👨‍💻 Anuj Singh | Senior Frontend Engineer Portfolio

React.js • Next.js • TypeScript • GenAI UI

About Me

Senior Frontend Engineer with nearly 6 years of experience building scalable, high-performance web applications using React.js, Next.js, and TypeScript. I specialize in frontend architecture, headless CMS integrations, performance optimization, and API-driven systems, with experience in enterprise digital transformation and SEO-friendly content platforms.

I’ve also worked on GenAI-enabled frontend experiences, including LLM-powered features, conversational interfaces, and enhanced search experiences using RAG patterns.

Core Strengths

• Frontend architecture and scalable UI systems
• React.js / Next.js / TypeScript development
• Headless CMS implementations (Contentful, AEM migration workflows)
• Performance optimization and Core Web Vitals improvement
• GraphQL, REST APIs, and AWS AppSync integrations
• Localization, accessibility, and enterprise content experiences
• GenAI UI integration and conversational experiences

Skills

Languages

• JavaScript
• TypeScript
• HTML
• CSS

Frontend

• React.js
• Next.js (App Router)
• Redux Toolkit
• Tailwind CSS

GenAI

• LLM APIs
• Prompt Engineering
• Retrieval Augmented Generation (RAG)
• Conversational UI
• Streaming UI
• MCP Client/Server

Technologies & Tools

• REST APIs
• GraphQL
• Contentful CMS
• Git
• CI/CD
• Jest
• Webpack
• Azure DevOps
• SonarQube

Core Concepts

• Frontend Architecture
• Headless CMS
• Performance Optimization
• System Design
• Accessibility
• Testing
• State Management
• SEO
• Internationalization (i18n)
• React Server Components
• Server Actions
• Data Flow Optimization

Experience

Senior Frontend Engineer | EPAM Systems | April 2026 - Present

Client: Philips

• Migrated enterprise platforms from AEM to Contentful to support scalable multi-market digital experiences across 10+ regions.
• Built and optimized large-scale Next.js and React.js applications with TypeScript and GraphQL, improving Core Web Vitals by 20%.
• Developed reusable component-driven architecture using a Design System, reducing UI duplication by 25%.
• Integrated frontend solutions with enterprise systems via GraphQL and AWS AppSync, aggregating data from Contentful, Coveo Search, and taxonomy platforms.
• Implemented localization, content preview workflows, and real-time authoring capabilities for global markets.
• Worked with Azure DevOps, SonarQube, and CI/CD workflow improvements to increase deployment reliability and code quality.

Senior Frontend Engineer | Infosys Limited | Oct 2020 - Mar 2026

Clients: British Petroleum, Starbucks

• Developed scalable frontend applications using React.js, Next.js, and TypeScript.
• Built reusable component architecture and optimized state management, reducing UI defects by 18%.
• Implemented SSR and ISR using Next.js and real-time updates via SSE and GraphQL APIs.
• Improved code quality with unit testing using Jest and React Testing Library.
• Collaborated with cross-functional teams on API design and end-to-end frontend delivery.
• Optimized performance using code splitting, lazy loading, and bundle optimization, reducing load time by 10%.

Education

Bachelor of Technology in Computer Science

Pranveer Singh Institute of Technology | 2016 - 2020

Contact

• Phone: +91-8423522211
• Email: singhanuj620@gmail.com
• Website: anujsingh.net
• LinkedIn: anuj-singh-007
• GitHub: singhanuj620

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Built with React.js, Next.js, and a focus on exceptional frontend engineering.