Blockchain Developer Roadmap

Build secure smart contracts and decentralized applications from the ground up.

A blockchain development path that goes from how distributed ledgers work to writing, testing and securing smart contracts and full dApps. Security is built in at every stage, reflecting how NUEXUS audits and ships blockchain work for clients.

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Duration: 6 to 10 months
Level: Beginner to job-ready
Stages: 6
Field: Blockchain

By the end

What you will be able to do

Understand how blockchains and consensus work

Write, test and deploy smart contracts

Build full decentralized applications

Apply smart-contract security best practices

The roadmap

Your step-by-step path

Follow the stages in order. Each one builds on the last, from fundamentals to job-ready.

01
Blockchain Foundations
Understand the technology before you build on it.
- How blockchains work
- Consensus mechanisms
- Wallets, keys and transactions
- Major platforms overview
02
Programming & Solidity
Learn the language of smart contracts.
- Programming fundamentals
- Solidity basics
- Contract structure
- Development environments
03
Smart Contracts
Build the logic that runs on-chain.
- Tokens and standards (ERC-20/721)
- Contract patterns
- Testing frameworks
- Deployment to testnets
04
dApp Development
Connect contracts to real user-facing apps.
- Web3 libraries
- Front-end integration
- Wallet connections
- Reading and writing on-chain
05
Smart-Contract Security
The difference between a project and an exploit.
- Common vulnerabilities
- Reentrancy and overflow
- Auditing basics
- Secure development practices
06
Job-Ready: Blockchain Developer
Ship a secure, tested project end to end.
- End-to-end dApp project
- Gas and optimization
- Audit-ready code
- Portfolio and case studies
Certification checkpoint NUEXUS Blockchain Developer (Verified)