roswelly

Solana Rust Engineer

Senior Solana & Rust Developer with a robust track record in designing and building secure smart contracts, high-performance blockchain systems and scalable decentralized systems, DeFi protocols, cross-chain infrastructure, AI integration within fintech, BaaS sectors. Specializes in Rust, Solidity, Python, Golang and implementing low-latency runtime.  Demonstrated leadership in optimizing secure smart contract and backend architectures for cost-effectiveness and enhanced performance, with a strong emphasis on security practices. Committed to leveraging advanced skills to support the development of secure, scalable systems that drive operational success and innovation. 





Experience: 5 years

Yearly salary: $112,000

Hourly rate: $55

Nationality: 🇪🇸 Spain

Residency: 🇪🇸 Spain


Experience

Solana Rust Developer
CryptoLottery
2025 - 2026
Built smart contract for game engine and built rust and typescript sdk for automation trading on platform. Managed project deployment optimizing workflow. Built prediction market smart contract and sdk
Solana Rust Developer
Fluz
2023 - 2025
Built trading automation platfomrs on Solana, Bnb. Built web3 casinon games on Solana, BNB, Ehtereum.Base, Avalanche Developed frontend for massive data-visualization of on-chain and off-chain data Handled smart contract building and management.
Solana Developer
Texagloe
2021 - 2023
Built NFT marketplace and Staking platforms and Frontend by React, Next.js, Web3js Made P2E games
Solidity Developer
CroXZ
2020 - 2021
Designed and deployed smart contracts for tokens and ICOs including token vesting, staking, refund vaults, and multi-signature wallets

Skills

backend
casino
front-end
javascript
python
rust
smart-contract
typescript
web3js
solana
english
chinese-mandarin
japanese
spanish