Software Engineer III - React Engineer

JPMorgan Chase & Co.-posted 14 days ago
Full-time • Mid Level
Seattle, WA
5,001-10,000 employees
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We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III - React Engineer at JPMorgan Chase within Commercial and Investment Banking, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives. In particular, you will work on critical solutions using React, Spring Boot, and AWS, supporting the firm's objectives. Your role will also involve building web applications, integrating with microservices, and contributing to the evolution of our front-end architecture.

  • Design, develop, and troubleshoot scalable React-based applications with a focus on performance and maintainability.
  • Write secure, high-quality production code using JavaScript/TypeScript and modern React features (e.g., hooks, context, state management).
  • Collaborate closely with backend engineers (Spring Boot, AWS) to deliver seamless end-to-end solutions.
  • Develop, consume, and maintain RESTful and GraphQL APIs, ensuring robust integration between front-end and microservices.
  • Contribute to the design and implementation of micro front ends within a microservices architecture (e.g., using Module Federation, Single-SPA).
  • Implement and maintain front-end testing using tools such as Jest, React Testing Library, and Cypress and utilize modern front-end build tools and deployment pipelines (e.g., Webpack, Babel, Vite, Jenkins, GitHub Actions).
  • Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development
  • Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems
  • Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture
  • Contributes to software engineering communities of practice and events that explore new and emerging technologies
  • Adds to team culture of diversity, opportunity, inclusion, and respect
  • Formal training or certification on software engineering concepts and 3+ years applied experience
  • Hands-on practical experience in system design, application development, testing, and operational stability
  • Proficient in coding in one or more languages; React.js, JavaScript/TypeScript, and building scaleable front-end applications
  • Strong understanding of modern React features (hooks, context, state management) and front-end architecture
  • Experience with micro front ends and microservices architectures and experience with front-end testing frameworks (Jest, React Testing Library, Cypress)
  • Solid understanding of APIs (RESTful, GraphQL) and integration with backend services
  • Familiarity with Spring Boot and AWS cloud services
  • Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages
  • Overall knowledge of the Software Development Life Cycle
  • Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security
  • Demonstrated knowledge of software applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.)
  • Experience migrating applications from Angular to React.
  • Exposure to cloud technologies, especially AWS.
  • Familiarity with modern front-end build tools and deployment pipelines.
  • Understanding of secure coding practices and application resiliency.
  • Excellent communication and collaboration skills.
  • Experience mentoring junior engineers.
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