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React Software Engineer II

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React Software Engineer II in USA

  • JPMorgan Chase
  • Full time
  • Email
  • Jersey City, NJ

Responsibilities

  • Deliver UI features using React and TypeScript in alignment with design-system, front-end engineering, and secure-coding standards.
  • Implement GraphQL client integrations, including query and mutation design, caching, pagination, error handling, and performance optimization.
  • Contribute to component architecture, state management, routing, failure handling, and maintainable technical documentation.
  • Build and integrate independently deployable micro-frontend modules within a multi-team ecosystem.
  • Support independent UI release cycles through versioning, automated quality gates, release-readiness checks, and rollback strategies where applicable.
  • Drive quality through unit, component, and end-to-end testing, accessibility practices, performance optimization, and client-side monitoring.
  • Apply SDLC, code review, linting, type-checking, CI/CD, and automated testing practices to reduce regressions and flaky tests.
  • Use enterprise-authorized AI-assisted development tools for refactoring, feature work, debugging, testing, and documentation while validating outputs.
  • Apply responsible AI practices, including sensitive-data handling, injection-aware UI patterns, timeouts, fallbacks, and graceful degradation.
  • Partner with backend engineers and product stakeholders to deliver cohesive end-to-end experiences and proactively resolve defects, UX issues, and performance bottlenecks.

Requirements

  • Formal training or certification in software engineering concepts plus 2+ years of applied experience, or equivalent experience.
  • Strong hands-on React and TypeScript web application development experience, including component composition, hooks, and state management.
  • Required experience with micro-frontends, independently deployable UI modules, runtime integration, and shared multi-team standards.
  • Experience supporting independent application or UI release cycles with CI/CD-driven releases and disciplined change management.
  • Experience with unit and component testing, such as Jest and React Testing Library, plus exposure to end-to-end testing with Playwright, Cypress, or equivalent.
  • Understanding of front-end SDLC and CI/CD practices, including code review, automated quality checks, and release hygiene.
  • Working knowledge of accessible and performant UI development, including WCAG awareness, semantic HTML, profiling, and bundle-performance considerations.
  • Hands-on experience with enterprise-authorized AI-assisted software development tools and the ability to validate outputs for correctness, performance, and security.
  • Understanding of responsible AI engineering, data sensitivity, secure input/output handling, and resiliency expectations.
  • Preferred experience includes design systems, GraphQL client ecosystems such as Apollo Client or Relay, typed-operation code generation, Next.js or other SSR frameworks, backend-for-frontend patterns, web observability, and improving test reliability and code quality.

Benefits

  • Competitive total rewards package with benefits eligibility determined by role and individual circumstances.
  • Benefits may include comprehensive health care coverage, on-site health and wellness centers, retirement savings, backup childcare, tuition reimbursement, mental health support, and financial coaching.
  • JPMorganChase provides equal-opportunity employment and reasonable accommodations for religious practices and mental or physical disabilities.

Salary: $124k - $150k/yr

JPMorgan Chase

With a history tracing its roots to 1799 in New York City, JPMorganChase is one of the world's oldest, largest, and best-known financial institutions—carrying forth the innovative spirit of our heritage firms in global operations across 100 markets. We serve millions of customers and many of the ...

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