R&D Senior Engineer - React Frontend Engineer

Hitachi Energy; Chennai District; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Hitachi Energy's India Development Centre in Chennai invites seasoned React developers to join a global RD team. You will design modern, secure, high-performing UIs, collaborate across countries, and mentor peers.

The role requires 10+ years of enterprise React experience, strong JavaScript, REST and GraphQL expertise, and a focus on code quality, security, and performance.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related discipline, with 10+ years of experience building React-based web applications in an enterprise environment.
• Strong JavaScript skills with focus on clean code and maintainable UI structure.
• Hands-on experience with REST APIs, error handling, and secure token/session management.
• Working knowledge of GraphQL (Apollo or similar) and modern state management (Redux Toolkit, React Query).
• Strong understanding of browser fundamentals (DOM, events, storage, cookies, caching) and basic web security.
• Experience collaborating with global RD teams across countries and tech areas.
• Opportunities to learn, mentor, and grow through challenging product development work.

Responsibilities

• Build and maintain modern React applications using reusable components and strong JavaScript skills.
• Define and follow solid UI architecture, folder structure, and coding standards.
• Integrate with REST and GraphQL APIs for data fetching, caching, and error handling.
• Implement secure authentication and authorization flows, including token and session handling.
• Improve UI performance by optimizing rendering, reducing bundle size, and memory management.
• Debug and resolve UI, state, API integration, and browser-related issues.
• Mentor junior developers and promote best practices and continuous improvement.
• Ensure compliance with applicable external and internal regulations, procedures, and guidelines.

Skills

React

JavaScript

REST APIs

GraphQL

Redux Toolkit

React Query

Security basics

Code quality

Mentoring

Education

Bachelor's degree in CS/Engineering

Tools

Apollo

Job description

The opportunity:

Join Hitachi Energys India Development Centre (IDC), an RD organization in Chennai and Bangalore. You will work with global RD and research centers across 12 countries. You will help design and deliver digital solutions and product capabilities. You will build modern, secure, high-performing user interfaces. You will collaborate with cross-functional teams, contribute to engineering best practices, and mentor other developers.

How youll make an impact:

• Build and maintain modern React applications using clean, reusable components and strong JavaScript skills.
• Define and follow solid UI architecture, folder structure, and coding standards.
• Integrate with REST and GraphQL APIs for data fetching, caching, and error handling.
• Implement secure authentication and authorization flows, including token and session handling.
• Apply strong browser fundamentals including DOM behavior, events, storage, cookies, caching, and basic security.
• Improve UI performance by optimizing rendering, reducing bundle size, and managing memory efficiently.
• Debug and resolve UI, state, API integration, performance, and browser-related issues.
• Support and mentor junior developers, promoting best practices and continuous improvement.
• Responsible for ensuring compliance with applicable external and internal regulations, procedures, and guidelines.
• Living Hitachi Energys core values of safety and integrity by taking responsibility for your own actions while caring for your colleagues and the business.

Your Background:

• Required Bachelors degree in Computer Science, Engineering, or a related discipline with 10+ years of experience building React-based web applications in an enterprise environment.
• Strong JavaScript skills with a focus on clean code and maintainable UI structure.
• Hands-on experience with REST APIs, error handling, and secure token/session management.
• Working knowledge of GraphQL (Apollo or similar) and modern state management (e.g., Redux Toolkit, React Query).
• Strong understanding of browser fundamentals (DOM, events, storage, cookies, caching) and basic web security.
• Work with global RD teams across multiple countries and technology areas.
• Opportunities to learn, mentor, and grow through challenging product development work. Primary locations: Chennai (India Development Centre).
• Proven troubleshooting, communication, and collaboration skills.