Prepare for Interviews: Master File Serving, API Routing, JavaScript Modules & WebSockets with Bun.js
What you will learn
Comprehensive understanding of Bun.js and its core features.
Practical skills in file serving, API routing, and middleware handling.
Techniques for building RESTful APIs and integrating WebSockets.
Advanced JavaScript concepts, including Promises and async/await.
Interview preparation with coding challenges and mock interview questions.
Best practices for fullstack development and application deployment.
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Course Overview
- Welcome to Bun.js Interview Prep for JavaScript Developers 2025, your definitive guide to mastering the nuances of Bun.js and excelling in technical interviews. This course is meticulously designed for JavaScript developers aiming to leverage Bun’s blazing fast performance and modern feature set to stand out in the competitive 2025 job market. We’ll transition from foundational JavaScript knowledge to advanced Bun.js application architecture, focusing heavily on the practical skills and conceptual understanding required to impress interviewers. Beyond just syntax, you’ll gain insights into Bun’s philosophy, its advantages over traditional runtimes, and how to build production-ready applications, ensuring you’re not just a Bun user, but a Bun expert ready for any challenge.
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Requirements / Prerequisites
- Solid JavaScript Fundamentals: A strong working knowledge of ES6+ features, asynchronous programming (Promises, async/await), and common data structures.
- Basic Backend Concepts: Familiarity with HTTP methods, RESTful API principles, and client-server architecture.
- Command-Line Proficiency: Comfort navigating the terminal and executing basic commands.
- Development Environment: Access to a code editor (like VS Code) and a modern operating system.
- Curiosity & Eagerness to Learn: A proactive approach to exploring new technologies and solving problems.
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Skills Covered / Tools Used
- Bun.js Runtime & CLI: In-depth exploration of Bun’s powerful command-line interface, project initialization, and script execution.
- High-Performance HTTP Servers: Crafting robust and ultra-fast web servers using Bun’s native HTTP module.
- Advanced API Routing & Middleware: Implementing sophisticated routing logic, request/response handling, and custom middleware for scalable APIs.
- Static Asset Management: Efficiently serving static files and understanding caching strategies within a Bun environment.
- Real-time WebSockets: Building interactive, real-time applications by mastering Bun’s native WebSocket server capabilities.
- JavaScript Module Handling: Deep dive into Bun’s approach to ESM and CJS compatibility, dependency management with
bun install, and native module resolution. - Bun’s Built-in Test Runner: Writing and executing fast unit and integration tests using Bun’s native test utilities.
- Database Integration: Connecting Bun applications to various databases (e.g., PostgreSQL, SQLite, MongoDB) using popular ORMs and client libraries.
- TypeScript Support: Seamlessly integrating TypeScript into Bun projects for enhanced code quality and maintainability.
- Environment Variables & Configuration: Securely managing application settings and environment-specific configurations.
- Performance Profiling & Optimization: Techniques to identify bottlenecks and optimize Bun.js applications for maximum throughput.
- Basic Deployment Strategies: Understanding containerization and deployment considerations for Bun.js applications.
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Benefits / Outcomes
- Interview Mastery: Confidently answer complex Bun.js-related questions and tackle coding challenges with practical solutions.
- Bun.js Fluency: Develop a deep, hands-on understanding of Bun.js, moving beyond basic usage to advanced architectural patterns.
- Competitive Job Market Edge: Position yourself as an early adopter and expert in a rapidly growing, high-demand technology.
- Build Ultra-Fast Applications: Gain the skills to develop high-performance backend services and real-time applications.
- Problem-Solving Acumen: Enhance your ability to design and implement efficient, scalable solutions using modern JavaScript tools.
- Career Advancement: Open doors to new opportunities in companies leveraging cutting-edge JavaScript runtimes.
- Practical Project Portfolio: Build practical mini-projects throughout the course that can be showcased to potential employers.
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PROS
- Hyper-focused on interview preparation, directly addressing the needs of job-seeking developers.
- Covers cutting-edge Bun.js technology, providing a significant advantage in the job market.
- Emphasizes practical, hands-on learning with real-world application scenarios.
- Delves into critical modern web concepts like WebSockets and efficient file serving.
- Structured for 2025 industry relevance, ensuring up-to-date knowledge and best practices.
- Comprehensive coverage of Bun’s ecosystem, including built-in testing and TypeScript integration.
- Aims to build not just knowledge, but also confidence in technical interviews.
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CONS
- As Bun.js is a relatively new and fast-evolving technology, continuous minor updates might require learners to occasionally consult official documentation for the very latest changes.
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