Lead Front End Software Engineer - TypeScript React - Vice President

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

Job summary

A leading global financial services firm is seeking a Lead Software Engineer specialized in TypeScript and React to join their Commercial and Investment Banking Emerging Markets Team in Greater London. The successful candidate will collaborate with product teams to create high-quality UI interfaces while mentoring junior developers and ensuring high code standards. This is an excellent opportunity to work in a dynamic environment that values innovation, diversity, and teamwork.

Qualifications

• Formal training or certification in software engineering.
• Expertise in React and TypeScript.
• Strong experience in responsive design and build tools.

Responsibilities

• Build UI functionality with product teams.
• Mentor and provide code reviews for junior engineers.
• Develop secure and high-quality production code.

Skills

React framework proficiency

TypeScript expertise

CSS and responsive design

Version control with Git/GitHub

Unit testing with Jest

Understanding of agile methodologies

Tools

Webpack

Figma

Cypress

Job description

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.

As a Lead Software Engineer (TypeScript React Developer) at JPMorgan Chase within the Commercial and Investment Banking Emerging Markets Team, youare an integral part of an agile team that works to enhance, build, and deliver trusted market-leading 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

• Partners with product and design teams to build UI functionality that meet core business outcomes.
• Advocate for and encourage high standards and best practices to maintain high code quality. Providing constructive and insightful feedback to teammates, participating in a strong engineering culture.
• Mentor and coach junior engineers through detailed and comprehensive code reviews.
• Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems.
• Develops secure high-quality production code, and reviews and debugs code written by others.
• Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems.
• Apply agile methodologies and use collaborative tools for effective teamwork and knowledge sharing.
• Implement and maintain unit and UI tests to ensure reliability and performance.
• Participate in code reviews to improve quality and share knowledge.
• Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies.
• Adds to team culture of diversity, opportunity, inclusion, and respect.

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and several years of extensive applied experience.
• Expert proficiency of React framework including component-based architecture using a Design System, hooks, performance optimisations and rendering strategies.
• Expert proficiency and understanding of TypeScript including ES6+ syntax.
• Strong 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.
• Understanding of agile methodologies such as CI/CD, Application Resiliency, and Security.

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)