Senior Frontend Engineer

SQ1 Security · India

We are looking for a talented Senior Frontend/UI Developer to build modern, responsive, and user-friendly web applications. The ideal candidate should have strong expertise in React.js, Next.js, TypeScript, JavaScript, HTML5, CSS3, and modern UI frameworks

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.

Develop applications using TypeScript, JavaScript (ES6+), HTML5, and CSS3.

Integrate frontend applications with REST APIs and backend services.

Optimize applications for speed, scalability, SEO, and performance.

Ensure cross-browser compatibility and responsive design.

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.

Requirements

Required Skills:

• React.js
• Next.js
• TypeScript
• JavaScript (ES6+)
• HTML5
• CSS3 / SCSS / SASS/ Tailwind CSS
• Jest / Vitest / React Testing Library

Good to Have:

• Node.js
• Ant Design
• Cypress
• Micro Frontend Architecture
• React Query / TanStack Query