Jiaxi Liu (Jesse)

Master’s Graduate

Software Engineer | Scalable APIs · Web Scraping · Data Integration · Code Quality & Refactoring

Blog

Thoughts on AI, software, and life. Short notes and long-form writing.

Categories

All Categories AWS8 TypeScript7 Backend3 Database2 Software Engineering2 Testing2 Web Scraping2 AI1 Big Data1 DevOps1 Frontend1 Networking1

NetworkingMay 23, 2026

Computer Networking Review: OSI, TCP/UDP, HTTP, DNS, CDN, and WebSocket

NetworkingHTTPInterview

Networking fundamentals matter for frontend, backend, and cloud engineering.

BackendMay 23, 2026

Node.js, Express, React, and Next.js: From Frontend UI to Backend APIs

Node.jsExpressNext.js API+1

React, Next.js, Node.js, and Express often appear together, but they solve different problems.

BackendMay 23, 2026

Python and Flask Review: Decorators, Generators, Copying, Magic Methods, Encryption, and Tokens

PythonFlaskBackend

Python fundamentals often appear in backend interviews and automation scripting.

FrontendMay 23, 2026

React and Next.js Review: Component Communication, Hooks, Routing, and Server Components

ReactNext.jsFrontend

React builds UI. Next.js adds routing, layouts, server rendering, backend routes, and deployment conventions on top of React.

Web ScrapingMay 23, 2026

BeautifulSoup and Selenium: Static HTML Parsing vs Browser Automation

BeautifulSoupSeleniumWeb Automation+1

BeautifulSoup and Selenium both work with web pages, but they serve different purposes.