Free resources for the next generation of builders.

Articles, cheat sheets, project ideas, interview prep and career guides — handcrafted by Siffrum Analytics engineers for students learning AI/ML, Data Science, Software and Cloud.

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Whether you have five minutes or a free afternoon, there's something here.

Featured Articles

Fresh reads from our mentors.

Curated by working engineers — every article ends with something you can actually try.

AI / ML 🧠

A beginner's guide to embeddings and vector search

What embeddings really are, why they matter for RAG, and how to build a simple semantic search in Python.

Data Science 📈

EDA in 60 minutes: a checklist that actually works

A practical exploratory data-analysis routine you can run on any tabular dataset before modeling.

Data Analytics 📊

10 SQL patterns every analyst should memorize

Window functions, CTEs, conditional aggregates and more — with copy-paste examples.

Software 💻

From localhost to live: deploying your first React + PHP app

A no-fluff walkthrough covering build, environment variables, MySQL and a basic CI pipeline.

Cloud ☁️

AWS in 30 minutes: the only services beginners need to know

A focused tour of EC2, S3, RDS, IAM and CloudWatch — the foundation of 80% of real cloud work.

Career 🎯

Resume tips for Indian engineering students (with examples)

What recruiters actually look for in a fresher resume — formatting, keywords, project framing.

AI / GenAI 🤖

RAG vs fine-tuning: when to use which

A decision framework for picking between retrieval-augmented generation and fine-tuning.

Software ⚛️

React state in 2026: useState, useReducer, Zustand or Redux?

A practical comparison of state-management options — and when each one earns its complexity.

Career 🗣️

How to talk about projects in interviews (STAR + C)

A simple framework that makes your project sound senior — even when you're a fresher.

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Cheat Sheets

One-pagers worth printing.

Free downloadable references built for quick recall during projects, exams and interviews.

🐍

Python for Data

Pandas, NumPy and Matplotlib basics.

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⚛️

React Hooks

useState, useEffect and friends — at a glance.

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Career & Interview

Land the role — not just the skill.

01

The 1-page student resume that gets shortlisted

Section order, must-have keywords for ATS, project framing and the small mistakes that get you rejected.

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02

LinkedIn for engineering students (5-step playbook)

Headline, banner, featured section, posting cadence and how to actually message recruiters.

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03

50 real interview questions (AI / Data / Software)

Categorised by track and difficulty, with sample answers and follow-ups recruiters love.

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04

Your first 90 days as a junior engineer

What to learn, who to befriend, how to ask questions and how to make your first impact stick.

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