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)

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.

Job Description :

We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

Responsibilities :

- Develop new user-facing features

- Build reusable code and libraries for future use

- Ensure the technical feasibility of UI/UX designs

- Optimize application for maximum speed and scalability

- Assure that all user input is validated before submitting to back-end

- Collaborate with other team members and stakeholders

Skills :

* Proficient understanding of web markup, including HTML5, CSS3.

* Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS.

* Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery.

* Good understanding of asynchronous request handling, partial page updates, and AJAX.

* Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image.

* Familiarity with tools such as Gimp or Photoshop is a plus.

* Proficient understanding of cross-browser compatibility issues and ways to work around them.

* Proficient understanding of code versioning tools, such as Git / Bitbucket.

* Good understanding of SEO principles and ensuring that application will adhere to them.

As a Front-end developer, you will work with motivated individuals who are passionate-beyond-measure to offer the Ultimate Shopping experience to consumers. You will leverage the latest technologies (HTML5, Javascript, ajax) and application paradigms (web apps on the desktop) to create a beautiful client that runs seamlessly on windows, mac, chrome, firefox, IE, safari.

Responsibilities:

• Implement Visual Designs in standards compliant, clean markup (HTML5/CSS3/JS)
• Develop responsive designs and thoroughly test cross browser compatibility of all product interfaces
• Identify and research new UI technologies
• Suggest and implement improvements to existing product interfaces
• Assist in building wireframes/prototypes
• Make data driven decisions based on analytics to improve user engage
• Advise, collaborate with, and synthesize feedback from designers and the backend team.
• Ready to explore and perform tasks that are out of your own pool of expertise
• Fulfil several project requests simultaneously while meeting tight deadlines.
• Make pages optimized for both performance as well as SEO

Requirements:

• Expert in making scalable and modular Front End code
• In depth knowledge of HTML, CSS & JavaScript
• Good experience in making Progressive Web Apps
• Knowledge of cross browsers & devices development issues and inconsistencies
• Good knowledge and experience in ReactJS and Server Side Rendering
• Experience in setting up & running task runners like Gulp & Webpack
• Experience in CSS pre and post processors like SASS/Stylus & PostCSS (we use SASS combined with PostCSS) & BEM style coding
• Experience in creating transitions/animations at 60fps especially on mobiles

• You will be working together with fellow junior and senior Frontend developers, helping to improve the group's skill level and exchanging new ideas.
• On a daily basis, you write JavaScript/Typescript/ES6/Angular/React and HTML5, CSS3 (SASS/LESS/Stylus)
• Closely collaborate with designers and the rest of the technical team (Backend, DevOps, QA) to make sure we’re all aligned.
• You will manage projects with open-source JavaScript and TypeScript libraries and frameworks (we're big on React and Angular), and explore new technologies (GraphQL, AppSync, Apollo).
• Code reviews are, of course, a part of your responsibilities as well as providing high-quality work.
  
  

What it takes to excel in this role

• Strong core JavaScript and TypeScript
• Minimum 4 years experience in front end development
• 5+ years of JavaScript development experience
• Minimum of 2 years of experience with either, Angular 5+ or React
• Experience with Webpack/Grunt/Gulp or other automated build tools
• Experience with Jasmine/Jest or other JavaScript testing frameworks and tools
• Strong Experience with HTML, CSS, SASS/LESS/Stylus
• Experience with JSON, REST, Web Services
• Experience with working in an Agile environment
• Good communication(in English) and consultancy skills
• Affinity for working in a flexible, diverse and fast growing environment
• Proactive mindset focused on teamwork and continuous improvement - we want to grow together with you
  
  

• Experience with AWS
• Experience with React Native
• Experience with GraphQL, PWA, NodeJS

• Full stack product engineering i.e. design, engineer, test, deploy, monitor, and maintain software components to QA and Production environments
• Design & engineer product experience & APIs conforming to defined quality, maintainability, scalability, and performance KPIs
• Build, maintain, and improve continuous integration and delivery lifecycle processes
• Automation of repetitive engineering and production activities

• Engineering in computer science
• 3+ year of relevant experience in product engineering with expertise in building frameworks, reusable components, and APIs
• Expert level skills in analytical & problem solving
• Strong programming and engineering fundamentals like Data Structures,
• Design Principles, TDD, and Performance Tuning to build scalable and performance optimized product
• Ability to communicate clearly in English

• HTML5
• CSS3 (Sass/Less)
• JQuery
• JavaScript (ES6) / TypeScript
• React.js
• Version Control : Git

Tech Stack :

PHP, HTML, CSS, JAVASCRIPT, AJAX, REST API, JQUERY, POSTGRESQL/MYSQL, MVC FRAMEWORK.

Responsibilities:

• Design and build advanced applications
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Able to understand and create Documentation according to Client requirement.

Requirements:

• Ability to write clean, commented and maintainable code.
• Basic understanding of MVC frameworks.
• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
• Proper understanding of OOPS concepts.
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
• Creating database schemas that represent and support business processes.
• Proficient knowledge of a back-end programming.
• Proficient understanding of code versioning tools, such as Git.
• Proven software development experience and Web application development skills.
• Understanding of startup culture.
• Good team player, Quick learner.