Practical Frontend Engineering Tutorials for Building Scalable Web Applications

Learn React, TypeScript, enterprise design systems, accessibility, micro frontends, web performance and AI-powered application development through detailed technical articles and real-world implementation guides.

Online Training Home helps frontend developers, technical leads and software architects turn complex engineering concepts into maintainable, accessible and production-ready solutions.

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Featured Enterprise Design Systems Guide

Building an Enterprise Design System from Scratch

Learn how to plan, build, document and scale a reusable design system across multiple applications, product teams and technology platforms.

This step-by-step guide covers design tokens, component architecture, accessibility, Storybook documentation, governance, contribution models, versioning and design system adoption.

Subrahmanyam Poluru18 min readJuly 14, 2026

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Latest Frontend Engineering Articles

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Design Systems

How to Build and Scale an Enterprise Design System

A practical framework for creating reusable components, design tokens, documentation, governance and adoption across enterprise product teams.

15 min readJuly 14, 2026

Frontend Architecture

React Architecture Patterns for Large-Scale Applications

Explore component boundaries, state management, application layers, testing strategies and maintainable folder structures for enterprise React applications.

12 min readJuly 10, 2026

AI Engineering

Building AI-Powered Web Applications with RAG and LLMs

Learn how retrieval-augmented generation, vector databases, prompt workflows and frontend interfaces work together in modern AI products.

14 min readJuly 7, 2026

Explore Frontend Engineering Topics

Browse technical guides organized by technology, architecture pattern and engineering specialty.

React JavaScript TypeScript Design Systems Web Components Micro Frontends AI Engineering Software Architecture Web Accessibility Web Performance

Featured Frontend Tutorials

Follow structured tutorials with practical examples, architecture decisions and reusable code patterns.

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Intermediate React Tutorial

React Architecture for Scalable Frontend Applications

Organize components, features, services, application state and tests using a maintainable enterprise frontend architecture.

Design Systems Tutorial

Build a Design System with Tokens, Storybook and React

Create reusable design tokens, accessible React components, Storybook documentation and a reliable component release workflow.

Advanced AI Tutorial

Build a Retrieval-Augmented Generation Application

Connect a frontend application to an LLM, document pipeline, embedding model and vector database using a practical RAG architecture.

Enterprise Design Systems

Build Consistent, Accessible and Scalable Product Experiences

Explore practical guidance for creating enterprise design systems that connect design, engineering and product teams through shared standards, reusable components and measurable governance.

Topics include design tokens, Figma-to-code workflows, React component libraries, Web Components, Storybook, WCAG accessibility, versioning, contribution models and adoption strategies.

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Frontend Architecture

Engineering Patterns for Complex Web Platforms

Learn how modern frontend platforms are structured using React, TypeScript, micro frontends, Module Federation, backend-for-frontend services, GraphQL, automated testing and performance monitoring.

Micro Frontend Architecture

Patterns for independent teams, deployments and shared platform capabilities.

Webpack Module Federation

Share runtime modules and dependencies across distributed frontend applications.

Frontend Performance Engineering

Improve Core Web Vitals, bundle size, rendering speed and application responsiveness.

AI Engineering for Product Teams

Build Reliable AI-Powered Applications and Developer Workflows

Learn practical patterns for integrating large language models, retrieval-augmented generation, AI agents, vector databases and evaluation workflows into modern web applications.

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Open-Source Frontend Projects

Reusable starter projects, accessible components and engineering tools for developers.

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React Design System Starter

Design tokens, accessible components, Storybook and automated testing.

Accessible React Components

Reusable dialogs, forms, navigation patterns and keyboard interactions.

Frontend Performance Audit Toolkit

A practical checklist for measuring and improving web application performance.

Free Frontend Engineering Resources

Download practical templates, checklists and technical planning documents.

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Design System Planning Template

Define scope, teams, governance, milestones and adoption goals.

Frontend Architecture Checklist

Review scalability, maintainability, security, testing and performance.

Web Accessibility Audit Checklist

Evaluate keyboard access, semantics, focus management, forms and color contrast.

About the Author

Subrahmanyam Poluru

Subrahmanyam Poluru is an experienced frontend architect and design systems specialist with more than 17 years of experience building scalable, accessible and high-performing enterprise applications.

Throughout his career, he has developed and contributed to major enterprise design systems, component libraries and digital style guides supporting products and platforms associated with Apple, Equinix, ExxonMobil, leading U.S. healthcare organizations and Tier-1 financial services companies.

His work has focused on creating reusable frontend foundations that help multiple product teams deliver consistent user experiences, improve accessibility, accelerate development and maintain quality across complex applications.

His areas of expertise include React, TypeScript, Web Components, micro frontends, design tokens, Storybook, frontend architecture, accessibility, web performance and AI-powered application development.

Through Online Training Home, he shares practical technical articles, architecture patterns, tutorials and open-source resources for developers, engineering leaders and product teams.

Learn More About Subrahmanyam Poluru