Senior Frontend Developer

Quest Global; Chennai District; On-site; INR 1,800,000 - 2,600,000; Full time

Job summary

Quest Global is seeking an experienced Senior Frontend Developer to build and scale the user experiences of our Dynamic Service Options (DSO) platform from Chennai. You will own architecture-level decisions for React/TypeScript applications and drive end-to-end delivery across two codebases: an authoring SPA and a delivery app.

You will work with a modern stack (Vite, Jotai, React Router 7, react-hook-form, Storybook, MSW) and implement design-system-driven UI with typed API clients, MSAL

Qualifications

• 6+ years building production web apps with React and TypeScript.
• 3+ years owning architecture-level decisions (state design, module boundaries, build tooling, testing strategy).
• Experience across two React codebases: authoring SPA and delivery app.
• Strong emphasis on type safety, component design, design-system usage, and testable UI.

Responsibilities

• Build and scale the user experiences of the DSO platform.
• Own feature end-to-end from API contract to state/store design and UI stories/tests CI/CD.
• Work across two React codebases: authoring SPA and delivery app.
• Ensure quality with Storybook tests and MSW-mocked APIs.

Skills

React

TypeScript

Architecture ownership

End-to-end ownership

Testing strategy

State design

Component composition

Tools

Vite

Jotai

React Router 7

react-hook-form

Storybook

MSW

OpenAPI clients

MSAL / Azure Entra

Job description

Role & responsibilities

• 6+ years building production web applications with React and TypeScript, including 3+ years owning architecture-level decisions (state design, module boundaries, build tooling, testing strategy).
• Job Summary: We are seeking an experienced Senior Frontend Developer to build and scale the user experiences of our Dynamic Service Options (DSO) platform.
• You will work across two React 19 + TypeScript codebases:
  • an authoring application a large, feature-module SPA (Vite, Jotai, React Router 7, react-hook-form, Storybook + MSW) where dealers and teams author and manage machine parts and service data
  • a delivery application a React app that ships both as an SPA and as an embeddable Web Component published to Artifactory and consumed by other host applications.
• Both apps are built entirely on the design system, consume OpenAPI-generated, fully typed API clients, authenticate through Azure Entra (MSAL) with Centralized entitlement-based authorization, and are validated by Storybook interaction tests running in real browsers with MSW-mocked APIs.
• The ideal candidate is opinionated about type safety, component composition, accessible design-system usage and testable UI, is comfortable working inside strict lint/format/type gates, and can own a feature end-to-end: API contract generated client state atoms/store design-system UI stories/tests CI/CD CDN or npm release.