You will get develop secure Solidity smart contracts for your Web3 project


Project details
You will get a secure and optimized smart contract written in Solidity for your Web3 project.
With hands-on experience in Ethereum, DeFi, and NFT development, I focus on writing clean, secure, and gas-efficient code that follows industry best practices.
What sets me apart is my attention to detail, clear communication, and security-first approach. I not only deliver functional smart contracts but also provide documentation, testing, and deployment guidance, making sure your project is ready for the real world.
The work I deliver is:
100% original and tailored to your needs
Secure and thoroughly tested
Optimized for gas efficiency
Ready to be deployed on Ethereum or any EVM-compatible blockchain
With hands-on experience in Ethereum, DeFi, and NFT development, I focus on writing clean, secure, and gas-efficient code that follows industry best practices.
What sets me apart is my attention to detail, clear communication, and security-first approach. I not only deliver functional smart contracts but also provide documentation, testing, and deployment guidance, making sure your project is ready for the real world.
The work I deliver is:
100% original and tailored to your needs
Secure and thoroughly tested
Optimized for gas efficiency
Ready to be deployed on Ethereum or any EVM-compatible blockchain
Programming Languages
JavaScript, Python, TypeScriptCoding Expertise
Performance Optimization, Security, W3C Markup Validation ServiceWhat's included
| Service Tiers |
Starter
$50
|
Standard
$150
|
Advanced
$750
|
|---|---|---|---|
| Delivery Time | 2 days | 5 days | 10 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | ||
Design Customization | - | - | |
Content Upload | - | - | |
Responsive Design | - | - | |
Source Code |
Frequently asked questions
About Oleflex
Solidity Developer | Smart Contracts | Web3 dApps
Montevideo, Uruguay - 12:31 am local time
🔹 What I do best
Design and develop smart contracts (ERC-20, ERC-721, ERC-1155).
Build DeFi protocols: staking, farming, liquidity pools, tokenomics.
Develop NFT projects: minting contracts, marketplaces, royalty systems.
Optimize gas usage and ensure security-first coding practices.
Integrate with Chainlink oracles, The Graph, and external APIs.
Use modern frameworks: Hardhat, Foundry, Remix, along with Ethers.js / Web3.js for dApp integration.
🔹 Why work with me?
I write clean, efficient, and well-tested code.
I stay up to date with the latest Ethereum & Layer 2 innovations.
I understand both the technical side and the business logic of Web3 projects.
Reliable communication and a focus on delivering results on time.
💡 Whether you need a smart contract from scratch, a DeFi/NFT system, or an audit and optimization of your existing code, I’m here to help you bring your Web3 idea to life.
Steps for completing your project
After purchasing the project, send requirements so Oleflex can start the project.
Delivery time starts when Oleflex receives requirements from you.
Oleflex works on your project following the steps below.
Revisions may occur after the delivery date.
Client provides requirements
type of contract (ERC-20, NFT, DeFi, DAO), blockchain, and features.
Project review & confirmation
I analyze your requirements, suggest improvements, and confirm scope.