High-Performance Application Developer

1 day ago

Belgaum, Karnataka, India beBeeSoftware Full time ₹ 10,00,000 - ₹ 30,00,000
Job Title: Senior Frontend Engineer

We are seeking an experienced professional who can design, develop and optimize high-performance applications with strict performance budgets using modern server-first patterns and real-time data flows.

The ideal candidate should have a strong command of React 18 features including Suspense, streaming SSR, useTransition, useOptimistic and useDeferredValue.

Responsibilities:

  • Designing and developing performant applications using React 18 and Next.js 14.
  • Implementing Next.js App Router, Server Actions, Route Handlers, Middleware, ISR and Edge Runtime features.
  • Building server-first applications with React Server Components, Suspense and streaming SSR.
  • Optimizing application performance using React Profiler, @next/bundle-analyzer, dynamic imports, next/image and caching strategies.
  • Delivering trading-focused UIs with high-FPS charts, responsive data grids, debounced inputs, optimistic updates and skeleton loading states.
  • Managing real-time data using WebSockets or SSE for quotes and order updates.
  • Implementing forms using React Hook Form + Zod with server-side validation.
  • Building modular accessible UIs with Tailwind CSS, shadcn/ui and Radix Primitives (plus occasional Chakra UI).
  • Writing clean maintainable and testable code with TypeScript (strict mode) ESLint and Prettier.
  • Ensuring quality with Playwright E2E testing Vitest/Jest React Testing Library and accessibility checks.
  • Contributing to observability and security practices including Sentry New Relic CSP with next-safe secure cookies and AuthN/AuthZ.
  • Collaborating closely with cross-functional teams to design and deliver scalable solutions.

Technical Requirements:

  • 3+ years of experience with React.js and Next.js (minimum 1+ year with Next.js 13/14 App Router).
  • Strong command of React 18 features: Suspense, streaming SSR, useTransition, useOptimistic, useDeferredValue.
  • Expertise in Next.js 14 tooling: Server Actions, Route Handlers, Middleware, ISR, revalidation strategies and caching.
  • Hands-on experience with performance tuning for mission-critical applications.
  • Knowledge of trading UX patterns (charts, grids, optimistic UI updates etc.) is highly desirable.
  • Strong state management skills with TanStack Query SWR and server-driven patterns (RSC + Server Actions).
  • Experience with forms & validation using React Hook Form + Zod.
  • Strong understanding of real-time systems using WebSockets or SSE.
  • Proficiency with Tailwind CSS shadcn/ui Radix UI and component-driven design.
  • Solid experience in TypeScript with strict typing.
  • Familiarity with Playwright Vitest/Jest React Testing Library.
  • Exposure to Sentry New Relic or similar observability tools.

Nice to Have:

  • Prior experience building trading or fintech platforms.
  • Familiarity with Node.js backend development for building complementary APIs.
  • Experience with cloud-native deployments (AWS GCP Azure).
  • Knowledge of CI/CD pipelines and DevOps practices.

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