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Hi, I am Sourabh Kumar, a results-driven Frontend Engineer with over 3 years of experience designing and developing scalable, high-performance web applications using React.js and Next.js. I specialize in building modular, reusable component architectures with a deep understanding of modern JavaScript (ES6+), HTML5, and CSS3. I am passionate about applying responsive design principles, optimizing Core Web Vitals, and integrating RESTful APIs to deliver seamless, interactive user experiences. I have led frontend architecture for government portals with role-based access control and real-time data flows, built reusable admin dashboards supporting dynamic page creation across multiple applications, and delivered core features for large-scale e-commerce apps optimizing performance with Next.js SSR. Collaborative by nature, I work closely with UI/UX teams, backend developers, and clients, continually enhancing features through Agile iterations and direct requirement gathering to ensure optimal solutions.…Hi, I am Sourabh Kumar, a results-driven Frontend Engineer with over 3 years of experience designing and developing scalable, high-performance web applications using React.js and Next.js. I specialize in building modular, reusable component architectures with a deep understanding of modern JavaScript (ES6+), HTML5, and CSS3. I am passionate about applying responsive design principles, optimizing Core Web Vitals, and integrating RESTful APIs to deliver seamless, interactive user experiences. I have led frontend architecture for government portals with role-based access control and real-time data flows, built reusable admin dashboards supporting dynamic page creation across multiple applications, and delivered core features for large-scale e-commerce apps optimizing performance with Next.js SSR. Collaborative by nature, I work closely with UI/UX teams, backend developers, and clients, continually enhancing features through Agile iterations and direct requirement gathering to ensure optimal solutions.

Sourabh Kumar

Front-End Developer, Developer, Web Developer, +1

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Hi, I am Sourabh Kumar, a results-driven Frontend Engineer with over 3 years of experience designing and developing scalable, high-performance web applications using React.js and Next.js. I specialize in building modular, reusable component architectures with a deep understanding of modern JavaScript (ES6+), HTML5, and CSS3. I am passionate about applying responsive design principles, optimizing Core Web Vitals, and integrating RESTful APIs to deliver seamless, interactive user experiences. I have led frontend architecture for government portals with role-based access control and real-time data flows, built reusable admin dashboards supporting dynamic page creation across multiple applications, and delivered core features for large-scale e-commerce apps optimizing performance with Next.js SSR. Collaborative by nature, I work closely with UI/UX teams, backend developers, and clients, continually enhancing features through Agile iterations and direct requirement gathering to ensure optimal solutions.…Hi, I am Sourabh Kumar, a results-driven Frontend Engineer with over 3 years of experience designing and developing scalable, high-performance web applications using React.js and Next.js. I specialize in building modular, reusable component architectures with a deep understanding of modern JavaScript (ES6+), HTML5, and CSS3. I am passionate about applying responsive design principles, optimizing Core Web Vitals, and integrating RESTful APIs to deliver seamless, interactive user experiences. I have led frontend architecture for government portals with role-based access control and real-time data flows, built reusable admin dashboards supporting dynamic page creation across multiple applications, and delivered core features for large-scale e-commerce apps optimizing performance with Next.js SSR. Collaborative by nature, I work closely with UI/UX teams, backend developers, and clients, continually enhancing features through Agile iterations and direct requirement gathering to ensure optimal solutions.

Available to hire

Hi, I am Sourabh Kumar, a results-driven Frontend Engineer with over 3 years of experience designing and developing scalable, high-performance web applications using React.js and Next.js. I specialize in building modular, reusable component architectures with a deep understanding of modern JavaScript (ES6+), HTML5, and CSS3. I am passionate about applying responsive design principles, optimizing Core Web Vitals, and integrating RESTful APIs to deliver seamless, interactive user experiences.

I have led frontend architecture for government portals with role-based access control and real-time data flows, built reusable admin dashboards supporting dynamic page creation across multiple applications, and delivered core features for large-scale e-commerce apps optimizing performance with Next.js SSR. Collaborative by nature, I work closely with UI/UX teams, backend developers, and clients, continually enhancing features through Agile iterations and direct requirement gathering to ensure optimal solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

Hindi

Fluent

English

Advanced

Work Experience

Frontend Developer at Madhya Pradesh Pollution Control Board

May 1, 2024 - Present

Designed and developed a scalable, user-friendly government portal using React.js and microservices-based architecture, allowing industries to seamlessly apply for and manage environmental clearances through responsive, role-driven interfaces. Built robust authentication and authorization system with Keycloak, enabling secure role-based access for various user types including industry representatives, government officials, and administrators. Integrated third-party APIs and MinIO object storage for real-time data retrieval, dynamic form population, secure PDF generation, and e-signature workflows supporting modules like consent management, inspection scheduling, and industry registration.

Frontend Developer / Software Engineer (Project: Madhya Pradesh Pollution Control Board) at Skilled Answers Info Solutions Pvt. Ltd.

May 1, 2024 - Present

Designed and developed a scalable, user-friendly government portal using React.js and a microservices-based architecture, enabling industries to seamlessly apply for and manage environmental clearances through responsive, role-driven interfaces. Built a robust authentication and authorization system with Keycloak enabling secure, role-based access for various user types such as industry representatives, government officials, and administrators. Integrated third-party APIs and MinIO object storage for real-time data retrieval, dynamic form population, secure PDF generation, and e-signature workflows, supporting modules like consent management, inspection scheduling, and industry registration. Utilized React.js, JavaScript (ES6+), UI/UX implementation, microservices architecture, Keycloak (RBAC), Axios, MinIO, and RESTful API integration.

Frontend Developer at Sangeethamobiles – Enterprise-Scale E-commerce Platform

April 1, 2024 - August 4, 2025

Led the development of Sangeethamobiles, a large-scale e-commerce platform for one of India’s largest mobile retail giants with 780+ stores and 12M+ customers, enabling seamless online shopping through a high-performance, mobile-first Next.js application. Used server-side rendering (SSR) and static site generation (SSG) to ensure optimal performance, SEO, and fast load times across devices. Integrated secure backend APIs via Axios for real-time product data, user authentication, and multi-gateway payment processing. Implemented a dynamic shopping cart with responsive item and quantity management. Collaborated closely with UI/UX teams, backend developers, and clients, ensuring seamless frontend-backend integration and continuously enhancing features through direct requirement gathering and Agile iterations.

Frontend Developer / Software Engineer at Skilled Answers Info Solutions Pvt. Ltd.

April 1, 2024 - August 4, 2025

Engineered responsive and dynamic web applications using React.js and Next.js with strong emphasis on component-driven architecture, reusability, and performance optimization across multiple devices and browsers. Developed scalable UI components and feature modules, translating Figma/UX wireframes into pixel-perfect, standards-compliant frontends using ES6+, HTML5, CSS3, and preprocessors; ensured alignment with business logic and application architecture. Integrated RESTful APIs via Axios enabling real-time data handling and seamless frontend-backend communication; conducted unit testing, browser debugging, and performance tuning to ensure stability and maintainability. Collaborated in cross-functional Agile teams alongside UI/UX designers and backend engineers to implement mobile-first design principles, ensure cross-browser compatibility, and contribute to sprint planning and code reviews via GitHub.

Frontend Developer (Software Engineer) at Shyena Solutions Pvt Ltd

April 1, 2024 - Present

Architected and led the development of scalable, responsive single page applications for government platforms using React.js and modular microservices architecture. Enhanced user experience workflows and enabled future extensibility. Translated client requirements into interactive wireframes and application structures using tools like Draw.io, aligning business logic with frontend design through reusable components built with ES6+, HTML5, SCSS, and React libraries. Integrated Keycloak for secure authentication and role-based access control (RBAC), managing dynamic user permissions across pages and modules. Implemented authorization layers for protected content rendering. Integrated multiple third-party services including payment gateways and departmental APIs supporting dynamic form rendering, real-time data exchange, secure PDF generation, and e-signature workflows. Utilized MinIO object storage for efficient document handling, managing object paths and secure API-driven file access.

Frontend Developer at Sangeethamobiles – Enterprise-Scale E-commerce Platform

April 1, 2024 - August 4, 2025

Led the development of Sangeethamobiles, a large-scale e-commerce platform in India with over 780 stores and 12M+ customers, using Next.js with server-side rendering (SSR) and static site generation (SSG) to ensure optimal performance, SEO, and fast load times across devices. Integrated secure backend APIs via Axios for real-time product data, user authentication, and multi-gateway payment processing. Implemented a dynamic shopping cart with responsive item and quantity management. Collaborated closely with UI/UX teams, backend developers, and clients to ensure seamless frontend-backend integration and continuously enhanced features through direct requirement gathering and Agile iterations.

Frontend Developer / Software Engineer at Skilled Answers Info Solutions Pvt. Ltd.

April 1, 2024 - August 4, 2025

Engineered responsive and dynamic web applications using React.js and Next.js, emphasizing component-driven architecture, reusability, and performance optimization across multiple devices and browsers. Developed scalable UI components and feature modules, translating Figma/UX wireframes into pixel-perfect, standards-compliant frontends utilizing ES6+, HTML5, CSS3, and preprocessors. Integrated RESTful APIs via Axios for real-time data handling and seamless frontend-backend communication. Conducted unit testing, browser debugging, and performance tuning to ensure stability and maintainability. Collaborated cross-functionally in Agile environments alongside UI/UX designers and backend engineers to implement mobile-first design principles, ensure cross-browser compatibility, and participate in sprint planning and code reviews via GitHub.

Frontend Developer (Software Engineer) at Shyena Solutions Pvt Ltd

April 1, 2024 - Present

Architected and led the development of scalable, responsive Single Page Applications (SPAs) for government platforms using React.js and modular microservices architecture, enhancing UX workflows and enabling future extensibility. Translated client requirements into interactive wireframes and application structure with tools like Draw.io, aligning business logic with frontend design via reusable components built with ES6+, HTML5, SCSS, and React libraries. Integrated Keycloak for secure authentication and role-based access control (RBAC), managing dynamic user permissions across pages and modules with authorization layers for protected content rendering. Implemented third-party integrations including multiple payment gateways and departmental APIs supporting dynamic form rendering, real-time data exchange, secure PDF generation, and e-signature workflows. Utilized MinIO object storage for efficient document handling with API-driven file access. Collaborated in Agile teams to resolve per

Frontend Developer at Tounz

February 1, 2024 - August 4, 2025

Developed a mobile-responsive React.js web app for managing pet profiles linked to unique ID tags. Built modular and reusable components displaying pet profiles with images, details, and real-time missing status indicators. Integrated RESTful APIs using Axios for dynamic data handling and implemented user authentication and authorization for secure profile management.

Frontend Developer at Tounz

February 1, 2024 - August 4, 2025

Developed a mobile-responsive React.js web app for managing pet profiles linked to unique ID tags. Built modular and reusable components to display pet profiles including images, details, and real-time missing status indicators. Integrated RESTful APIs using Axios for dynamic data handling and implemented user authentication and authorization to enable secure profile management for pet owners.

Frontend Developer at Dynamic Page Creation – Reusable Admin Content Management Panel

October 1, 2023 - August 4, 2025

Designed and built a reusable, dynamic admin dashboard supporting multi-application content management, featuring real-time page creation, editing, deletion, and structured content rendering through tab-based navigation and modular layout blocks—no code changes required. Integrated backend APIs using jQuery AJAX to enable dynamic content loading based on user interactions. Collaborated with backend teams and clients to define API endpoints, ensuring seamless data flow and adaptability across varied use cases.

Frontend Developer at Dynamic Page Creation – Reusable Admin Content Management Panel

October 1, 2023 - August 4, 2025

Built a reusable admin panel for multi-app content management with dynamic page creation and real-time content loading via API integration. Designed and built dynamic admin dashboards supporting multi-application content management with features like real-time page creation, editing, deletion, and structured content rendering through tab-based navigation and modular layout blocks without requiring code changes. Integrated backend APIs using jQuery AJAX to enable dynamic content loading based on user interactions. Collaborated with backend teams and clients to define API endpoints ensuring seamless data flow and adaptability across different use cases.