Front-end Engineer (HubSpot CMS + React)

**About the job** Our client is seeking a ***front\-end engineer*** who can *bridge marketing and engineering by developing and maintaining high\-quality HubSpot CMS themes and React components* . They are looking for *someone who writes clean, scalable code, integrates seamlessly with tools* like Stripe and Google Maps, and *prioritizes accessibility, performance, and user experience* . The ideal candidate can take full ownership of features— **from development to deployment** —bringing both technical precision and design sensitivity to a fast\-growing, high\-impact digital environment. **What they’ll own**   * Build and maintain HubSpot CMS theme files, custom modules, and page templates * Develop and evolve the React order form that runs inside HubSpot * Work on the Vite SSR app for Stripe and the small Express server that supports the form * Style and UX polish across pages and modules, aligned with your theme settings * Handle client\-side data flow, validation, and error states * Ship observability hooks and fix issues using Sentry logs * Support deployments to the DigitalOcean droplet and HubSpot CMS using the HubSpot CLI **Must\-have skills** *HubSpot CMS*   * Strong experience with HubSpot themes, custom modules, and fields.json * HubL templating, partials, macros, and using HubDB where needed * HubSpot CLI usage: auth, upload, hot\-reload, module and theme packaging * Styling within HubSpot CMS constraints, theme.json tokens, CSS variables, and scoped module CSS *React and TypeScript* * React 18\+ patterns that map well to React 19 * TypeScript in React projects, props typing, discriminated unions for form state, strict mode * State management with Zustand * Form handling with react\-hook\-form * Component libraries: Ant Design, and how to customize tokens and override styles without fighting CSS *Build tools*   * Webpack 5 config literacy: loaders for TS, CSS/Sass, PostCSS, asset handling, code splitting * Vite 5/6 for client and SSR builds * Polyfills and shims in browser builds (core\-js, node\-polyfill\-webpack\-plugin, buffer/process in the browser) *Maps and address UX*   * Google Maps JavaScript and React wrappers * Familiar with Google’s Places Autocomplete changes and using PlaceAutocompleteElement in new work * Debouncing, throttling, and fallbacks for address search *Networking and APIs* * Axios usage patterns, retry strategies, timeouts, and cancellation * CORS, cookies or sessions for SSR endpoints, and safe handling of env variables * Basic defense against scraping of serviceable locations on the client side, plus patterns to move sensitive checks server side *Payments and checkout* * Stripe Elements and @stripe/react\-stripe\-js on the client * Server\-side Stripe basics in Express: creating intents, handling sessions, and error states * Understanding where PCI scope starts and ends and why card data should never touch your servers *Styling and accessibility* * Modern CSS with Sass and PostCSS Autoprefixer * Responsive layout, motion that respects reduced motion * WCAG basics, keyboard navigation, and form accessibility *Observability and quality* * Sentry for React, Node, and release tracking * Useful logging that ties to a customer, session, and request path * Practical testing habits: component testing where it pays off, API mocks, smoke tests *DevOps basics for your setup* * Comfort with a single DigitalOcean droplet running Node apps behind a reverse proxy * Systemd or PM2, environment segregation, SSL renewal basics * CI to build and upload to HubSpot via CLI, and to deploy Node apps ***Nice\-to\-have skills***   * node\-postal or libpostal familiarity, plus strategies if it is not browser\-friendly * SSG/SSR tradeoffs for your Vite server and caching headers * Rate\-limit handling and exponential backoff in the browser and server * Security reviews of client code: blocking obvious scraping paths, obfuscating endpoints, gating checks on the server * HubSpot APIs, CRM objects, and HubSpot Functions if you choose to use them * Basic SQL for reading analytics or HubDB precompute tasks ***Perks include:*** * Working at a fast\-growing U.S. company * Fully remote job * USD salary