Front-End Engineer (React.js)

Annova Solutions Pvt Ltd; Indore District; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Annova Solutions Pvt Ltd in Indore is seeking a talented Frontend Engineer with 4-6 years to build modern, responsive web apps using React and Next.js. You will work with backend teams and designers to deliver scalable enterprise solutions with strong UI/UX.

The role emphasizes performance, large document rendering, and reusable components, with opportunities to mentor peers and contribute to frontend best practices in a cloud-native environment.

Qualifications

• Bachelor's degree in CS/IT or related field.
• 4-6 years of professional frontend experience.
• Strong expertise in React.js and modern frontend architecture.
• Experience with Agile/Scrum environments.

Responsibilities

• Design, develop, and maintain responsive web applications using React.
• Build reusable, scalable UI components and pixel-perfect interfaces.
• Integrate frontend with RESTful APIs and backend services.
• Improve performance, accessibility, and Core Web Vitals.
• Collaborate with designers, product managers, and QA to deliver quality software.
• Mentor junior developers and participate in code reviews.

Skills

React.js

Next.js

JavaScript (ES6+)

TypeScript

HTML5

CSS3

Tailwind CSS

Responsive Web Design

Redux Toolkit

React Query

Education

Bachelor's degree in Computer Science, Information Technology, or a related field

Tools

Jest

React Testing Library

Cypress

Playwright

Job description

Job Summary

We are looking for a talented Frontend Engineer with 4-6 years of experience in building modern, responsive, and high-performance web applications. The ideal candidate should have strong expertise in React.js, Next.js, and modern JavaScript frameworks, along with a solid understanding of frontend architecture, performance optimization, and UI/UX best practices.

You will work closely with backend engineers, UI/UX designers, product managers, and QA teams to develop scalable enterprise applications that deliver exceptional user experiences. Experience integrating REST APIs, working with cloud-hosted applications, and building reusable component libraries is highly desirable.

Should able to handle large PDF documents (hundreds to thousands of pages), high-resolution images, and AI-generated annotations. The ideal candidate should have experience building applications involving document rendering, image manipulation, canvas-based interactions, and performance optimization for large datasets.

You will work closely with backend engineers, AI/ML engineers, product managers, and UX designers to build intuitive and responsive user experiences for enterprise-scale applications.

Key Responsibilities

Frontend Development

• Design, develop, and maintain responsive web applications using React.
• Build reusable, scalable, and maintainable UI components.
• Develop pixel-perfect user interfaces based on UI/UX designs and wireframes.
• Optimize application performance, accessibility, and responsiveness across browsers and devices.
• Write clean, modular, and well-documented code following industry best practices.

API Integration

• Integrate frontend applications with RESTful APIs and backend microservices.
• Collaborate with backend engineers to define API contracts and ensure seamless integration.
• Handle authentication, authorization, and secure communication with backend services.
• Implement efficient error handling and loading states.

Performance Quality

• Optimize application performance using lazy loading, code splitting, caching, and rendering optimization.
• Improve Core Web Vitals and overall application responsiveness.
• Identify and resolve UI bugs and performance bottlenecks.
• Ensure cross-browser compatibility and mobile responsiveness.
• Write unit and integration tests for frontend components.
• Develop features for viewing and interacting with large PDF documents containing hundreds or thousands of pages.
• Optimize rendering performance for large documents using techniques such as lazy loading, virtual scrolling, page caching, and incremental rendering.

Collaboration

• Work closely with UI/UX designers to deliver intuitive and visually appealing interfaces.
• Collaborate with product managers to understand business requirements and translate them into technical solutions.
• Participate in sprint planning, code reviews, and technical discussions.
• Mentor junior developers and contribute to frontend best practices.

Required Qualifications

• Bachelors degree in Computer Science, Information Technology, or a related field.
• 4-6 years of professional experience in frontend application development.
• Strong expertise in React.js.
• Experience developing enterprise-grade, responsive web applications.
• Strong understanding of modern frontend architecture and component-based development.
• Experience working in Agile/Scrum development environments.

Required Technical Skills

Frontend Technologies

• React.js
• Next.js
• JavaScript (ES6+)
• TypeScript
• HTML5
• CSS3
• Tailwind CSS
• Responsive Web Design

State Management

• Redux Toolkit
• Context API
• React Query or TanStack Query
• Zustand

Performance Optimization

• Code Splitting
• Lazy Loading
• Memorization
• Server-Side Rendering (SSR)
• Static Site Generation (SSG)
• Client-Side Rendering (CSR)
• Incremental Static Regeneration (ISR)

Testing

• Jest
• React Testing Library
• Cypress or Playwright (preferred)

Preferred Qualifications

• Experience building SaaS or enterprise applications.
• Experience working with Next.js
• Familiarity with frontend security best practices, including XSS, CSRF prevention, and Content Security Policy (CSP).
• Experience integrating authentication providers such as Auth0, Keycloak.
• Knowledge of GraphQL is a plus.
• Familiarity with design systems and reusable component libraries.
• Basic understanding of backend technologies (Node.js or Python) to facilitate collaboration with backend teams.
• Experience working with AI-powered applications or integrating LLM-based APIs is an advantage.

Nice-to-Have Skills

• Experience with AI-assisted user interfaces or AI-powered web applications.
• Familiarity with data visualization libraries such as Chart.js, D3.js, or Recharts.
• Experience with WebSockets or real-time applications.
• Experience using Figma and collaborating closely with UX designers.
• Experience working with document-centric or graphics-intensive applications is highly preferred.

This role is ideal for engineers who are passionate about building intuitive, performant, and scalable web applications using modern frontend technologies and who enjoy working in a collaborative, cloud-native engineering environment.