Software Engineer III – React / TypeScript, Gen AI, Frontend job at London Full Time NEW

Software Engineer III – React / TypeScript, Gen AI, Frontend

210744669

T10:02:48+00:00

London

Software Engineering

Full time

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.

As a Software Engineer III in the Securities Services team within the Commercial & Investment Bank, you will design and deliver secure, scalable technology products that drive business success. You will build and evolve a shared frontend platform and reusable UI patterns, focusing on performance, accessibility, and developer experience. You will help deliver AI-enabled user experiences and accelerate engineering velocity by responsibly using modern AI developer tools. Your work will directly impact our customers and the way we build technology.

This is a pure frontend position with a strong AI focus: you will help deliver AI-enabled user experiences and raise engineering velocity by using modern AI developer tools responsibly (e.g., AI-assisted coding, debugging, and test generation), while maintaining a high bar for correctness, security, and quality.

Job Responsibilities:

• Design, develop, and troubleshoot creative software solutions for technical challenges.
• Write secure, high-quality production code and maintain UI logic that integrates with shared platforms.
• Develop and maintain reusable React components and UI patterns for complex workflows.
• Build high-performance, data-intensive user interfaces using profiling and optimization techniques.
• Engineer accessible, inclusive experiences by partnering with UX and design teams.
• Write and maintain automated tests (unit, integration, end-to-end) to ensure reliability and quality.
• Collaborate with UX designers, product stakeholders, and developers to build custom UI components.
• Develop tools and automated processes to streamline development and enhance developer experience.
• Build Generative AI interface solutions using React and TypeScript, following CI/CD standards.
• Work closely with Product, UX, and cross-functional partners to deliver capabilities in agile sprints.
• Actively use AI development tools for code generation, refactoring, debugging, documentation, and testing.

Required Qualifications, Capabilities, and Skills:

• Formal training or certification in software engineering.
• Expertise in HTML, CSS, JavaScript, React, TypeScript, and state management.
• Experience optimizing and debugging performance and memory issues in web applications.
• Strong communication and collaboration skills with cross-functional teams.
• Familiarity with agile methodologies, production readiness, and security-aware development.
• Experience maintaining production UI code in large development teams.
• Understanding of user experience principles and customer-oriented development.
• Testing experience with component/unit and end-to-end tools (e.g., React Testing Library, Cypress, Playwright).
• Experience building or integrating Generative AI features in frontend products.
• Proficiency with CLI, Git, and CI/CD practices.
• Regular use of AI coding tools with strong validation and code quality practices.

Preferred Qualifications, Capabilities, and Skills:

• Exposure to cloud technologies and modern web delivery.
• Experience with shared UI platforms or component libraries.
• Strong accessibility engineering, including WCAG compliance and remediation.
• Experience improving developer experience at scale.
• Understanding of software best practices, development lifecycle, and Agile tools.

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.

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. Visit our FAQs for more information about requesting an accommodation.

J.P. Morgan’s Commercial & Investment Bank is a global leader across banking, markets, securities services and payments. Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world.