Most engineering students reach final year having passed every subject and still unsure whether they are ready for a software job. The gap is rarely theory. It is that placements test things the syllabus only touches: writing code under time pressure, building something that works, and explaining it.
Here is what is worth learning before you graduate, in the order that makes each step easier.
1. One programming language, properly
Pick Java or Python and stay with it until you can write a few hundred lines without looking things up. Depth in one language is worth more in an interview than a list of five on your resume.
2. Data structures and algorithms
Coding rounds are built on arrays, strings, linked lists, trees, graphs, sorting, searching and dynamic programming. Learn each structure, then practise problems regularly in the language you chose. Consistency over months matters more than a burst before placements.
3. Git and GitHub
Every software team uses version control. Learn to commit, branch, merge and open a pull request, and keep your projects on GitHub so there is something for an interviewer to look at.
4. Build one complete application
A full stack project teaches you things no single subject does: how a frontend talks to a server, how data is stored, how a user logs in, and how to put the result online. The MERN stack and Python full stack are both good routes. Build something with a real use, such as a college management portal, and deploy it.
5. Databases and SQL
Almost every application stores data, and SQL questions appear in many interviews. Be comfortable writing queries with joins and aggregation, and understand how to design a simple schema.
6. One specialisation that interests you
Once the basics are in place, go a step further in one direction: data analytics, AI and machine learning, DevOps, UI/UX design or a platform skill such as ServiceNow. It gives you something specific to talk about and a second kind of role to apply for.
7. Explaining your work
Interviewers ask you to walk through your project and your reasoning. Practise explaining what you built, the decisions you made and what you would change. A modest project explained clearly beats an impressive one you cannot describe.
When to start
First and second year are the time for a language and DSA. Third year is the time for a project and a specialisation. If you are already in final year, focus on DSA practice and finishing one deployed project.