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

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.
• Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness.
• Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.
• Build Generative AI interface solutions using React and TypeScript, following CI/CD standards.
• Actively use AI development tools for code generation, refactoring, debugging, documentation, and testing; work closely with Product, UX, and cross-functional partners to deliver capabilities in agile sprints., 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.

• 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.
• Hands-on experience using enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security.
• Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices.
• 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.

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.
• 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.