Frontend Engineer

HackerEarth; Bengaluru; On-site; INR 900,000 - 1,500,000; Full time

Job summary

HackerEarth is seeking a Frontend Engineer with 2+ years' experience to build responsive, scalable web applications. You will work with product managers, designers, and backend engineers to translate requirements into intuitive user interfaces while leveraging AI coding tools to boost productivity.

The role emphasizes code quality, security, performance, accessibility, and maintainability, with opportunities to stay current on emerging frontend tech in a collaborative team.

Qualifications

• 2+ years of frontend development experience.
• Proficient in JavaScript, React.js, TypeScript, HTML, CSS.
• Experience with Redux or Context API for state management.
• Experience with frontend testing (Jest/Mocha/Cypress) is a plus.
• Familiarity with AI coding tools in the development workflow.

Responsibilities

• Build and maintain responsive, scalable web apps.
• Collaborate with design and backend teams.
• Optimize performance and accessibility.
• Ensure cross-browser compatibility.
• Integrate with backend APIs.
• Write clean, maintainable code.
• Leverage AI tools in development.
• Review AI-generated code for quality and security.
• Work with AI/LLM APIs in frontend apps.
• Stay updated with frontend technologies.

Skills

Frontend development

JavaScript

React.js

TypeScript

HTML/CSS

Responsive design

Performance optimization

Accessibility

Git version control

AI tooling familiarity

Testing frameworks familiarity

Tools

Redux

Context API

Jest

Mocha

Cypress

Job description

We're looking for a Frontend Engineer with 2+ years of experience to build responsive, scalable, and high-performance web applications. You'll work closely with product managers, designers, and backend engineers to turn product requirements and designs into intuitive, reliable user experiences. The role also involves leveraging modern AI coding tools to improve engineering productivity while maintaining strong standards for code quality, security, performance, and maintainability.

Responsibilities:

• Build and maintain responsive, scalable web applications using modern frontend technologies.
• Develop intuitive and visually engaging user interfaces in collaboration with UX/UI designers.
• Optimise applications for performance, scalability, and accessibility.
• Build responsive, mobile-first experiences with strong cross-browser and cross-platform compatibility.
• Integrate frontend applications with backend APIs and services.
• Write clean, maintainable, and efficient code following engineering best practices.
• Use AI coding tools such as Cursor, Codex, or Claude Code for development, debugging, refactoring, and documentation.
• Write and refine prompts to get accurate, production-ready outputs from AI tools.
• Review and validate AI-generated code for quality, security, performance, and maintainability.
• Work with AI/LLM APIs in frontend applications, including handling streaming responses and related UX considerations.
• Stay current with emerging frontend technologies and best practices.

Requirements:

• 2+ years of experience in frontend development.
• Strong proficiency in JavaScript, React.js, TypeScript, HTML, and CSS.
• Experience with state management solutions such as Redux or Context API.
• Strong understanding of responsive and mobile-first design.
• Experience optimising web applications for performance and accessibility.
• Familiarity with Git and modern version-control practices.
• Experience with testing frameworks such as Jest, Mocha, or Cypress is a plus.
• Strong problem-solving skills and a passion for building intuitive, user-friendly interfaces.
• Comfortable using AI tools as part of the software development workflow and critically evaluating their output.