Senior Frontend Engineer - TypeScript & React Leader

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

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.