Hi There! 👋

I'm Sanjay Kumar S R

Application Developer || Frontend Developer

Professional Frontend Developer with over 4 years of experience in building responsive, scalable, and user-centric web applications. Highly proficient in React.js, TypeScript, JavaScript (ES6+), and Next.js, with strong expertise in modern UI/UX design principles, component-based architecture, and performance optimization. Skilled in writing clean, maintainable code and collaborating effectively with cross-functional teams in Agile environments. Experienced in state management, REST API integration, and web accessibility. Committed to delivering high-quality, production-ready applications that provide seamless and efficient user experiences across various devices and platforms.

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WHAT I DO

Frontend Development

Building visually stunning and interactive user interfaces using modern frameworks like React.js, TypeScript, and Next.js.

Responsive Design

Ensuring seamless experiences across all devices—desktops, tablets, and mobile screens—with pixel-perfect responsiveness.

Performance Optimization

Implementing lazy loading, efficient API calls, and advanced caching strategies for a fast and smooth user experience.

Testing & Code Quality

Writing robust unit and integration tests using Jest and React Testing Library to ensure high-quality and maintainable codebases.

UI/UX Design

Crafting beautiful, intuitive user interfaces with attention to detail, accessibility, and user experience.

Technical Architecture

Designing scalable and maintainable application architectures using modern tools and best practices.

PROJECTS

Weather Forecast

Weather Forecast provides real-time weather updates for any searched city with a modern, user-friendly interface. It displays current weather details, including temperature, wind speed, humidity, and atmospheric pressure, along with a five-day forecast. The UI features a clean design with structured cards and clear typography for easy readability.

React JSTypescriptViteOpen Weathermap APIJavaScriptCSS

Source Code Live Preview

CryptoLoom

CryptoLoom is a real-time cryptocurrency dashboard that streams live market data from Binance’s WebSocket API.

React JSTypeScriptViteWebSocketBinance API

Source Code Live Preview

TravelGenie.AI

TravelGenie.AI is a smart travel planning platform powered by Gemini 1.5 Flash AI, designed to create personalized itineraries. By entering details like destination, dates, budget, and interests, users get optimized trip plans with curated activities. The AI enables fast itinerary generation and real-time recommendations.

React JSTypeScriptMaterial UITailwind CSSViteGemini 1.5 Flash AI

Source Code Live Preview