Software Engineer III- UI & AI

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

Job summary

A leading global financial institution is seeking a Software Engineer III - Front End Engineer to join their team. In this role, you will develop AI-powered features within a cloud-native architecture and maintain high coding standards. The ideal candidate is proficient in JavaScript and React, has experience in agile environments, and is passionate about technology. Collaborating with multiple teams, you will ensure user-friendly applications and provide mentorship to junior developers. This opportunity contributes to innovative solutions in mobile banking.

Qualifications

• Proficient in JavaScript and capable of writing clean, testable code.
• Experience with the React framework is essential.
• Ability to communicate effectively and work within teams.

Responsibilities

• Integrate AI-powered features into applications.
• Collaborate with teams for seamless user experiences.
• Conduct thorough testing for reliability.
• Mentor junior developers on best practices.

Skills

JavaScript proficiency

React framework

Unit testing

REST APIs

GraphQL

Agile environment

Customer-focused

Excellent communication

Education

Formal training or certification on JavaScript concepts

Tools

React Native

TypeScript

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 revolutionise 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, channelling our start‑up mentality every step of the way – meaning you'll have the opportunity to make a real impact.

As a Software Engineer III - 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.

Our Front‑End Engineering team is at the heart of this venture, focused on getting smart ideas into the hands of our customers. We're looking for people who have a curious mindset, thrive in collaborative squads, and are passionate about new technology. By their nature, our people are also solution‑oriented, commercially savvy and have a head for fintech.

Job responsibilities

• Integrate and deliver AI‑powered features into customer‑facing applications (on mobile/web).
• Collaborate with AI and platform teams to ensure seamless and secure user experiences when interacting with AI services.
• 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

• Formal training or certification on JavaScript concepts and proficient applied experience
• Ability to write testable, clean JavaScript code
• Proficiency in React framework
• Familiarity with writing unit tests
• Understanding of REST APIs and GraphQL
• 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

Preferred qualifications, capabilities and skills

• Experience integrating AI APIs or services into front‑end applications.
• Knowledge of best practices for building user experiences that incorporate generative and agentic AI.
• Experience optimizing performance and reliability of AI‑powered user interfaces.
• Building applications using React Native in TypeScript or JavaScript
• Native application development across Android / iOS in Kotlin/Swift & 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