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TechOTD Academy — Learn, Build, Grow

Learning resources

Learn faster with free study aids

A plain-language tech glossary, learning paths that show how our courses connect, and an interview-readiness checklist — everything you can use before you even enrol.

Terms explained
Learning paths

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Tech glossary

Tech terms, in plain language

New to the names? Look up what each technology is and which courses use it.

27 terms

AWS

Cloud & Tools

Amazon's cloud platform — rent servers, storage and networking on demand.

Used inCD

CI/CD

Cloud & Tools

Automatically tests and deploys your code every time you push a change.

Used inCD

CSS

Frontend

Controls how pages look: colours, spacing, layout and responsiveness.

Used inFSD

Data Visualization

Data

Turn numbers into charts that make patterns easy to see.

Used inDA

Django

Backend

A full-featured Python framework with batteries included: admin, auth and ORM.

Used inPY

Docker

Cloud & Tools

Packages an app and everything it needs into a container that runs anywhere.

Used inCD

Express

Backend

A lightweight Node.js framework for building web servers and APIs.

Used inFSDMERN

Flask

Backend

A minimal Python framework for building web apps and APIs.

Used inPY

Git

Cloud & Tools

Tracks every change to your code and makes teamwork possible.

HTML

Frontend

The structure of every web page — headings, text, images and forms.

Used inFSD

JavaScript

Frontend

The language that makes pages interactive, in the browser and on servers.

Used inFSDRJS

JSX

Frontend

Write HTML-like markup inside JavaScript to describe your React UI.

Used inRJS

Linux

Cloud & Tools

The operating system behind most servers; you'll work from its command line.

Used inCD

LLM APIs

AI

Services that let your code use large language models like a chat assistant.

Used inAI

MongoDB

Data

A flexible database that stores data as JSON-like documents.

Used inFSDMERN

Next.js

Frontend

A React framework for fast, search-friendly production websites.

Used inNJS

Node.js

Backend

Runs JavaScript outside the browser, so you can build servers and tools.

Used inFSDMERN

Pandas

Data

A Python library for cleaning, reshaping and analysing tabular data.

Used inDA

Prompt Engineering

AI

Writing instructions that get reliable, useful answers from AI models.

Used inAI

Python

Backend

A beginner-friendly language used for backends, automation, data and AI.

Used inPYAIDA

React

Frontend

A library for building interfaces out of small, reusable components.

React Router

Frontend

Lets a React app have multiple pages without full reloads.

Used inRJS

REST APIs

Backend

The standard way a frontend and backend talk to each other over HTTP.

Used inMERN

Server Components

Frontend

React components that run on the server, sending less code to the browser.

Used inNJS

SQL

Data

The language for asking questions of relational databases.

Used inPYDA

Tailwind CSS

Frontend

Style pages quickly with small utility classes instead of custom CSS files.

Used inNJS

Vector Databases

Data

Store text as numbers so you can search by meaning, not just keywords.

Used inAI

Learning paths

How the courses connect

Not sure what to learn next? Follow a path — each step builds on the one before.

Interview preparation

Are you interview-ready?

A practical checklist to work through before you apply. Tick items as you go — your progress is saved in this browser.

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Your resume & profile

Your projects

Technical preparation

The day before

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Articles & career guides

In-depth technical articles, career guides and interview write-ups from our mentors.

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Events & workshops

Live sessions, webinars and community learning events — dates will be announced here.

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