React/JavaScript Front-End Software Engineer III

JPMorgan Chase & Co.; City Of London; On-site; GBP 65,000 - 85,000; Full time

Job summary

A leading financial services firm in London is seeking a React/JavaScript Front-End Software Engineer III to join their dynamic team. You will focus on efficient software development, contributing to a system that prioritizes automation and quality. The ideal candidate will have strong experience in modern React practices, automated testing frameworks, and a collaborative mindset. This position offers a supportive environment conducive to innovation and professional growth.

Qualifications

• Strong experience in modern React practices including hooks and context.
• Ability to build scalable and responsive user interfaces.
• Experience with integrating front-end applications with RESTful APIs.

Responsibilities

• Work with Product Owner and Customers to elicit system requirements.
• Design, architect, estimate and implement software deliverables.
• Automate unit, integration and acceptance testing.

Skills

Proficient in React

Experience with automated testing frameworks

Familiarity with design systems

Practical experience with Javascript

Experience with frontend build tools

Tools

Webpack

Jest

React Testing Library

Job description

React/JavaScript Front-End Software Engineer III

JPMorgan Chase & Co. London, United Kingdom

Job Description

Join a dynamic team where we prioritize efficient, high-quality software development. Our fully implemented CI/CD allows us to deploy to production every day with just a click of a button, freeing our developers from the burden of release maintenance, paperwork, and manual regression testing.

You will contribute to a system where automation drives productivity and guarantees reliability of every release.

We follow Scrum practices to ensure smooth and organized workflows. Every task is clearly defined, estimated, and refined by the team. Our sprints are planned with a limited, realistic scope, carefully considering the team\'s velocity to maintain balance and focus. Regular retrospectives allow us to continuously improve our processes, ensuring that we learn and grow as a team.

You will be working in an environment that encourages focusing on building and improving the quality of the product, rather than spending time on regular customer support tasks. Our goal is to provide developers with the space and resources to innovate and enhance the product, driving long-term success.

Responsibilities

• Work with Product Owner and Customers to elicit system requirements
• Design, architect, estimate and implement software deliverables
• Automate unit, integration and acceptance testing

Qualifications

• Proficient in React, with strong experience in modern React practices including hooks, context, and component architecture.
• Demonstrated ability to work with component design system to build scalable and responsive user interfaces.
• Experience with automated testing frameworks for frontend applications (e.g., Jest, React Testing Library) to ensure high-quality code.
• Exposure to integrating front-end applications with RESTful APIs.
• Familiarity with design systems and best practices in UI/UX to ensure consistent and intuitive user experiences.
• Experience with modern frontend build tools and package managers (e.g., Webpack).
• Practical experience with Javascript for building robust and maintainable applications.

Preferred Qualifications

• Knowledge of UX design principles and ability to collaborate with designers to implement visually compelling interfaces (experience with Figma is a plus).
• Practical experience with end-to-end testing frameworks (Playwright, Cypress).
• Exposure to micro-frontend patterns and orchestration techniques, including utilizing container approaches for integrating multiple frontend modules.

About Us

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.

About the Team

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.

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