Developer - TypeScript/Javascript

3 days ago

Gurgaon, Haryana, India DHI Solutions Full time

About the Role

We're looking for a Senior Frontend Engineer who lives and breathes React, builds pixel-perfect, high- performance data apps with AG Grid/AG Charts, and ships to AWS with confidence. You'll craft delightful UX using modern animation libraries (Framer Motion/GSAP), own complex visualization workflows, and collaborate across product, design, and backend to deliver production-grade dashboards at scale.

What You'll Do:

- Design and build feature- rich, responsive SPA dashboards in React 18 + TypeScript.

- Implement complex data tables using AG Grid (enterprise features, custom cell renderers, server- side row model, infinite scrolling, virtualization, column pinning/grouping, range selection, Excel export, pivot, aggregation).

- Create interactive visualizations in AG Charts and/or integrate with complementary charting libs as needed.

- Use Framer Motion or GSAP to add purposeful micro- interactions and page transitions (accessibility- and performance- aware).

- Consume REST/GraphQL APIs; manage data with TanStack Query/React Query and state with Redux Toolkit/Zustand.

- Optimize for performance (memoization, Suspense, code- splitting, Web Workers) and accessibility (ARIA, WCAG 2.1 AA).

- Own CI/CD and hosting on AWS: S3 + CloudFront, API Gateway/Lambda, Cognito, IAM, CloudWatch; collaborate on IaC (CDK/Terraform) with DevOps.

- Write robust tests (Jest, React Testing Library, Cypress) and maintain clean, typed code with ESLint/Prettier.

- Partner closely with designers and PMs; participate in code reviews and mentor engineers.

Must- Have Skills :

- React 18 + TypeScript with 5+ years of production experience.

- Deep, hands- on expertise with AG Grid (including enterprise features) and AG Charts.

- Strong command of animation in React (Framer Motion and/or GSAP) with a performance mindset.

- Solid grasp of state/data: Redux Toolkit or Zustand, TanStack Query, error/loading states, optimistic updates.

- AWS experience deploying SPAs (S3/CloudFront), integrating serverless backends (API Gateway + Lambda), and auth with Cognito.

- Performance tuning for data- heavy UIs (100k+ rows), bundle optimization, and browser profiling.

- Testing culture: unit, integration, and e2e.

(ref:hirist.tech)

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