Software Engineer II - Front End

J.P. Morgan; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A global financial services firm in the UK is looking for a Software Engineer II specializing in React and TypeScript. This role involves designing and developing software solutions within an agile team, contributing to the firm’s technology products. Candidates should have strong experience in React framework, TypeScript, and responsive design, along with practical knowledge of tools like Git and Figma. This position offers a unique opportunity to work on high-impact software applications.

Qualifications

• Strong proficiency in React and TypeScript essential.
• Experience with responsive CSS design.
• Good understanding of Software Development Life Cycle.

Responsibilities

• Design, develop, and troubleshoot software solutions.
• Write secure, high-quality code with minimal guidance.
• Gather and analyze diverse data sets for decision-making.

Skills

React framework proficiency

TypeScript understanding

CSS and responsive design

Version control with Git

Micro-frontend architecture exposure

Education

Formal training or certification in software engineering

Tools

Webpack

npm

Figma

Jest/Vitest

Cypress/Playwright

Job description

You’re ready to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you.

As a Software Engineer II (React TypeScript Developer) at JPMorgan Chase within the Commercial and Investment Banking Emerging Markets Team, you are part of an agile team that works to enhance, design, and deliver the software components of the firm’s state-of-the-art technology products in a secure, stable, and scalable way. As an emerging member of a software engineering team, you execute software solutions through the design, development, and technical troubleshooting of multiple components within a technical product, application, or system, while gaining the skills and experience needed to grow within your role.

Job responsibilities

• Executes standard software solutions, design, development, and technical troubleshooting
• Writes secure and high-quality code using the syntax of at least one programming language with limited guidance
• Designs, develops, codes, and troubleshoots with consideration of upstream and downstream systems and technical implications
• Applies knowledge of tools within the Software Development Life Cycle toolchain to improve the value realized by automation
• Applies technical troubleshooting to break down solutions and solve technical problems of basic complexity
• Gathers, analyzes, and draws conclusions from large, diverse data sets to identify problems and contribute to decision‑making in service of secure, stable application development
• Learns and applies system processes, methodologies, and skills for the development of secure, stable code and systems
• Adds to team culture of diversity, opportunity, inclusion, and respect

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and applied experience.
• Strong proficiency of React framework including component‑based architecture using a Design System, hooks, performance optimisations and rendering strategies.
• Strong proficiency and understanding of TypeScript including ES6+ syntax.
• Hands on practical experience leveraging CSS including use of preprocessors, libraries, media/container queries to deliver responsive designs.
• Familiarity with frontend build tools (Webpack, Vite, npm).
• Experience using version control with Github/Bitbucket.
• Familiar with using Figma to review Designs and translate specs from Design to Code.
• Experience writing units tests using Jest/Vitest and end to end tests using Cypress/Playwright.
• Exposure to micro‑frontend architectures using Modular Federation or Native Federation.
• Hands‑on practical experience delivering application development, testing, and operational stability
• Experience integrating with RESTful APIs, and handling asynchronous data.
• Proficient in all aspects of the Software Development Life Cycle.

Preferred qualifications, capabilities, and skills

• Familiarity with modern front‑end technologies and techniques like React, TypeScript Microfrontends.
• Proficiency with AI code assistants for rapid prototyping and end delivery of Frontend functionality.
• Experience with deploying Frontend features to cloud providers (e.g. AWS, Google Cloud, Azure)