Chaitanya Kumar
JavaScript Developer • a*****@gmail.com • 098****321
Career Objective
Motivated JavaScript developer (fresher) with strong ES6+ fundamentals and hands-on experience building responsive, user-focused web applications using React, modern CSS frameworks, and RESTful APIs. Passionate about writing clean, maintainable code, solving UI problems, and continuously learning new frontend practices. Seeking an entry-level JavaScript developer role to contribute to performant web products and grow within an engineering team.
Technical Skills
Web Technologies: REST APIs,JSON
Frameworks and Libraries: React.js,React Hooks,Bootstrap,Tailwind CSS,Node.js,Express.js
Databases: MongoDB,Local Storage
Tools and Methodologies: Git,GitHub,npm,Visual Studio Code,Chrome DevTools,Postman
Skills: JavaScript ES6+,HTML5,CSS3
Styling & UI: Responsive Web Design
Web & APIs: Fetch API,Async,Await,DOM Manipulation
Core Concepts: Object-Oriented Programming,Event Handling,Error Handling
Projects
Personal Expense Tracker
Tools Used: JavaScript, HTML5, CSS3, Local Storage, DOM Manipulation, Responsive Web Design
- Designed and implemented a responsive expense management single-page application using vanilla JavaScript, HTML5, and CSS3 to track incomes and expenses across devices.
- Built add, edit, and delete transaction flows with form validation and user-friendly error handling to ensure accurate data entry and improved UX.
- Persisted user transactions using Local Storage to provide session persistence without a backend, enabling users to retain data across browser sessions.
- Implemented dynamic calculations for income, expenses, and balance summaries, updating the UI in real time as transactions change.
- Structured code for maintainability using modular functions and clear separation of DOM update logic and data manipulation.
Weather Dashboard
Tools Used: JavaScript, Fetch API, Async, Await, JSON, Responsive Web Design, Error Handling
- Developed a weather dashboard that fetches live weather data from a public REST API and displays temperature, humidity, wind speed, and conditions dynamically.
- Implemented asynchronous data fetching using Fetch API with async/await and robust error handling to manage API failures and loading states.
- Built a responsive search interface with debounced input and loading indicators to improve perceived performance and reduce unnecessary API calls.
- Parsed and transformed API responses into user-friendly UI components, including icons and formatted temperature units.
- Handled edge cases such as invalid city searches and network errors with informative UI messages to maintain a smooth user experience.
Certifications
JavaScript Algorithms and Data Structures
React Fundamentals
Git & GitHub Essentials
Responsive Web Design
Achievements
- Built multiple responsive web applications: Developed and deployed several personal web projects demonstrating responsive design and JavaScript fundamentals.
- Completed 200+ JavaScript coding challenges: Practiced algorithmic problem solving to strengthen core JavaScript and data-structure knowledge.
- Maintained an active GitHub portfolio: Published project code and version history to showcase practical implementations and progress.
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