Lead Software Engineer - Sr. Ui Developer

JPMorgan Chase JPMorgan Chase · Banking · OH · Consumer & Community Banking

Lead Software Engineer (Sr. UI Developer) at JPMorgan Chase, focusing on designing and delivering high-performance web applications using modern UI frameworks like React. The role involves collaborating with cross-functional teams, writing clean code, optimizing performance, and driving the adoption of AI-assisted engineering practices within the team. Requires deep expertise in React.js, JavaScript, HTML, and CSS, with a strong understanding of agile development and responsible AI use in engineering workflows.

What you'd actually do

  1. Design and develop responsive, scalable, and high-performance web applications using modern UI frameworks (such as React, Angular, or Vue.js) in alignment with business requirements and design specifications.
  2. Work closely with product owners, UX designers, backend developers, and QA engineers to deliver seamless and integrated user experiences.
  3. Write clean, maintainable, and well-documented code. Adhere to coding standards, perform code reviews, and ensure compliance with accessibility and security guidelines.
  4. Identify and resolve UI performance bottlenecks. Optimize application speed, responsiveness, and scalability.
  5. Drives team adoption of enterprise-authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team.

Skills

Required

  • Formal training or certification on software engineering concepts and 5+ years applied experience
  • Deep expertise in React.js, including hooks, context, component lifecycle, and state management
  • Advanced proficiency in vanilla JavaScript (ES6+), including asynchronous programming, DOM manipulation, and event handling.
  • Strong understanding of HTML5 and CSS3, with experience building responsive and accessible web interfaces.
  • Experience integrating with RESTful APIs and handling data flow between front-end and back-end systems.
  • Familiarity with UI testing frameworks and tools such as Jest, React Testing Library, Playwright or Cypress.
  • Demonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security.
  • Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices.
  • Knowledge of web accessibility standards (WCAG) and secure coding practices.
  • Demonstrated problem-solving skills and attention to detail in troubleshooting, optimizing, and debugging complex UI applications across various browsers and devices, and willingness to mentor junior developers and contribute to team knowledge sharing.
  • Strong communication and collaboration skills, with proven ability to work effectively in cross-functional teams within Agile/Scrum development environments as well as commitment to continuous learning and staying updated with React.js and front-end development trends

Nice to have

  • Exposure to Java Development
  • Exposure to cloud technologies, AWS certified a plus

What the JD emphasized

  • strong technical skills
  • thorough understanding of the agile development process
  • strong experience in HTML, CSS, and JavaScript
  • passion for creating the best user experience possible
  • Deep expertise in React.js
  • Advanced proficiency in vanilla JavaScript (ES6+)
  • Strong understanding of HTML5 and CSS3
  • Experience integrating with RESTful APIs
  • Familiarity with UI testing frameworks and tools
  • Demonstrated experience leading effective use of approved AI-assisted software development tools
  • Strong understanding of responsible AI use in engineering workflows
  • Demonstrated problem-solving skills and attention to detail
  • Strong communication and collaboration skills