Lead Software Engineer - VP - Salt Design System

J.P. MORGAN; City Of London; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading financial services firm is seeking a Senior React developer to join their Digital Platform team. You will lead the development of the Salt Design System, creating effective, reusable UI components while collaborating with designers and product managers. The ideal candidate will have strong proficiency in React, Typescript, and JavaScript, along with a solid understanding of responsive web design principles.

Qualifications

• Led the creation or maintain a multi-tenant enterprise design system at scale.
• Existing proficiency in React, Typescript, and JavaScript.
• Solid understanding of HTML, CSS, and responsive web design.

Responsibilities

• Lead the development and maintain high-quality React components/patterns.
• Collaborate with designers to implement UI designs.
• Work closely with product managers and stakeholders.

Skills

React

Typescript

JavaScript

HTML

CSS

Responsive web design

Version control (Git)

UI accessibility

Problem-solving

Collaboration

Tools

esbuild

rollup

vite

Job description

Overview

Are you a Senior React developer seeking an exciting opportunity to contribute to the development of JP Morgan's Salt Design system? Are you looking to be part of a collaborative team that values Open Source, leads the way in CIB UI strategy, and is actively building a design system while fostering a collaborative community around its products?

The Front-end Development team at Digital Platform has an opening for a Lead Software engineer role. As a Front-end developer, you will play a crucial role in the development and delivery of the Salt Design System. We leverage the latest UI technologies to deliver the maximum value to our stakeholders.

The Salt design System is the next generation UI Toolkit for CIB (Commercial & Investment Bank). It provides a comprehensive set of core UI components that can be used by different lines of business to create reusable patterns for their business applications. These components and guidelines are designed to accelerate application design and development, while ensuring consistency and accessibility (WCAG 2.1) through stable design foundations.

Responsibilities

• Lead the development and maintain high-quality React components/patterns for the Salt Design System.
• Collaborate with designers to implement UI designs and ensure consistency across our digital products.
• Work closely with product managers, stakeholders and other developers to understand requirements and deliver solutions that meet business needs.
• Write clean, efficient, and maintainable code, following best practices and coding standards.
• Conduct code reviews and provide constructive feedback to ensure code quality and adherence to standards.
• Stay up-to-date with the latest trends and technologies in front-end development, and actively contribute to the improvement of our development processes and tools.
• Adds to team culture of diversity, equity, inclusion, and respect

Required qualifications, capabilities, and skills

• Led the creation or maintains a multi-tenant enterprise design system at scale
• Existing proficiency in React, Typescript and JavaScript.
• Solid understanding of HTML, CSS, and responsive web design.
• Familiarity with modern front-end development tools and libraries (e.g. esbuild, rollup, vite).
• Knowledge of version control systems (e.g., Git) and collaborative development workflows.
• Excellent problem-solving and debugging skills.
• Strong communication and collaboration skills, with the ability to work effectively in a team environment.
• Emerging knowledge, opinion and of software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.)
• A strong understanding of UI accessibility concerns
• Knowledge of open source design systems

Preferred qualifications, capabilities, and skills

• Familiarity with modern front-end technologies (e.g. NextJS, Remix)
• Existing open source contributor or library maintainer
• Asynchronous operations in Javascript (maybe using libraries such as Axios, RxJS)
• Familiarity with solving UI state management for components
• Clean Code advocate
• Figma plugin development
• Familiarity with one of JPM's existing design languages (UITK, MDS)