Software Engineer III- Web- React- Mid Level

JPMorgan Chase & Co.; City of Westminster; On-site; GBP 55,000 - 75,000; Full time

Job summary

A global financial services leader is seeking a Web Engineer to develop and deliver web applications. The ideal candidate will have strong proficiency in React and experience with web technologies. Responsibilities include creating new features and maintaining high standards of code quality. A Bachelor's degree in Computer Science is preferred. This position offers a dynamic environment focused on innovation and high-quality customer interactions.

Qualifications

• Strong proficiency in React and its core principles.
• Proven track record of building and maintaining customer‑centric web applications.
• Experience with testing frameworks such as Jest or RTL.

Responsibilities

• Develop and deliver product features as part of larger epic initiatives.
• Identify, troubleshoot and resolve existing or newly identified prioritised defects.
• Ensure high-quality code through solid testing and adherence to best practices.

Skills

React

JavaScript ES6

HTML5

CSS

Docker

Version Control (Git)

Analytical Skills

Problem-Solving

Education

Bachelor's degree in Computer Science or related field

Tools

Chrome Developer Tools

Jenkins

AWS

Job description

Overview

J.P. Morgan Personal Investing offers award-winning investments, products and digital wealth management services to over 275,000 investors in the UK. We built the business with innovation as a core part of our ethos to give consumers the confidence and clarity to make informed investment decisions and achieve their financial goals.

Responsibilities and Qualifications

• Develop and deliver product features as part of larger domain‑owned epic initiatives.
• Identify, troubleshoot and resolve existing or newly‑identified prioritised defects.
• Ensure high‑quality code through solid testing and adherence to best practices/standards.
• Work collaboratively with cross‑functional teams and contribute to team discussions/meetings/guilds.
• Participate in code reviews to maintain code quality and share ideas/knowledge among your peers.
• Create and maintain technical documentation as part of new features or spike discoveries.
• Build an understanding of product and technology for owned domain areas.
• Actively participate in scrum ceremonies including daily stand‑ups, sprint planning and retrospectives.
• Consider Accessibility (WCAG), Security, Observability & Performance as part of all owned applications/deliverables.
• Proven track record of building and maintaining customer‑centric web applications/SPAs.
• Excellent verbal and written communication skills.
• Strong proficiency in React and its core principles.
• Solid grasp of Web fundamentals:
  • HTML5 (Semantics & Structure)
  • CSS (Responsive Design, Specificity)
  • JavaScript ES6
  • General Networking (HTTP, IP & DNS, Caching)
• Proficient with Chrome Developer Tools or browser equivalent.
• Experience with version control tools (VCS), preferably Git.
• Experience with Docker.
• Strong analytical and problem‑solving skills.
• Proactive communicator with owned assignments.
• Ability to manage time effectively and meet realistic deadlines.
• Experience with testing frameworks such as Jest or RTL.
• Understanding of build tools such as Webpack, Vite, Parcel.
• Understanding of pre‑processors such as SASS, CSS Modules, JS Compilation.
• Understanding of CI/CD platforms such as Jenkins and GitHub Actions.
• As a Web Engineer at JPM Personal Investing, you will be responsible for the web applications that make Nutmeg run.

Preferred Qualifications

• Bachelor's degree in Computer Science, Engineering or a related field.
• A passion for self‑development and learning, staying up to date with the latest Web/React trends and technologies.
• Experience with Kubernetes.
• Experience with GraphQL.
• Experience with Node.js.
• Worked with GraphQL APIs.
• Feature flagging/AB testing.
• Appreciation/Exposure to React Native.
• Knowledge of other JavaScript frameworks like Angular, Vue, Next.js, Gatsby.
• Familiarity with agile methodologies beyond Scrum.
• Delivery experience on cloud platforms and familiarity with AWS.
• Experience with Design systems (UI Development, White‑labelling).
• Commercial experience in the Finance industry.

About J.P. Morgan

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.