Responsibilities Maintain and enhance the React.js/Next.js (TypeScript) frontend for campaign building template previews and analytics dashboards. Implement updates to credit usage dashboards user profiles campaign history and multi-language UI. Ensure cross-browser compatibility performance and accessibility (WCAG). Manage state management with Redux Toolkit Zustand or Recoil. Debug rendering/layout issues in landing page previews and integrate with QA/visual testing tools. Write unit and integration tests for components and pages (React Testing Library Jest Cypress). Collaborate with designers to maintain reusable components and design systems. Integrate with REST APIs and handle real-time updates via WebSockets. Required Skills Strong proficiency in React.js / Next.js with TypeScript. State management Redux Toolkit Zustand or Recoil. UI frameworks Tailwind CSS Material UI (or equivalent). REST API integration experience. WebSockets experience for real-time updates. Cross-browser testing tools experience (Litmus Email on Acid Playwright Puppeteer). Unit & integration testing experience (Jest React Testing Library Cypress). Familiarity with containerized deployment and CI/CD pipelines. Experience 2–4 years in frontend engineering. Prior experience in SaaS dashboards marketing automation tools or no-code builders is a big plus.