Senior Frontend Engineer

Sq1; Chennai District; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

SQ1 Security Technology Private Limited in Chennai invites an experienced Senior Frontend Engineer to design, develop and maintain responsive web applications using React.js and Next.js. You will translate UI/UX designs into production-ready code and collaborate with backend teams to deliver high-quality features.

You will build reusable components, optimize for speed and SEO, conduct code reviews, mentor junior developers and participate in architectural discussions to shape scalable frontend

Qualifications

• Proficient in React.js and Next.js with a strong grasp of component-based architectures.
• Experience translating UI/UX designs into production-ready code.
• Knowledge of REST APIs and integration with backend services.
• Ability to optimize performance, SEO, and accessibility.

Responsibilities

• Design, develop, and maintain responsive web applications using React.js and Next.js.
• Build reusable, scalable UI components.
• Translate UI/UX designs into production-ready code.
• Integrate frontend with REST APIs and backend services.
• Optimize applications for speed, scalability, SEO, and performance.
• Write clean, modular code and conduct code reviews.
• Mentor junior developers and participate in architectural discussions.
• Troubleshoot production issues and implement fixes.

Skills

React.js

Next.js

UI components

REST APIs

Performance optimization

Testing

Code reviews

Mentoring

Job description

SQ1 Security Technology Private Limited | Full time

Senior Frontend Engineer

Sholinganallur, India | Posted on 09/29/2026

Key Responsibilities

• Design, develop, and maintain responsive web applications using React.js and Next.js.
  
• Build reusable, scalable, and maintainable UI components.
  
• Translate UI/UX designs into high-quality production-ready code.
  
• Integrate frontend applications with REST APIs and backend services.
  
• Optimize applications for speed, scalability, SEO, and performance.
  
• Write clean, modular, and testable code following industry best practices.
  
• Participate in architecture discussions and technical design reviews.
  
• Conduct code reviews and mentor junior developers.
  
• Troubleshoot production issues and implement fixes.