Software Engineer III - Senior Associate with proficiency in React, Typescript and JavaScript.

J.P. Morgan; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading financial institution in Greater London is seeking a skilled React developer to contribute to the development of their Salt Design system. You will actively participate in building reusable UI components and collaborate with designers and product managers to ensure design consistency. The ideal candidate should possess strong proficiency in React, Typescript, and JavaScript, and a solid understanding of front-end technologies. This position offers a collaborative team environment with a focus on modern development practices.

Qualifications

• Proficiency in React, Typescript, and JavaScript.
• Solid understanding of HTML, CSS and responsive web design.
• Familiarity with modern front-end development tools and libraries.

Responsibilities

• Develop and maintain high-quality React components.
• Collaborate with designers to ensure consistent UI.
• Write clean, efficient, and maintainable code.
• Conduct code reviews and provide constructive feedback.

Skills

React

Typescript

JavaScript

HTML

CSS

Responsive web design

Git

Problem-solving

Communication

Tools

esbuild

rollup

vite

Job description

Are you a 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 an Associate 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.

Job responsibilities

• Develop and maintain high-quality React components for the Salt Design System.
• Collaborate with designers to implement UI designs and ensure consistency across our digital products.
• Work closely with product managers 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

• 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.)

Preferred qualifications, capabilities, and skills

• Preferable experience in building reusable UI components or working with design systems.
• Familiarity with modern front-end technologies (e.g. NextJS, Remix)
• Asynchronous operations in Javascript (maybe using libraries such as Axios, RxJS)
• Familiarity with solving UI state management
• Already contributes to an Open Source project
• Clean Code advocate
• An understanding of UI accessibility concerns
• Familiarity with one of JPM's existing design languages (UITK, MDS)