06/26/2025 updated

PU
100 % available

Blockchain Developer specializing in Smart Contract Development with Solidity

USA Degree in Computer Engineering
USA Degree in Computer Engineering

Profile attachments

CV PabloUrrizaIricibar.pdf

HTMLJavaScript (Programming Language).NET FrameworkAuditingC Sharp (Programming Language)Cascading Style Sheets (CSS)Computer ProgrammingDebuggingProgramming ToolsWeb DevelopmentMicrosoft SQL ServersMoulderOracle DatabasesOrganization DevelopmentBlockchainSmart ContractsSecurity AnalysisTypeScriptVirtual MachinesWeb 2.0Web ApplicationsTestingData Storage TechnologiesEthereumSolidityWeb3.jsDatabase Administration
Smart Contract Development
Development of smart contracts using Solidity with focus on ERC specifications and proxy patterns for upgradeable contracts. Implementation of DeFi and GameFi projects.

Blockchain Technologies
Experience with Ethereum Virtual Machine (EVM), cross-chain protocols including LayerZero, Axelar, and Powerclear. Utilization of Chainlink services for functionalities like relayers and randomness generation.

Development Tools
Proficiency in Web3 development tools including Hardhat and Foundry for deployment and testing. Debugging through specialized tools such as Slither and Tenderly.

Web Development
Knowledge of Web2 technologies including C#, .NET, JavaScript, CSS, and HTML for building web applications and client solutions.

Database Management
Experience with SQL Server and Oracle databases for data storage and management.

Security Analysis
Capability in pre-audits of DeFi protocols, analyzing vulnerabilities, optimizing gas usage, and participating in Capture The Flag (CTF) security challenges.

TypeScript
Application of TypeScript in blockchain development projects for type-safe programming.
 

Languages

GermanBasic knowledgeEnglishFluentSpanishNative speaker

Project history

Blockchain Developer

AutoLayer
Smart contract development regarding LRT assets and restaking functionalities.

Blockchain Lead

Nexxyo Labs
Responsible for leading the Blockchain department, overseeing the planning, architecture, and implementation of blockchain-based solutions. Duties include task assignment, code review, and ensuring best practices in development and deployment processes.

Blockchain Developer

Nexxyo Labs
Development of smart contracts for diverse projects including DeFi and GameFi, with a focus on the implementation of Solidity standards and design patterns from OpenZeppelin, such as ERC specifications and Proxy patterns for upgradeable contracts. Experience working with cross-chain protocols including LayerZero, Axelar, and Powerclear, as well as utilizing Chainlink services for functionalities like relayers and randomness generation. Deployment and testing performed using Hardhat and Foundry, alongside code review and debugging through tools such as Slither and Tenderly.

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