blockchaindev01

Web3 Developer

Currently seeking a team passionate about Web3, whether in DeFi, NFTs, or RWAs, for further discussions. 
Personal Technical Stack:  
**Primary Development Languages:** Java/Rust/Solidity  

**Web3 Development Frameworks & Tools:**  
- **Interaction:** Ethers.JS (Primary) / Web3.JS  
- **Web3 Frontend** (Focused on blockchain interaction, UI layout/styling primarily using component libraries): ReactJS / Web3UIKit / Ant Design / Wagmi / HTML / JS / TS / CSS / AJAX  
- **Smart Contract Development & Deployment:** Solidity / Rust / Hardhat (including Hardhat Ignition, Hardhat Truffle, etc.) / Ganache  
- **Contract Audit Tool:** Slither  
- **Database:** MySQL  
- **Version Control:** Git  
- **Personal Blog:** [codermaybe.github.io](https://codermaybe.github.io)  

**Blockchain Expertise:**  
1. Familiar with **ERC-20/ERC-721/ERC-777/ERC-1155** concepts, with hands-on deployment experience. Capable of independently deploying and launching projects (primarily on Ethereum testnets).  
2. Proficient in **OpenZeppelin’s security contract library**, with practical experience in reading and utilizing its source code. Knowledgeable about popular projects like **Uniswap/USDC** (USDC analysis completed, details available on blog). Understands consensus mechanisms such as **PoW/PoS/PoH**.  
3. Knowledgeable in **DeFi/GameFi/DApp** (familiar with top projects on DappRadar). Implemented a simple liquidity pool for ERC-20 token swaps; currently refining a Uniswap-like implementation.  
4. Understands implementation approaches for **Uniswap/Layer2/IPFS**, with exposure to concepts like **RWA, AMM, and perpetual contracts**.  

**Computer Science Skills:**  
- **English:** CET-6, capable of fluently reading and understanding technical documentation in English.  
- **Computer Fundamentals:**  
  - Basic understanding of **CPU pipelining, memory access, decoding, write-back stages**, number system conversions, signed/unsigned arithmetic, overflow, etc.  
  - Knowledge of **assembly, machine instruction implementation, and compilation processes**.  
  - Familiar with **computer memory hierarchy**.  
- **Computer Networks:**  
  - Proficient in **OSI 7-layer model & TCP/IP model**, with practical experience in **TCP, HTTP, Socket programming** (visible in projects).  
  - Hands-on experience with networking devices (routers, switches, firewalls, AC+AP setups).


Experience: 1 year

Yearly salary: $0

Hourly rate: $0

Nationality: 🇷🇸 Serbia

Residency: 🇨🇳 China


Experience

Network Engineer
Shanghai UTT Technologies Co., Ltd.
2023 - 2023
Handled 20+ enterprise network issues daily, serving organizations with 20-500 employees, independently completed router selection, configuration, and VPN (IPSec/L2TP/PPTP) deployment, achieving cross-platform and cross-vendor device interoperability. Proficient in configuring enterprise-grade switches, supporting high-traffic data interaction, with debugging and troubleshooting capabilities for mainstream network devices such as Huawei, Sangfor, and Ruijie. Resolved multiple firewall configuration issues, improving enterprise network security and stability.
Network Engineer
Songfa Commercial Building, Shantou City.
2023 - 2025
Led network architecture design and implementation, familiar with soft router systems such as Panabit, iKuai, GaoKe, ROS, and OpenWrt, with extensive practical experience. Completed network cabling planning and equipment selection, using the iKuai soft router + Huawei S5700-24TP-SI-AC solution, configured ACL, VLAN, IPSec VPN, behavior management, and DPI detection and traffic distribution, supporting nearly 300 people online simultaneously in 200 rooms, with stable network operation for nearly two years. Responsible for daily network maintenance and optimization, ensuring a smooth experience in high-concurrency scenarios

Skills

solidity
english