0xtan1319

Solana Smart Contract Engineer | Rust · Anchor · De Fi · Nft Infrastructure

Solana-native blockchain engineer with 8 years of experience building high-performance smart contracts, DeFi protocols, and NFT infrastructure using Rust, Anchor, and the Solana Program Library (SPL). Deep expertise in Program Derived Addresses (PDAs), Cross-Program Invocations (CPIs), and SPL Token interactions.

Built and deployed production-grade Solana programs including AMM integrations (Raydium CP-Swap), pump.fun fork contracts, sniper/volume/arbitrage trading bots, and multi-pool NFT staking systems with rarity-based reward distribution. Engineered marketplace infrastructure handling high-volume NFT minting, trading, and staking workflows using Anchor & Rust.

On the EVM side, deployed 24+ production Solidity contracts — ERC-20 token systems, multi-sig governance, cliff-vesting schedules, and yield-optimized staking pools — achieving 40% gas reduction via EVM opcode-level improvements and Foundry benchmarks.

Available for remote Solana/Rust senior roles in DeFi, GameFi, or NFT infrastructure. Based in Italy (EU timezone). Open to full-time or contract.


Experience: 8 years

Yearly salary: $120,000

Hourly rate: $75

Nationality: 🇨🇳 China

Residency: 🇮🇹 Italy

Experience

Solana Smart Contract Engineer
HOGE
2023 - 2025
Built production Solana programs using Rust and Anchor: pump.fun fork smart contract, Raydium CP-Swap AMM integration, and a community-driven DeFi ecosystem featuring yield farming, staking, and governance. Engineered a suite of high-performance Solana trading bots — sniper, volume, bundler, arbitrage, and copy-trading — improving trading efficiency and on-chain engagement. Developed React.js + Web3.js frontend for seamless PumpFun smart contract interaction. Collaborated with security specialists on smart contract audits and vulnerability assessments.
Solana Blockchain Developer — NFT & GameFi
Lympo
2020 - 2023
Built Solana NFT marketplace infrastructure using Anchor & Rust with PDAs for escrow management and CPI calls for SPL Token interactions — supporting high-volume minting, trading, and staking across Lympo's sports collectible economy. Developed Anchor-based smart contracts for GameFi P2E mechanics, enabling players to utilize digital sports collectibles in real-value tournaments. Engineered the SPORT token GameFi reward pipeline with dynamic multi-pool NFT staking contracts distributing rewards by rarity tier and lock-up duration — supporting Lympo's LMT-to-Play-to-Earn currency transition.
EVM Smart Contract & Full-Stack Web3 Developer
Visor Finance
2018 - 2020
Designed and deployed 24+ production EVM smart contracts: ERC-20 token systems, cliff-vesting schedules, multi-sig governance wallets, and Solidity-based yield-optimized staking pools. Achieved 40% contract gas reduction via EVM opcode-level improvements and storage slot packing (Foundry benchmarks). Migrated legacy Angular frontends to Next.js + TypeScript with real-time blockchain data via Web3.js/Ethers.js and SWR. Engineered Chainlink Automation for low-latency (<2s) contract triggers and price oracle updates; integrated Tenderly API for transaction simulation.

Skills

backend
defi
english
ethereum
ethereumjs
front-end
full-stack
nextjs
nft
react
remote
rust
smart-contract
solana
solidity
web3js
english
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