this role, you will be handling the following (but not limited to) 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

To 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

Qualifications/ Experience Bachelor’s degree in CS or Engineering; MS or PhD in computer science, or related discipline a plus Extensive experience in full software development and testing lifecycle. Experience from financial services industry is a plus.

Proven experience and expertise with Backend web development with Java spring

Proven experience in web3 application development is a plus Solid 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 Dev Ops and containerize applications is a plus Familiarity of Agile Methodology and Scrum is a plus Competencies/ Skills 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.

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…
Position Requirements
10+ Years work experience
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