Lead Frontend Engineer - React Native & TypeScript

JPMorgan Chase & Co.; Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

JPMorgan Chase & Co. is seeking a Lead Software Engineer - Front-End Engineer to drive end-to-end cloud-native front-end solutions within the International Consumer Bank.

You will contribute to design, architecture, and SDLC across a distributed team of engineers, focusing on scalable, secure, and high-quality web and mobile experiences. Ideal candidates bring strong JavaScript/TypeScript skills, hands-on React/React Native experience, and a proactive approach to mentorship, testing, and

Qualifications

• Experience with JavaScript, TypeScript and ES6+ syntax.

Responsibilities

• Collaborate with cross-functional teams to define, design, and ship new features.
• Create and maintain clean, efficient, and reusable codebase.
• Conduct thorough testing to ensure robustness and reliability of applications.
• Troubleshoot and debug issues, ensuring smooth application functionality.
• Communicate effectively with stakeholders to gather requirements and provide progress updates.
• Mentor junior developers, providing guidance on best practices and code reviews.
• Stay updated with latest industry trends and best practices in mobile development.
• Drive continuous improvement initiatives to enhance development processes and workflows.
• Adopt AI-assisted engineering practices to improve code quality, delivery speed, and operational outcomes.

Skills

JavaScript concepts

TypeScript

ES6+ syntax

Writing testable code

Unit tests

Agile environment

English communication

AI-assisted tools

Responsible AI in engineering

Tools

React

React Native

REST APIs

GraphQL

Detox

Appium

WebdriverIO

Playwright

Job description

JPMorgan Chase & Co. is seeking a Lead Software Engineer - Front-End Engineer to drive end-to-end cloud-native front-end solutions within the International Consumer Bank.

You will contribute to design, architecture, and SDLC across a distributed team of engineers, focusing on scalable, secure, and high-quality web and mobile experiences. Ideal candidates bring strong JavaScript/TypeScript skills, hands-on React/React Native experience, and a proactive approach to mentorship, testing, and