Free Data & Tech Courses in Nigeria
Every Data & Tech course on Skillnaija is free, self-paced, and written for a Nigerian context. Each one ends with a hands-on project that is graded — pass it and you earn a certificate you can verify and share.
38 free courses
-
Data Analysis Foundations
Excel, SQL, Power BI, dashboards.
-
Frontend Web Development
HTML, CSS, JavaScript, React.
-
Coding Foundations
Learn to code and think like a programmer.
-
Data Centre Technician: Racks, Power, Cooling, Cabling and Remote Hands
Learn the job behind the cloud: how data centres keep running, and how to rack servers, handle fibre, follow tickets and procedures, and work safely in a Lagos data hall.
-
Web Development for Small Business Websites
Build and publish real websites Nigerian businesses will pay you to make.
-
Excel, Google Sheets & Business Dashboards
Turn messy shop records into clean dashboards that show profit at a glance.
-
Cybersecurity Foundations
Protect your money, your phone and your business — and open a door to a security career.
-
Cybersecurity Career Pathway
Break into cybersecurity from Nigeria — real roles, free training, a CV that lands jobs.
-
Digital Safety for Families & Students
Protect your family, your money and your peace online — the simple, practical way.
-
No-Code App Building with Bubble
Build and launch a real web app with Bubble — no code — and charge clients to build apps.
-
No-Code Website Building with Framer & Webflow
Design and ship beautiful, professional websites with Framer and Webflow — no code, paid in naira and dollars.
-
Internal Business Tools with Airtable & Softr
Build internal tools and portals for Nigerian businesses with zero code — and get paid for it.
-
Automation for WhatsApp, Email & Google Sheets
Make WhatsApp, email and Sheets run themselves — no code — and sell it as a service.
-
JavaScript for Beginners
Learn the language behind every interactive website — and the doorway to remote dev jobs.
-
TypeScript for Beginners
Type your JavaScript, catch bugs before they ship, and win better-paid remote dev jobs.
-
Full-Stack Web Development
Build and deploy a whole web app with your own hands: HTML, CSS and JavaScript, a Node and Express API, a real database, secure sign-in, an AI assistant used honestly, and a live link for your portfolio.
-
Next.js for Modern Websites
Build fast, modern websites with Next.js and deploy them free — the way real devs get hired.
-
Node.js & Express Basics
Build the backend brain of any app with Node and Express — and earn in dollars for it.
-
API Development for Beginners
Build the invisible engines that power apps and payments — and get paid to do it in naira and dollars.
-
Database Design for Beginners
Design databases that don't become a mess — the skill behind every app, dashboard and backend job.
-
Supabase for Real Projects
Ship real apps fast with Supabase — database, auth, storage and security in one free backend.
-
Firebase for Real Projects
Build and ship real apps fast with Firebase — auth, database, hosting, all from one place.
-
Git & GitHub for Beginners
Master the version control every dev job asks for — and build a portfolio that gets you hired.
-
QA Testing & Software Testing
Break software before users do — the friendliest, most remote-friendly door into a tech career.
-
Technical Writing
Write the docs companies pay for — a remote-friendly career you can start with just a laptop.
-
Cloud Computing Foundations
Understand the cloud from zero — the base for cloud, DevOps, and security careers that pay in dollars.
-
AWS Cloud Practitioner Prep
Pass the AWS Cloud Practitioner exam and open the door to remote cloud jobs paid in dollars.
-
DevOps Foundations
Ship code to production like real teams do — pipelines, Docker, and the DevOps mindset that pays.
-
Linux Command Line for Beginners
Live in the terminal — the one skill behind every dev, cloud, DevOps and security job.
-
Building SaaS Products from Nigeria
Build, price and launch a real SaaS product from Nigeria — that people pay you for monthly.
-
Python for Beginners
Learn to actually code — free, in a browser, on the phone you already have.
-
Mobile App Development with React Native & Expo: Build, Test and Publish a Real App from Nigeria
From a blank folder to an app on Google Play — React Native and Expo in 2026, built for the Tecno-and-2GB-of-data reality, with offline-first data, a real backend, device features, performance on cheap phones, store compliance, and the honest truth about earning from an app in Nigeria.
-
Data Science & Machine Learning with Python: From pandas to a Deployed Model
The next rung after Python and data analysis — clean real Nigerian data with pandas 3, explore it, train and honestly evaluate regression, classification, clustering and forecasting models with scikit-learn, handle the ethics and the NDPA, and deploy a working prediction app to a free cloud tier.
-
Excel for Work: From Blank Sheet to Reports People Trust
The Excel (and Google Sheets) that Nigerian offices actually run on: formulas, lookups, cleaning, pivot tables, charts, and the reports and templates that get you noticed.
-
SQL for Analysts: Ask a Database Anything
Write the SQL that answers real business questions, from your first SELECT to joins, aggregation, subqueries, window functions and queries you can hand to a manager with confidence.
-
Power BI: Dashboards Managers Actually Use
Build, model and publish Power BI reports the way analysts do at work: Power Query, a clean data model, DAX measures, visuals that answer questions, and sharing done right.
-
Computer & Microsoft Office Essentials
Start from zero: the computer, the keyboard, files and email, then Word, Excel, PowerPoint and the cloud tools every Nigerian office runs on.
-
WordPress & WooCommerce: Build Websites and Online Stores for Nigerian Businesses
From domain and hosting to a fast, secure WordPress site and a WooCommerce store taking naira payments by Paystack or Flutterwave, with shipping zones, legal pages, maintenance and the freelance business of building them.
Every course here is free
Create a free account to open the lessons. Each course ends with a graded project, and passing it issues a certificate you can verify and share.
Open the course catalog