Senior Frontend Developer (React / TypeScript / Web Components)

Applix (Chennai, TN, India) Follow 2 hours ago

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About Applix

At Applix , we build intelligent engineering and enterprise technology solutions that help global organizations accelerate digital transformation. Our teams develop scalable cloud platforms, AI-powered applications, enterprise integrations, and data-driven solutions that enable innovation across manufacturing, engineering, and industrial operations.

We are looking for a Senior Frontend Developer to architect and build modern, scalable web applications that deliver exceptional user experiences. This role is ideal for an experienced frontend engineer with deep expertise in React, TypeScript, modern frontend architecture, and design systems , who enjoys building enterprise-grade applications with strong engineering practices, reusable component libraries, and cloud-native delivery pipelines.

Role Overview

As a Senior Frontend Developer, you will lead the development of enterprise-scale frontend applications built using React 19, TypeScript, and modern frontend tooling . You will be responsible for designing scalable application architecture, building reusable UI components, integrating secure APIs, implementing performant state management, and delivering highly maintainable applications.

You will work closely with product managers, UX designers, backend engineers, and DevOps teams to deliver high-quality software while mentoring engineers and driving frontend engineering best practices.

Key Responsibilities

Frontend Development

Design, develop, and maintain scalable React applications using React 19 and TypeScript.
Build reusable, modular, and maintainable UI components following enterprise design system standards.
Develop feature-rich user interfaces including dashboards, forms, data tables, workflows, and management portals.
Implement code splitting, lazy loading, and route-level authorization for improved application performance.
Build responsive and accessible user interfaces compliant with modern web accessibility standards.
Develop reusable custom hooks, utilities, and shared frontend libraries.

Architecture & Engineering

Own frontend architecture decisions including component composition, module boundaries, state management, and application structure.
Design scalable solutions using modern state management libraries such as Jotai or Zustand.
Consume OpenAPI-generated REST clients while maintaining strong type safety.
Implement secure authentication and authorization using Azure Entra (MSAL/OAuth2/OIDC).
Build reusable Web Components for integration with multiple enterprise applications.
Ensure compatibility across modern browsers and enterprise environments.

UI & Design Systems

Develop applications using enterprise design systems, reusable components, and design tokens.
Implement responsive layouts using SCSS, CSS Modules, and modern CSS practices.
Collaborate with UX teams to translate design specifications into high-quality production interfaces.
Support theming, localization, and accessibility throughout the application.

Performance & Quality

Optimize application performance through efficient rendering, memoization, virtualization, and bundle optimization.
Develop automated unit, component, and integration tests using Storybook, Vitest/Jest, Testing Library, and MSW.
Maintain high code quality using ESLint, Prettier, SonarQube, and strict TypeScript practices.
Participate in architecture reviews, code reviews, and continuous improvement initiatives.

DevOps & Delivery

Contribute to CI/CD pipelines using GitHub Actions or equivalent platforms.
Support application deployment, package publishing, and frontend release management.
Maintain build tooling using Vite, npm/pnpm, and modern frontend development workflows.
Collaborate with backend teams to define API contracts and improve end-to-end delivery.

Leadership

Mentor junior and mid-level engineers on frontend architecture and engineering best practices.
Promote coding standards, reusable design patterns, and high-quality software engineering practices.
Participate in sprint planning, technical discussions, and architectural decision-making.

Required Technical Skills

Frontend Technologies

React (16+/18/19)
TypeScript
JavaScript (ES6+)
HTML5
CSS3
SCSS
CSS Modules

State Management

Jotai
Zustand
TanStack Query (React Query)

API Integration

REST APIs
OpenAPI Generated Clients
Axios
API Error Handling
Request Interceptors
Authentication Tokens

UI Development

React Hook Form
Responsive Web Design
Enterprise Design Systems
Component Libraries
Accessibility (WCAG)
Internationalization (i18n)

Authentication & Security

OAuth 2.0
OpenID Connect (OIDC)
Azure Entra ID (MSAL)
Protected Routes
Role-Based Access Control (RBAC)

Testing

Storybook
MSW
Vitest or Jest
React Testing Library
Playwright
Component Testing

Build & Tooling

Vite
npm / pnpm
ESLint
Prettier
Stylelint
Husky
Git

DevOps

GitHub Actions
CI/CD Pipelines
CDN Deployments
Package Publishing

Preferred Skills

Experience building Web Components or Micro Frontends.
Knowledge of React Compiler and frontend performance optimization.
Experience with Module Federation or Lit.
Familiarity with SonarQube quality gates.
Experience with AWS services such as S3, CloudFront, ACM, and WAF.
Understanding of Core Web Vitals and bundle optimization.
Experience working in Agile/Scrum environments.

What You'll Work On

As part of our engineering team, you will contribute to building modern enterprise applications including:

Dynamic service and product management platforms
Enterprise dashboards and reporting solutions
Searchable and filterable data management portals
Workflow automation applications
Interactive mapping and visualization tools
Role and entitlement management systems
Reusable enterprise design system components
Shared frontend platform libraries and engineering frameworks
Embeddable Web Components consumed across multiple enterprise applications

Why Join Applix?

Work on enterprise-scale digital transformation initiatives.
Build modern applications using the latest React and TypeScript ecosystem.
Collaborate with highly skilled engineering teams in a culture focused on technical excellence.
Contribute to reusable platforms, design systems, and scalable frontend architecture.
Opportunities to mentor engineers, influence technical direction, and grow into frontend architecture and technical leadership roles.

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