Senior Frontend & Fullstack UI Engineer (Hybrid, London)

Citibank (Switzerland) AG; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Job summary

Citigroup in London is seeking a Front End (UI) Software Engineer with senior-level expertise to architect and implement scalable, secure frontend and fullstack platforms. You will lead architecture decisions, drive design system adherence, and mentor teams across the software delivery lifecycle.

The role focuses on modern frontend tech such as React/TypeScript, API design (REST/GraphQL), and enterprise-grade web applications, with hybrid working up to 2 days at home per week.

Qualifications

• Extensive experience in frontend/fullstack engineering for enterprise web applications.
• Expert in modern frontend frameworks and design systems.
• Ability to design API integrations and architecture aligned with enterprise standards.
• Experience leading cross-functional teams and delivering complex projects.

Responsibilities

• Architect and implement scalable, secure frontend and fullstack platforms.
• Lead UI component libraries and design system adherence.
• Design and consume RESTful APIs and GraphQL endpoints.
• Mentor development teams and ensure CI/CD practices.

Skills

Frontend engineering

UI/UX collaboration

React/TypeScript

REST/GraphQL APIs

Architecture & design

Tools

Node.js

Java/Spring

Python

Job description

Citigroup in London is seeking a Front End (UI) Software Engineer with senior-level expertise to architect and implement scalable, secure frontend and fullstack platforms. You will lead architecture decisions, drive design system adherence, and mentor teams across the software delivery lifecycle.

The role focuses on modern frontend tech such as React/TypeScript, API design (REST/GraphQL), and enterprise-grade web applications, with hybrid working up to 2 days at home per week.