Senior Lead Software Engineer - React/JavaScript

J.P. Morgan

J.P. Morgan

Software Engineering

London, UK

Posted on Apr 22, 2026

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

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.
J.P. Morgan’s Commercial & Investment Bank is a global leader across banking, markets, securities services and payments. Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world.
Design and enhance a modern JavaScript and React order platform for derivatives trading, supporting client and internal trading.
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