Senior Lead Software Engineer - React Native

慨正橡扯; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

JPMorgan Chase is seeking a Lead Software Engineer - Front-End to join their International Consumer Bank team in Greater London. This role focuses on delivering cutting-edge solutions using cloud-native microservices architecture, providing the opportunity to make a real impact within an innovative banking environment.

Ideal candidates will have proficiencies in React, React Native, and a strong background in native development for Android/iOS. You will work in a dynamic flat-structure organization, collaborating with cross-functional teams to drive product success.

Qualifications

• Proficiency in React framework.
• Building applications using React Native in TypeScript or JavaScript.
• Native application development across Android/iOS in Kotlin/Swift.
• Understanding of REST APIs and GraphQL.
• Ability to write testable, clean JavaScript code.
• Comfortable working with projects partially or fully using TypeScript.
• Use latest React features such as Suspense and Hooks.
• End-to-end testing applications with Detox/Appium/WebdriverIO/Playwright.
• Extensive experience in modern web development, including responsive design and performance optimization.
• Hands-on experience with design systems and component libraries.

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 updates.
• Mentor junior developers, providing guidance on best practices and code reviews.
• Stay updated with the latest industry trends and best practices.
• Drive continuous improvement initiatives.

Skills

React framework

React Native in TypeScript or JavaScript

Native application development in Kotlin or Swift

REST APIs and GraphQL

Testable, clean JavaScript code

TypeScript

React features like Suspense and Hooks

End to end testing with Detox / Appium / WebdriverIO / Playwright

Responsive design and performance optimization

Design systems and component libraries

Job description

We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase UK, to revolutionize mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quickly catching up in the UK - but how we do things here is a little different. We're building the bank of the future from scratch, channeling our start‑up mentality every step of the way - meaning you'll have the opportunity to make a real impact.

As a Lead Software Engineer - Front‑End Engineer at JPMorgan Chase within the International Consumer Bank, you will be a part of a flat‑structure organization. Your responsibilities are to deliver end‑to‑end cutting‑edge solutions in the form of cloud‑native microservices architecture applications leveraging the latest technologies and the best industry practices. You are expected to be involved in the design and architecture of the solutions while also focusing on the entire SDLC lifecycle stages.

Job 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 the latest industry trends and best practices in mobile development.
• Drive continuous improvement initiatives to enhance development processes and workflows.

Required qualifications, capabilities and skills

• Proficiency in React framework
• Building applications using React Native in TypeScript or JavaScript
• Native application development across Android / iOS in Kotlin / Swift
• Understanding of REST APIs and GraphQL
• Ability to write testable, clean JavaScript code
• Comfortable working with projects partially or fully using TypeScript
• Using latest React features such as Suspense and Hooks
• End to end testing applications with Detox / Appium / WebdriverIO / Playwright
• Extensive experience in modern web development, including responsive design and performance optimization
• Hands‑on experience with design systems, component libraries, and implementing consistent UI/UX across large‑scale applications

Preferred qualifications, capabilities and skills

• Formal training or certification on JavaScript concepts and proficient advanced experience
• Strong knowledge of JavaScript, TypeScript, and ES6+ syntax
• Familiarity with writing unit tests
• Ability to work in a dynamic, agile environment within a geographically distributed team
• Ability to focus on promptly addressing customer needs
• Excellent written and verbal communication skills in English

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.