Siza-Buso Consulting · 6 hours ago
Smart Contract Engineer - On-Site/Hybrid
Los Angeles, California, United States
Full-time
Hybrid
Entry, Mid Level
3+ years expSiza-Buso Consulting is looking for a Smart Contract Developer to join their core engineering team. In this hands-on role, you'll design, develop, and deploy secure smart contracts for institutional-grade DeFi operations, requiring deep technical expertise in blockchain development and a strong security mindset.
Staffing & Recruiting
Responsibilities
Design, develop, and deploy secure smart contracts that power the protocol
Architect on-chain logic
Optimize gas efficiency
Ensure security best practices
Build the foundational infrastructure that enables institutional-grade DeFi operations
Qualification
Required
3+ years of experience developing and deploying production-ready smart contracts in Solidity
Proven track record of shipping secure, battle-tested contracts that handle significant value
Expert-level proficiency in Solidity and deep understanding of the EVM
Strong knowledge of smart contract security best practices, common vulnerabilities (reentrancy, front-running, access control issues, etc.), and mitigation strategies
Proficiency with development frameworks such as Foundry and Hardhat
Experience with testing frameworks and tools (Foundry, Hardhat, Echidna, Slither, etc.)
Familiarity with Web3 libraries (ethers.js, web3.js, viem) for contract interaction and testing
Understanding of gas optimization techniques and on-chain efficiency
Experience with upgrade patterns (proxy contracts, diamond pattern, etc.)
Maniacal attention to detail and excellent ability to receive and internalize feedback
Clear communicator able to work with both technical and non-technical teams
Strong problem-solving abilities and comfort navigating complex systems
Adaptable and entrepreneurial mindset suited to early-stage environments
Desire to contribute professionally and personally as a member of a dynamic, collaborative, high-performing team
Preferred
Experience with DeFi protocols (AMMs, lending protocols, yield aggregators, etc.) is highly preferred
Familiarity with cross-chain protocols and bridge architectures is a plus
Ideal for a junior & hungry developer with SC exp, ideally building vaults for digital assets
Knowledge of other blockchain ecosystems (L2s, alternative L1s) is a plus
Familiarity with Rust or other systems programming languages is beneficial but not required
Company
Siza-Buso Consulting
Welcome to Siza-Buso Consulting where talent meets opportunity! We're an emerging staffing and recruitment agency dedicated to connecting top-tier professionals with leading companies across diverse industries.
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase