Frontend Engineer

OptiKratos By Synoviq, Inc.; India; On-site; INR 1,200,000 - 1,600,000; Full time

Job summary

OptiKratos is seeking a frontend engineer to build and maintain features across the marketing site and app shell using Next.js 15 and a Tailwind-based design system.

You will collaborate with the Product Designer on Storybook components and with backend teams on API integration, ensuring accessible, high-performance UI and strong SEO support.

Qualifications

• 3+ years of frontend engineering with React and Next.js.
• Strong command of TypeScript and modern CSS (Tailwind strongly preferred).
• Experience with Zustand, TanStack Query, or equivalent state management.
• Understanding of accessibility (ARIA, keyboard navigation, screen readers).
• Familiarity with testing (Jest, React Testing Library, Playwright or Cypress).

Responsibilities

• Build and maintain features across the marketing site and app shell (Next.js 15 App Router).
• Implement responsive, accessible UI components using Tailwind CSS 4, shadcn/ui, and Radix UI.
• Manage client-side state with Zustand and server-state with TanStack Query.
• Contribute to the shared Storybook component library — writing stories, tests, and documentation.
• Optimise Core Web Vitals (LCP, CLS, FID) and ensure WCAG 2.1 AA accessibility compliance.
• Work with SEO/GEO requirements: JSON-LD structured data, metadata, sitemap generation.

Skills

React

Next.js

TypeScript

Tailwind CSS

Accessibility

Testing

Tools

Storybook

Jest

React Testing Library

Playwright

Cypress

Zustand

TanStack Query

Job description

You will work on the OptiKratos web front-end - a suite of 7 Next.js 15 apps sharing a design system built on Tailwind CSS 4, shadcn/ui, and Radix UI. Your mandate: ship the unified marketing shell, product dashboards, and public-facing pages that revenue teams interact with daily. You will collaborate directly with the Product Designer on Storybook components and with the backend team on API integration.

Responsibilities

• Build and maintain features across the marketing site and app shell (Next.js 15 App Router).
• Implement responsive, accessible UI components using Tailwind CSS 4, shadcn/ui, and Radix UI.
• Manage client-side state with Zustand and server-state with TanStack Query.
• Contribute to the shared Storybook component library — writing stories, tests, and documentation.
• Optimise Core Web Vitals (LCP, CLS, FID) and ensure WCAG 2.1 AA accessibility compliance.
• Work with SEO/GEO requirements: JSON-LD structured data, metadata, sitemap generation.

Requirements

• 3+ years of frontend engineering with React and Next.js.
• Strong command of TypeScript and modern CSS (Tailwind strongly preferred).
• Experience with Zustand, TanStack Query, or equivalent state management.
• Understanding of accessibility (ARIA, keyboard navigation, screen readers).
• Familiarity with testing (Jest, React Testing Library, Playwright or Cypress).