UI Software Engineer III - Frontend
J.P. Morgan
Software Engineering, Product, Design
Glasgow, UK
Posted on Mar 3, 2026
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.
As a Software Engineer III (UI Developer) at JPMorgan Chase within Finance Technology, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for building compelling, performant user interfaces and carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives. You will work on highly impactful projects, building client-facing applications with modern UI frameworks while leveraging your backend knowledge to deliver end-to-end solutions.
Job Responsibilities
- Develops performant, scalable, and responsive front-end applications using modern UI frameworks and best practices
- Implements micro frontend architectures to enable modular, maintainable, and independently deployable UI components
- Adopts the latest UI trends, techniques, and technologies to deliver exceptional user experiences
- Builds reusable capabilities and patterns for fast UI application development using firmwide UI toolkit and standards
- Writes comprehensive unit tests using Jest and other testing frameworks (React Testing Library, Playwrite) to ensure code quality and reliability
- Develops secure and high-quality production code with robust software design and architecture
- Demonstrates expert-level debugging skills using browser developer tools to identify and resolve complex front-end issues
- Drives decisions that influence the product design, application functionality, and technical operations and processes
- Designs and implements hands-on solutions while providing technical leadership and mentorship to more junior team members
- Contributes to software engineering communities of practice and events that explore new and emerging technologies
- Adds to team culture of diversity, opportunity, inclusion, and respect
Required Qualifications, Capabilities, and Skills
- Hands-on practical experience in UI development with proficiency in React.js, JavaScript/TypeScript, and building scalable front-end applications
- Strong understanding of modern React features (hooks, context, state management) and front-end architecture
- Proven experience with micro frontend architectures and component-based design patterns
- Strong expertise in unit testing frameworks, particularly Jest, React Testing Library, and end-to-end testing tools like Cypress
- Advanced debugging skills using browser developer tools (Chrome DevTools, Firefox Developer Tools) for performance profiling, network analysis, and troubleshooting
- Solid understanding of APIs (RESTful) and integration with backend services
- Experience in developing, debugging, and maintaining code in a large corporate environment
- Overall knowledge of the Software Development Life Cycle
- Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security
Preferred Qualifications, Capabilities, and Skills
- Knowledge of Python and backend technologies (e.g., FastAPI, Spring Boot) to collaborate effectively with backend teams
- Experience with JPMorgan's open source design system/UI toolkit SALT
- Familiarity with modern front-end build tools (Webpack, Vite) and deployment pipelines
- Practical experience with performance optimization techniques and web vitals
- Experience building in Cloud environments, particularly AWS
- Familiarity with design tools like Adobe Creative Suite, Sketch, or Figma. Understanding of secure coding practices and application resiliency
- Experience building reusable standardized UI capabilities for accelerated development. Excellent communication and collaboration skills with cross-functional teams
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.
Our professionals in our Corporate Functions cover a diverse range of areas from finance and risk to human resources and marketing. Our corporate teams are an essential part of our company, ensuring that we’re setting our businesses, clients, customers and employees up for success.
Design and deliver market-leading technology products in a secure and scalable way as a seasoned member of an agile team
