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Frontend Engineer – SaaS Maintenance
Marrina Decisions. Maintain and enhance the React.js/Next.js (TypeScript) frontend for campaign building, template previews, and analytics dashboards .
Tech Stack
Tools & technologiesCypressJavaScriptJestMaterial UINext.jsPuppeteerReactReduxTypeScript
About the role
Key responsibilities & impact- 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 with Redux Toolkit, Zustand, or Recoil
- Debug rendering and layout issues in landing page previews and integrate with QA/visual testing tools
- Write unit and integration tests for components and pages using React Testing Library, Jest, and Cypress
- Collaborate with designers to maintain reusable components and design systems
- Integrate with REST APIs and handle real-time updates via WebSockets
Requirements
What you’ll need- Strong proficiency in React.js / Next.js with TypeScript
- Experience with state management using Redux Toolkit, Zustand, or Recoil
- Experience with UI frameworks such as Tailwind CSS and Material UI (or equivalent)
- REST API integration experience
- WebSockets experience for real-time updates
- Experience with cross-browser testing tools: Litmus, Email on Acid, Playwright, Puppeteer
- Unit and integration testing experience with Jest, React Testing Library, and Cypress
- Familiarity with containerized deployment and CI/CD pipelines
- 2–4 years in frontend engineering
- Prior experience in SaaS dashboards, marketing automation tools, or no-code builders is a big plus