O

Senior Blockchain Engineer (Smart Contract Systems & Lifecycle Security)

ondo finance • United States
Remote
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Design, deploy, and secure smart contract systems for Ondo’s Real World Asset (RWA) tokenization across multiple blockchain ecosystems. Own security, tooling, and automation for contract lifecycles while collaborating with product, legal, and operations teams. Requires 5+ years of software engineering, 3+ years in blockchain/DeFi, and expertise in Solidity with a focus on system-level architecture.

Key Responsibilities
Design and architect smart contract systems for RWA tokenization across multiple blockchain ecosystems
Ensure security, operability, and maintainability of smart contracts throughout their lifecycle
Develop tooling and automation for non-technical teams to manage on-chain state safely
Collaborate with product, legal, compliance, web, and operations teams for cross-functional integration
Provide technical leadership and guide blockchain project decisions aligned with long-term goals
Technical Skills Required
Solidity Blockchain System Design Smart Contract Security
Benefits & Perks
Competitive compensation (salary, future token rights, equity)
Full benefits (medical, vision, dental)
Flexible vacation policy (PTO)
Remote-first team with global colleagues
Nice to Have
Exposure to non-EVM smart contract languages (e.g., Solana)
Python or TypeScript experience for tooling and automation
Experience with DeFi protocols live on multiple chains

Job Description

About The Role

As a Senior Blockchain Engineer at Ondo, you will own the design of our smart contract systems—not just the contracts themselves, but how they're deployed, secured, monitored, and managed across their entire lifetime, and how they connect to the people and products that depend on them.

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