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Alex Rivers
Lead Smart Contract Engineer
Berlin, GermanyAvailable — 30h/week$120 / hour4.9 (32 reviews)
About
Senior blockchain engineer specializing in secure smart contract development and cross-chain protocol design. 6+ years building in Web3, with a focus on DeFi and infrastructure tooling.
Skills & Expertise
Smart ContractsRustSolidityReactTypeScript
Portfolio Highlights
DeFi Yield Aggregator
Built a cross-chain yield optimization protocol handling $2M+ TVL.
SolidityDeFi
NFT Marketplace Backend
Architected the indexing and metadata pipeline for a 10K-item collection launch.
RustIPFS
47
Projects Completed
12
Repeat Clients
98%
On-time Delivery
< 2h
Response Time