Frontend Developer

Job Title : Frontend Developer (React + Three.js)

Location : Noida

Experience : 2+ Years

Job Description :

We are looking for a Frontend Developer with strong skills in React.js and Three.js to build interactive, high-performance 3D web applications. The role involves creating smooth 3D experiences, optimizing performance, and collaborating with cross-functional teams.

Key Responsibilities :

• Develop responsive and dynamic UIs with React.js/Next.js.
• Implement and optimize 3D visualizations using Three.js/WebGL.
• Manage 3D assets (GLTF/GLB, textures, compression).
• Ensure performance optimization, cross-browser compatibility, and scalability.
• Collaborate with designers and backend teams to deliver seamless experiences.

Required Skills :

• JavaScript/TypeScript, React.js/Next.js
• Three.js / WebGL for 3D rendering & interactions
• State management (Redux, Zustand, Context API)
• 3D asset pipeline (GLTF/GLB, textures, compression tools)
• Performance optimization (profiling, draw calls, FPS tuning)
• API integration (REST/GraphQL)
• Version control (Git)

We are seeking a passionate and skilled React Engineer with over 1 year of experience to join our team. The ideal candidate will have hands-on experience building dynamic and responsive web applications using React.js. This role requires a strong understanding of front-end development principles and the ability to deliver high-quality, scalable solutions in a collaborative environment.

Key Responsibilities:

• Develop, maintain, and optimize web applications using React.js.
• Create reusable and modular components to ensure consistency and efficiency in development.
• Collaborate with designers and backend developers to implement user-friendly features.
• Debug and troubleshoot application issues to enhance performance and user experience.
• Integrate APIs and manage state effectively using tools like Redux, Context API, or React Query.
• Ensure responsive design and cross-browser compatibility for seamless user experiences.
• Write clean, well-documented, and maintainable code.
• Stay up-to-date with the latest React and front-end development trends.

Core Proficiency:

• Strong understanding of JavaScript (ES6+).
• Proficiency in React.js and its core principles, including JSX, hooks, and lifecycle methods.
• Experience with state management libraries like Redux, Context API, or React Query.
• Proficiency in styling in the component.
• Familiarity with Tailwind CSS for efficient UI development and responsive design.
• Experience with CSS-in-JS libraries like Styled-Components or Emotion is a plus.
• Familiarity with Next.js for server-side rendering (SSR), static site generation (SSG), and routing capabilities.
• Hands-on experience integrating RESTful APIs or GraphQL into React applications.
• Proficient in Git for version control and collaborative development.
• Basic understanding of testing frameworks like Jest, React Testing Library, or Cypress.
• Understanding of code splitting, lazy loading, and performance optimization techniques.

Job Summary:

We are looking for a passionate Frontend Engineer with 2 to 4 years of experience to build high-quality, scalable, and user-friendly web applications. You will work closely with cross-functional teams to bring ideas to life using modern JavaScript frameworks, maintaining best-in-class UI standards, performance, and code quality.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Develop and maintain modern, high-performance, and responsive web applications using JavaScript frameworks such as React, Vue, or Next.js.
• Translate product designs from tools like Figma into pixel-perfect, accessible, and consistent UI components.
• Build reusable components and contribute to shared design systems or UI libraries.
• Manage state effectively using tools like Redux, Zustand, or Context API.
• Ensure applications are responsive, cross-browser compatible, and adhere to accessibility standards (WCAG).
• Optimize frontend performance using tools like Lighthouse, Web Vitals, and browser profiling.
• Use TypeScript to write type-safe and scalable code.
• Write unit, integration, and E2E tests using frameworks like Jest, Testing Library, Cypress, or Playwright.
• Work with backend teams to design APIs and ensure efficient, secure frontend-backend integration.
• Implement frontend security best practices, such as XSS protection and CSP.
• Use tools like Tailwind CSS, Framer Motion, and Styled Components for rapid, modern UI development.
• Contribute to CI/CD workflows, version control using Git, and deploy applications using platforms like Vercel, Netlify, or Firebase.
• Participate in code reviews, share knowledge, and help drive technical excellence across the team.

Requirements:

• 2 to 4 years of experience building and shipping frontend applications in a professional setting.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3, with a strong understanding of modern frontend architecture.
• Hands-on experience with at least one JavaScript framework/library (React preferred).
• Strong knowledge of TypeScript and state management tools.
• Solid understanding of UI/UX best practices, including responsive design, performance, and accessibility.
• Experience with testing methodologies and automation tools.
• Familiarity with design systems, component libraries, and modern build/deployment tools (Webpack, Vite, Vercel, etc.).
• Comfortable working in agile teams, collaborating with designers, product managers, and backend engineers.

• 5+ years of relevant experience as an individual contributor working on the frontend technologies
• Strong technical foundation and experience building user interfaces for complex applications.
• Deep proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js core principles and experience with latest React concepts like hooks, context APIs
• Experience with popular state management libraries like Redux, Flux
• Familiarity with newer specifications of ECMAScript and knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience with common front-end build tools such as Babel, Webpack, NPM, etc.
• Familiarity with Git
• Hands on experience with markup languages
• Background contributing best-practices and architectural leadership to front end applications
• Demonstrable understanding, and experience in dismantling large, abstract problems into smaller, workable tasks.
• Strong interpersonal skills with the ability to effectively collaborate cross functionally with designers, product managers and other engineers.

Job Description: Senior React.js Developer

• 2+ years of relevant experience in software development building web applications
• Well acquainted with cutting edge front-end framework like React Javascript dialects like ES6.

• CSS frameworks like Bootstrap, Foundation HTML5, CSS3 and tools like Gulp/Webpack
• Strong analytical and problem- solving skills paired with the ability to develop creative and efficient solutions.
• Enjoys and gets energized by complex problem solving and ability to push the innovation on solutions.
• Ability to work both independently and in various team settings.

• Identify bad code practices in JavaScript and write new analyzers to detect them.
• Improve the coverage of automatically fixable issues.
• Ensure fewer false-positives are reported by the analyzer.
• Work on the internal tools that support analysis runtimes.
• Contribute to open-source static analysis tools.

• Strong foundational knowledge in Computer Science.
• At least 3 years of professional software development experience in JavaScript.
• Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).
• Familiarity with JavaScript practices followed in the industry.
• Native experience with Linux/Unix environment.
• A focus on delivering high-quality code through strong testing practices.