Senior Frontend Software Engineer (ReactJS)

Netcore Unbxd is actively seeking an immediate-joining Senior Frontend Software Engineer with expertise in ReactJS to join our dynamic engineering team in Bengaluru, India. This full-time position is ideal for a professional with 5+ years of experience eager to build scalable, high-performance web applications within a leading e-commerce environment.

About the Role

As a Senior Frontend Software Engineer, you will play a pivotal role in shaping the user experience of our digital platforms. You will be instrumental in contributing to our frontend architecture and engineering best practices, leveraging modern technologies like ReactJS, NextJS, and TypeScript. This opportunity is for individuals passionate about modern frontend development and solving complex challenges in the e-commerce sector.

Key Responsibilities

• Design, develop, and maintain high-quality frontend features primarily using ReactJS.
• Translate design wireframes and mockups into responsive, pixel-perfect user interfaces.
• Debug intricate frontend issues and optimize application performance across diverse browsers and devices.
• Collaborate closely with product managers, designers, and backend engineers to understand user needs, integrate APIs, and ensure seamless data flow.
• Lead or actively participate in code reviews, share best practices, and mentor junior developers.
• Contribute to architectural decisions, tooling selections, and overall frontend infrastructure improvements.
• Ensure the application adheres to SEO best practices, accessibility standards (WCAG), and modern web development principles, writing clean, maintainable, and well-tested code.

Required Skills & Experience

• 6+ years of professional experience in frontend development.
• Proficiency in ReactJS and core JavaScript (ES6+) concepts.
• Strong experience with HTML5 and CSS3, including pre/post processors like Sass or PostCSS.
• Solid understanding of browser rendering behavior and performance optimization techniques.
• Experience with debugging tools and frontend profiling techniques.
• Familiarity with RESTful APIs and common frontend integration patterns.
• Proficiency with version control systems, especially Git.
• Demonstrated ability to work effectively in a fast-paced, collaborative environment using Agile methodologies.

Nice to Have Skills

• Experience with Next.js and TypeScript.
• Familiarity with building and publishing npm packages.
• Exposure to e-commerce platforms or developing e-commerce applications.
• Knowledge of frontend testing frameworks such as Jest, React Testing Library, or Cypress.
• Experience with accessibility (WCAG standards) and SEO best practices.
• Familiarity with CI/CD tools and modern build systems (e.g., Webpack, Vite).
• Understanding of analytics implementation (e.g., Google Analytics, GTM) and A/B testing tools.