React UI Senior Lead Engineer - Synergy EMEA

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.

As a Senior Lead Software Engineer within the Equities Derivatives and Risk Technology team at JPMorgan Chase, you will play a pivotal role in an agile environment, driving the development and enhancement of market‑leading technology solutions. You will be hands‑on in building a critical, trader‑facing Risk Management UI using React, while also mentoring and guiding team members in best development practices.

Your expertise will directly influence business outcomes, leveraging deep technical skills and innovative problem‑solving to address complex challenges across multiple technologies and applications.

• Design, develop, and troubleshoot creative software solutions, applying innovative thinking to solve technical challenges and deliver robust systems.
• Write secure, high‑quality production code in React and Typescript, and conduct thorough code reviews and debugging for team contributions.
• Identify and implement opportunities to automate or remediate recurring issues, enhancing the operational stability of applications and systems.
• Lead technical evaluation sessions with external vendors, startups, and internal teams to assess architectural designs and technical suitability for integration with existing systems.
• Champion communities of practice within Software Engineering, promoting the adoption of new and emerging technologies.

• Formal training or certification in software engineering, with advanced proficiency in React.
• Strong experience with automation and continuous delivery (CI/CD) methodologies.
• Comprehensive understanding of the Software Development Life Cycle.
• Advanced knowledge of agile practices, including CI/CD, application resiliency, and security.
• Demonstrated expertise in software development and technical processes, with exposure to areas such as cloud, AI/ML, or mobile technologies.
• Hands‑on experience building complex web applications using React and Typescript.
• Familiarity with modern web build tools (e.g., webpack, Create React App, Vite).
• Proven ability to develop secure, high‑quality production Typescript code.
• Commitment to code quality, including writing and maintaining test cases with frameworks such as Jest, Cypress, and @testing-library/react, as well as conducting performance testing.
• Solid understanding of web performance optimization and diagnostics.
• Experience with Python 3 or higher.