JPMorgan Lead Front End Engineer - React 

United Kingdom, England, London 

953495572

Job responsibilities:

• 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.

Required qualifications, capabilities and skills:

• 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.

Preferred qualifications, capabilities and skills

Bachelor’s degree in Computer Science, Engineering or a related field.

Experience with Kubernetes

Experience with GraphQL

Experience with Node.js

Experience with Ruby and Ruby on Rails

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)