Pre-recorded Videos
Live Sessions
Lagos Campus

Web3 & dApps Development (Solidity, Ethereum)

Master Web3 development by building decentralized applications (dApps) on Ethereum and other blockchain platforms using Solidity and modern Web3 tools.

Duration
5 Months
Level
Intermediate to Advanced
Job Placement
92%
Starting From
₦280,000

Course Highlights

Industry-relevant curriculum
Expert instructors from top companies
Hands-on projects and portfolio
Career support and job placement
Industry certifications included
Flexible payment options

Pricing by Format

In-Person (Lagos)₦650,000
5 Months
Live Online₦550,000
5 Months
Self-Paced₦280,000
200 Hours

Flexible Payment Plans

Full Payment:10% Discount
60% Initial + Balance:Pay 60% now, 40% spread over course duration
Monthly Installments:Equal payments + 1 extra month

Course Overview

Dive into the world of decentralized applications and Web3. Learn to build, test, and deploy smart contracts on Ethereum and other blockchain networks while creating full-stack dApps with modern Web3 frameworks.

Learning Objectives

Master Solidity smart contract development
Build and deploy dApps on Ethereum
Integrate Web3 with frontend applications
Understand DeFi, NFTs, and token economics

Tools & Technologies

SolidityHardhatFoundryOpenZeppelinEthers.jsWeb3.jsIPFSThe GraphMetaMaskNext.jsReact

Course Details

Duration:5 Months
Level:Intermediate to Advanced
Format:
Pre-recorded
Live Online
In-person (Lagos)
Job Placement:92%

Prerequisites

JavaScript programming experience. Understanding of basic blockchain concepts helpful.

Certification

Spraditech Web3 & dApps Development Professional Certificate

Detailed Curriculum

Module 1: Blockchain and Web3 Fundamentals

4 Weeks
Blockchain Architecture & DLT: Hashing, Cryptography, Merkle Trees, Consensus (PoS), and blockchain transaction anatomy
Ethereum Virtual Machine (EVM): Understanding Gas, Ether, Accounts (EOA vs. Contract), Transaction Lifecycle, and Node roles
Web3 Stack & Tools: Full stack overview (Contract → Ethers.js → UI), setting up MetaMask, and interacting with a public Testnet
Token Standards & Tokenomics: Deep dive into ERC-20 and ERC-721 standards, and basic token supply and distribution principles

Module 2: Solidity Smart Contract Development & Tools

6 Weeks
Core Solidity Language: Data types, state variables, functions (visibility and modifiers), structs, arrays, and mappings
Contract Interaction & Inheritance: Interfaces, abstract contracts, libraries, and contract-to-contract calls
Using OpenZeppelin Contracts: Integrating standardized libraries for security, including Ownable and AccessControl
Hardhat & Testing with JavaScript: Setting up Hardhat projects, deployment scripts, and unit testing with Mocha and Chai
Advanced Tooling with Foundry: Introduction to Forge & Anvil, writing tests in Solidity, and comparing Hardhat vs. Foundry workflows

Module 3: Smart Contract Security and Upgradability

5 Weeks
Common Security Vulnerabilities: Reentrancy (The DAO), Integer Overflow/Underflow, DoS, and Front-Running
Security Best Practices: Checks-Effects-Interactions pattern, gas optimization, and using tools like Slither
Contract Upgradability (Proxy Patterns): Implementing UUPS proxies using OpenZeppelin Upgrades
Managing Ether & Transactions: Secure Ether handling (call vs. transfer/send) and the Withdrawal Pattern

Module 4: Frontend Development and Web3 Integration

5 Weeks
Frontend Framework Setup: Setting up React or Next.js for dApp development
Ethers.js / Web3.js Deep Dive: Providers, signers, and contract interaction using ABI and address
Wallet & UI Integration: Connecting MetaMask using Wagmi or Web3Modal, handling account and network changes
Transaction Management: Calling read-only functions, sending transactions, gas estimation, confirmations, and error handling
IPFS and Decentralized Storage: Using IPFS for NFT metadata and comparing it with centralized storage

Module 5: Advanced Web3 Applications and Layer 2

5 Weeks
Layer 2 Scaling Solutions: Understanding rollups (Optimistic vs. ZK) and deploying to L2 networks (Arbitrum, Optimism)
Cross-Chain Interoperability: Messaging protocols (Chainlink CCIP, LayerZero) and sending data between chains
Decentralized Finance (DeFi) Principles: Implementing AMM logic like Uniswap and understanding liquidity pools
DAO Governance and Voting: Building DAO voting contracts with token-based proposals and execution
Oracles and Real-World Data: The Oracle Problem and integrating Chainlink Price Feeds for secure data

Module 6: Data Indexing, Analytics, and Final Project

5 Weeks
Data Indexing with The Graph: Writing a Subgraph to process and index smart contract events
Querying Blockchain Data: Deploying and querying Subgraphs using GraphQL in the frontend
NFT Marketplace & Minting Logic: Building an NFT system integrating ERC-721 contracts, IPFS, and a minting UI
Final Project Development: Designing and deploying a complete DApp (DEX, staking platform, or DAO)
Career Paths & Portfolio: Web3 developer roles, portfolio preparation, and technical interview readiness

Course Categories

Web & Mobile Development4
Data & AI4
Software Engineering2
Cloud & DevOps1
Cybersecurity2
Digital Literacy2

Need Guidance?

Talk to our course advisors

Career Opportunities

Graduates from this program typically pursue these high-demand roles:

Web3 Developer

Smart Contract Engineer

Blockchain Developer

dApp Architect

Average Salary Range

₦4,000,000 - ₦8,500,000 annually

Based on our graduate placement data in Nigeria and internationally

Ready to Start Your Journey?

Join thousands of successful graduates who have transformed their careers with Spraditech Digital Solutions.

💳 Flexible payment plans available • 🎓 Job placement guarantee • 📞 Free career counseling

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