React.js Developer - Intern

Job Title : Frontend Developer (React.js, Next.js - SSR & SSG)

Experience : 2 to 6 Years

Location : Gurugram (Sector 65)

Work Schedule : Monday to Friday (Saturday if required)

About the Role :

We are looking for a skilled Frontend Developer (React.js, Next.js - SSR & SSG) to join our team. The ideal candidate will be responsible for building high-quality, scalable, and responsive web applications while collaborating closely with design and backend teams.

Mandatory Skills :

React.js, Next.js (SSR & SSG), JavaScript (ES6+), TypeScript, HTML, CSS, SCSS, Bootstrap, Responsive Web Development, State Management (Redux/Context API), Performance Optimization, API Integration

Key Responsibilities :

• Collaborate with designers and backend engineers to convert UI/UX designs into clean, efficient, and responsive front-end code.
• Develop reusable UI components using modern frameworks such as React and Next.js.
• Implement styling using SCSS and ensure responsive design using Bootstrap.
• Optimize applications using Server-Side Rendering (SSR) and Static Site Generation (SSG) in Next.js.
• Contribute to and maintain a scalable design system for consistency across the platform.
• Ensure high performance, speed optimization, and cross-browser compatibility.
• Identify, debug, and resolve front-end issues to enhance user experience.
• Write clean, maintainable, and well-documented code following best practices.
• Participate in code reviews and contribute to continuous improvement of code quality.
• Maintain and enhance existing front-end features and components.
• Stay updated with the latest trends and technologies in front-end development.

Required Skills & Qualifications :

• 2 to 6 years of experience as a Frontend Developer.
• Strong proficiency in HTML, CSS, JavaScript (ES6+), and TypeScript.
• Hands-on experience with React.js and Next.js.
• Experience with SCSS for modular and component-based styling.
• Strong understanding of Bootstrap for responsive UI development.
• Experience implementing SSR and SSG in Next.js.
• Knowledge of responsive design and modern UI/UX principles.
• Familiarity with state management tools such as Redux, Recoil, or Context API.
• Experience with testing tools like Jest or Cypress.
• Knowledge of performance optimization techniques (e.g., lazy loading, code splitting).
• Basic understanding of blockchain concepts and tools like web3.js or ethers.js is a plus.
• Strong communication, problem-solving, and teamwork skills.

Good to Have :

• Experience working with design systems or component libraries.
• Exposure to Web3 or blockchain-based applications.
• Familiarity with Agile development methodologies.

Role and Responsibilities 

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.  

• • Developing new user-facing features using React.js 
• • Building reusable components and front-end libraries for future use 
• • Translating designs and wireframes into high quality code 

• • Optimizing components for maximum performance across a vast array of web-capable devices and browsers. 
• • Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model 
• • Thorough understanding of React.js and its core principles 
• • Experience with popular React.js workflows (such as Flux or Redux). 
• • Experience in Bootstrap framework.  

• • Familiarity with newer specifications of ECMAScript 
• • Familiarity with RESTful APIs 
• • Knowledge of modern authorization mechanisms, such as JSON Web Token 
• • Familiarity with modern front-end build pipelines and tools 
• • Experience with common front-end development tools such as NPM, YARN etc. 

• • Ability to understand business requirements and translate them into technical requirements 
• • A knack for benchmarking and optimization 
• • Familiarity with code versioning tools Azure Devops. 
• • Experience in IDE such as VS code \ VS. 

• Experience – 10 - 14 years 

• Qualification – Any graduate  

Core responsibilities

•      Collaborate with product teams to more accurately define new features

•      Collaborate with UX in the building of a design system/component library

•      Ensure high performance of all systems developed

•      Aware of the relationship between development and business with a strong sense of ownership

•      Employ the latest techniques such as agile software development

•      Good knowledge of highly scalable server-side development

•      Basic working knowledge of Unix/Linux

•      Excellent problem solving and coding skills in Javascript/Angular

•      Strong interpersonal, communication and analytical skills

•      Should have the ability to express their design ideas and thoughts

Job Brief

•      JavaScript and angular expertise

•      Experience with libraries such as bootstrap, Ag-grid, formly, observables, and ngrx

•      You enjoy working with new technologies, and are curious and energetic

•      Experience working with REST APIs

•       Good understanding about authentication and security

•      Create and maintain various unit and integration tests

•      You enjoy working in a creative and agile environment that moves fast

•      Ability and interest in providing mentorship to junior members of the team

•      Write high quality code and Conduct code reviews

•      Being resourceful and detail-oriented, along with being an outside the box thinker!

•      Experience being a great team player, who work collaborative, and brings a positive attitude

Company Profile:

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

https://www.youtube.com/watch?v=H_rLmHvlOKg

Employee Speak: https://www.ambitionbox.com/overview/wissen-technology-overview

LinkedIn: https://www.linkedin.com/company/wissen-technology

Wissen | Driving Digital Transformation

A technology consultancy that drives digital innovation by connecting strategy and execution, helping global clients to strengthen their core technology.

React JS Developers

Experience: 3-6 Years

Location: Bangalore (onsite)

Responsibilities:

Design and implement user interface components for JavaScript-based web applications

using React JS

 Work as a part of a small team that includes other react JS developers, designers, QA

experts, and managers

 Build app and UI components from prototypes and wireframes

 Built REST APIs for tight integrations with the Backend

 Write automated tests to ensure error-free code and performance

 Improve front-end performance by eliminating performance bottlenecks

 Create front-end modules with maximum code reusability and efficiency

 Work with third-party dependencies and APIs

 Work with Redux architecture to improve the performance of the websites/mobile apps

 Coordinate with the cross-functional teams to build apps in the stipulated time/budget

 Knowledge of TypeScript 

 Knowledge of HTML, JavaScript, CSS, Bootstrap

 React routing, React Hooks, Internationalization

JOB OVERVIEW

Responsible for the front-end development of user interfaces ensuring an enhanced user experience. Follow

emerging trends, adhere to development best practices, and help make improvements to existing web pages,

emails, and all other user interfaces/experiences.

we will need some stronger UX skills to round out the rest of the team (comfortable working with figma and creating responsive/pixel perfect designs

ROLES AND RESPONSIBILITIES

• Work in collaboration with Callaway Golf Designers to turn their vision into functional HTML templates

integrated into SAP Hybris across international sites and multiple brands

• Work in collaboration with backend developers to ensure proper implementation of website data and

functionality.

• Help manage projects through the design, development, and QA processes

• Continue to expand knowledge of new technologies, as well as strengthen current knowledge base

• Build responsive sites for mobile and desktop web experiences.

• Follow the latest advancements in front end technologies and techniques.

• Review code and mentor other developers on best-practices for front end development.

• Help import content and product data into sites using a multi-country model including localization and site[1]specific catalogs

• Help integrate images from digital asset management system

TECHNICAL COMPETENCIES (Knowledge, Skills & Abilities):

• Experience developing web-based responsive applications

• Fluent in HTML/CSS/JavaScript and able to develop rich client experiences from mock-ups from the ground

up

• Experience using established CSS architecture patterns for code reuse and modularity such as BEM,

SMACSS and others

• Experience with CSS pre-processors such as LESS or SASS

• Experience building responsive templates using bootstrap

• Front end and visualization experience using JavaScript and extensive experience with jQuery Libraries,

React.js, underscore, or native JS for DOM manipulation.

• Experience using HTML markup languages such as JSTL to create high performing applications

• Experience with CMS platforms, such as WordPress, Shopify or Hybris

• Experience using web templating engines

• Extensive knowledge of respective browser compatibility issues (Internet Explorer, Firefox, Safari, Chrome).

• Experience integrating iframes

• Experience loading product and content data onto management tools

• Experience working with RESTful JSON Web Services is a plus

• Experience with front end build tools such as webpack, gulp, grunt, etc.

• Experience with development processes including git

• Experience in working with client and offshore team to ensure seamless delivery.

• Creative, artistic and understanding of how human interacts with computer

• An impeccable eye for detail with the ability to match your UI to any design in a cross-browser and device

environment

• Strong interpersonal and communication skills with an affinity for problem-solving

• Ability to self-manage during projects and proactively raise issues/concerns to the team

• A desire to own a project from beginning to end, with a strong sense of pride in a job exceptionally done

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.