Front-End Developer Intern

Carrerlift; Mumbai; On-site; INR 89,000 - 167,000; Full time

Job summary

Carrerlift is seeking a frontend internship in Mumbai focused on turning design mockups into pixel-perfect web interfaces. You will work on the client-side stack, building responsive pages that look great on phones, tablets, and desktops.

You will sharpen HTML/CSS/JS skills, collaborate with designers and developers, and learn industry best practices for performance and SEO while delivering real features to users.

Qualifications

• Proficient in HTML5, CSS3 and JavaScript.
• Experience turning designs into pixel-perfect interfaces.
• Familiarity with responsive web design principles.
• Knowledge of SEO basics and performance optimization.

Responsibilities

• Construct responsive website interfaces for multiple devices.
• Transform design mockups into working web pages.
• Build navigation, forms, interactive components, and layouts.
• Improve load times and responsiveness through code optimization.
• Identify and fix cross-device and cross-browser issues.
• Collaborate with Design, Product, Development, and QA to ship features.

Skills

HTML5

CSS3

JavaScript

Responsive design

SEO fundamentals

Web performance

React.js

Bootstrap

Tailwind CSS

Tools

Git

Browser DevTools

Bootstrap

Tailwind CSS

Job description

Batch: 2026/2027/2028.

About the role:

• - Construct responsive website interfaces that function smoothly across all devices and screen sizes
• - Transform design mockups and user experience specifications into working web pages
• - Build navigation systems, data entry forms, interactive components, and page layouts
• - Improve load times and overall site responsiveness through code optimization
• - Identify and resolve bugs through thorough cross-device and cross-browser testing
• - Work alongside Design, Product, Development, and Quality Assurance colleagues to refine and ship features

What we're looking for:

• - Strong command of HTML5 and CSS3 for semantic markup and styled layouts
• - Proficiency in JavaScript for dynamic functionality and DOM manipulation
• - Experience designing and building interfaces that adapt to different viewport sizes
• - Familiarity with CSS frameworks such as Bootstrap or Tailwind CSS
• - Comfort using Git for version control and collaboration
• - Practical knowledge of browser developer tools for debugging and inspection
• - Understanding of web performance optimization techniques and SEO fundamentals
• - React.js experience is a plus but not required

What this internship involves:

• - You will work on the front-end layer of web applications, focusing on how users see and interact with them
• - Day-to-day tasks include writing clean, maintainable HTML, CSS, and JavaScript code
• - You'll convert visual designs into pixel-perfect, functional interfaces
• - Regular testing ensures your work displays correctly on phones, tablets, and desktops
• - Collaboration happens daily with designers who create the mockups, product managers who define requirements, back-end developers who build the server side, and QA engineers who verify everything works
• - You'll learn industry practices in web development while building real features that reach users