Senior React Engineer

Intetics Inc., a leading American technology company specializing in custom software application development, distributed professional teams creation, software product quality assessment, and “all-things-digital” solutions, is on the lookout for a Senior React Engineer to join our team and provide exceptional customer support.

Responsibilities

Build and maintain React 19 micro-frontends within an Nx monorepo using Module Federation, Native Federation, and Vite Implement config-driven UI rendering, including field definitions, visibility rules, and screen layouts driven by backend schema Develop shared component libraries used across five independent product teams Integrate MSAL authentication , Axios/fetch interceptors, and JWT-based API calls Implement form engine patterns, including dynamic field rendering, conditional visibility via ZEN expression evaluation, prefill, and validation Collaborate with UX and domain teams to translate design tokens into accessible, production-grade React components Apply render optimization patterns such as memo, useMemo, useCallback, React Compiler, and other performance best practices across remotes Write unit and integration tests and maintain coverage gates Work proactively and collaborate effectively with distributed teams

Requirements

5+ years of hands-on experience with React ; React 18+ preferred, React 19 is a strong plus

Strong experience with Nx monorepo , including project boundaries, library ownership, path aliases, and build targets Experience with Module Federation , including remote/host wiring, shared dependencies, and runtime integration Strong TypeScript skills, including strict mode, generics, and type narrowing Experience with state management tools such as Zustand or Jotai ; Redux Toolkit is acceptable Experience with authentication flows using MSAL React , OIDC code flow with PKCE, and Bearer token interceptors Experience with design systems using Tailwind CSS and shadcn/ui Understanding of component token discipline and OKLCH color usage Experience with testing tools such as Vitest , React Testing Library, and component-level integration tests Strong proactivity and ability to work independently English level: strong B1+ or higher

Nice to Have

Experience with Radix UI or shadcn headless component patterns Experience with AG Grid Community integration Angular experience Node.js experience Experience with ReactFlow for graph canvas surfaces Experience with GoRules ZEN engine, including @gorules/zen-engine-wasm and evaluating JDM decision tables in-browser i18n experience with react-i18next and locale-aware build pipelines Experience with CLTK