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Senior Lead Software Engineer - React/JavaScript

JPMorganChase
April 21, 2026
Full-time
On-site
London, United Kingdom
Description

As a Software Engineer at JPMorgan Chase within F&O Execution Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. We support the #1 ranked execution business, and you will be expected to drive significant business impact through your capabilities and contributions. You will need to apply deep technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications.

 

Working within a team of experienced technologists, you will participate in all aspects of e-trading development life cycle, from designing a scalable architecture to deployment with a focus on stability and performance.

 

Job Responsibilities

  • Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and vendors.
  • Develops secure and high-quality production code, and reviews and debugs code written by others.
  • Drives decisions that influence the product design, application functionality, and technical operations and processes.
  • Serves as a function-wide subject matter expert in one or more areas of focus.
  • Actively contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle.
  • Influences peers and project decision-makers to consider the use and application of leading-edge technologies.
  • Adds to the team culture of diversity, opportunity, inclusion, and respect.
  • Lead projects independently and provide guidance to other members of the team.

 

Required qualifications, capabilities, and skills

  • 8+ years of experience in systems and technology, preferably with exposure to financial systems

  • 5+ years of experience coding in JavaScript / TypeScript

  • React framework

  • JEST & React testing libraries

  • CSS styling

 

Preferred qualifications, capabilities, and skills

  • Bachelor’s degree in STEM.
  • Exposure to financial industry, Future & Options is a plus.
  • FIX protocol and workflow understanding.
  • Experience with one or more extra programming language(s).
  • Webpack and Babel frameworks
  • Material UI and JSS
  • AG Grid