Senior Blockchain Engineer - Backend & Web3 Platform

Citigroup Inc.; Greater London; Hybrid; GBP 100,000 - 170,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Private Medical Care & Life Insurance

Pension Plan

Learning and development resources

Job summary

Citi London is seeking a Senior Blockchain Engineer to join the Digital Assets Platform. You will build backend enterprise web applications using Java and spring, with a focus on web3 and CIDAP.

You will collaborate across global teams and contribute to scalable, secure software in production. Ideal candidates have strong backend skills, familiarity with web3 libraries, and experience in financial services.

Qualifications

• Bachelor’s degree in CS or Engineering (MS/PhD a plus).
• Extensive full software development life cycle experience.
• Backend web development with Java and Spring experience.

Responsibilities

• Collaborate with team on web applications using blockchain tech.
• Own end-to-end functional scope of applications leveraging blockchain.
• Solve engineering challenges to meet stakeholder requirements.
• Follow best practices and design patterns for enterprise apps.

Skills

Backend development

Java Spring

Web3 development

Team collaboration

Strong CS fundamentals

Education

Bachelor’s degree in CS or Engineering

Tools

Web3J

Web3JS

Git

Jira

Jenkins

Helm Charts

Job description

Citi London is seeking a Senior Blockchain Engineer to join the Digital Assets Platform. You will build backend enterprise web applications using Java and spring, with a focus on web3 and CIDAP.

You will collaborate across global teams and contribute to scalable, secure software in production. Ideal candidates have strong backend skills, familiarity with web3 libraries, and experience in financial services.