Technology
46 min read
Secure the Job Application Tracker API: hash passwords with bcrypt, log in with signed JWT access tokens, enforce that users can only reach their own data, configure CORS and CSRF correctly, keep secrets out of the code, and prove each protection with tests and real requests.
Technology
30 min read
Build the first version of the Job Application Tracker API: a layered Spring Boot application with controller, service, repository, request and response DTOs, Bean Validation, paging and filtering, problem-details errors and tests, then exercise every endpoint over real HTTP.
Technology
15 min read
Learn what Spring Boot adds to Spring: the project structure, starters, auto-configuration and how it backs off, the embedded server, typed configuration with validation, profiles and the order in which configuration sources win, all run on a real Spring Boot 4.1 application.
Technology
20 min read
Understand what actually travels between a client and a Java backend: the HTTP request and response, methods and their guarantees, status codes, headers, JSON and how Java maps to it, and how to design a clean REST API, with real captured traffic and real JSON mapping.
Technology
6 min read
APIs are behind every UPI payment, map pin and login-with-Google button. Here's what they are, how a request actually works, and how to call one yourself in five minutes.
Technology
5 min read
Frontend, backend, full-stack: the options are confusing. This roadmap sorts the roles, shows what to learn and in what order, and ends with projects and a job-hunt plan.
Technology
4 min read
JavaScript runs every website, but its ecosystem overwhelms beginners. This roadmap shows what to learn first, what to postpone and which projects prove you can build.
Technology
5 min read
What really happens in the second between pressing Enter and seeing a page? A plain walk through DNS, servers, HTTP, HTML, CSS and JavaScript, with no jargon left unexplained.
Technology
6 min read
A portfolio proves what a resume only claims. Here is what to include, how to present projects, how to build and host the site cheaply and the mistakes that make recruiters close the tab.