Software Engineer III - React

Overview

As a Software Engineer III on JPMorgan Chases Climate Nature & Social Risk Technology team, you will deliver trusted, scalable UI solutions in a secure environment. You will work within an agile team to design and implement enterprise web applications using React and TypeScript, aligning with a design system. You’ll lead UI design decisions, focus on quality, accessibility, and performance, and contribute to automation and AI-assisted development. This role offers impact through robust front-end delivery and collaboration across cross-functional partners.

Responsibilities

• Own delivery of complex UI features using React and TypeScript, aligned to design system and front-end standards
• Lead UI technical design including architecture, state management, API patterns, routing, and error handling
• Improve quality and operability via automated testing, accessibility, performance, and UI telemetry
• Enhance CI/CD for UI delivery, including linting, tests, quality gates, and release automation
• Utilize enterprise AI-assisted development tools to accelerate refactoring, feature changes, testing, and documentation with peer validation
• Develop architecture and design artifacts for complex applications and ensure they meet constraints
• Analyze data from large datasets to drive continuous improvement of software and systems
• Identify hidden problems and use insights to improve coding hygiene and system architecture

Key requirements

• Formal training or certification in software engineering concepts
• Strong hands-on experience with React + TypeScript and advanced component patterns
• Experience in UI testing (Jest/RTL and Cypress/Playwright) and debugging
• Proven ability to design accessible, performant UIs (WCAG, profiling, bundle optimization)
• Experience implementing and improving CI/CD for front-end applications with automated gates
• Disciplined use of AI coding assistants (Claude AI or equivalent) with verification
• Experience using enterprise AI-assisted development tools with validation for correctness, performance, and security
• Understanding of SDLC and agile practices including CI/CD, resiliency, and security
• mentoring engineers
• leading technical initiatives within a squad or across teams
• collaboration with cross-functional partners
• React
• TypeScript
• Jest

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