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About the Role
We’re looking for a Smart Contract Engineer to help build the on-chain and off-chain infrastructure behind Open USD. You’ll work across smart contracts, protocol design, blockchain infrastructure, indexing, monitoring, and the systems that turn on-chain activity into reliable products. You’ll have significant ownership over architecture, implementation, security, and the technical foundations of Open Standard.
Responsibilities
- Design and build smart contracts supporting OUSD across multiple blockchains.
- Build infrastructure around minting, burning, transfers, rewards, and other protocol functionality.
- Design indexing and event-driven systems that reliably turn on-chain activity into usable off-chain state.
- Build monitoring and alerting systems for critical protocol events and anomalous behavior.
- Design systems that can handle reorgs, duplicate events, delayed events, and other realities of blockchain infrastructure.
- Work across on-chain and off-chain systems rather than treating smart contracts in isolation.
- Own projects from technical design through deployment, monitoring, and iteration.
- Work closely with the founding team and external partners on protocol integrations.
- Contribute to security reviews, testing, and overall protocol architecture.
Requirements
- 5+ years of software engineering experience, with meaningful experience building blockchain systems.
- Strong experience with Solidity and EVM-based smart contracts, or equivalent experience on other major chains.
- Strong understanding of blockchain architecture, transaction lifecycle, cryptographic principles, and smart contract security.
- Experience building and operating production smart contracts.
- Experience with indexing blockchain data and building off-chain systems around on-chain protocols.
- Strong understanding of event-driven architecture and event sourcing, including how to reconstruct and reconcile state from blockchain events.
- Comfortable reasoning about reorgs, idempotency, eventual consistency, retries, and failure modes across on-chain and off-chain systems.
- Strong ownership and the ability to independently drive technical decisions.
- Able to move quickly while maintaining a very high bar for correctness and security.
- Excellent written and verbal communication.
- Experience with stablecoins, DeFi, payments, trading, or financial infrastructure.
- Experience across multiple chains, especially Ethereum/EVM and Solana.
- Experience building indexers, data pipelines, or blockchain data infrastructure.
- Experience with protocol monitoring, reconciliation, and production incident response.
- Experience building developer-facing APIs or infrastructure.
- Experience working on highly secure or financially sensitive systems.
Skills
- Solidity
- EVM
- Blockchain architecture
- Transaction lifecycle
- Cryptographic principles
- Smart contract security
- Indexing blockchain data
- Off-chain systems
- Event-driven architecture
- Event sourcing
- Reorgs
- Idempotency
- Eventual consistency
- Retries
- Failure modes
- Stablecoins
- DeFi
- Payments
- Trading
- Financial infrastructure
- Ethereum
- Solana
- Indexers
- Data pipelines
- Blockchain data infrastructure
- Protocol monitoring
- Reconciliation
- Production incident response
- Developer-facing APIs
- Secure systems
- Financially sensitive systems
Experience Level
- 5+ years of software engineering experience
About the Company
- Open Standard is building internet-native money.
- We believe that much like data moved to the cloud, dollars will move on-chain.
- As this transition occurs, stablecoins will become core financial infrastructure.
- To do that, we are building Open USD (https://ousd.xyz/).
- OUSD is live across Base, Ethereum, Solana, and Tempo, with Coinbase, Mastercard, Shopify, Stripe, and Visa as founding partners.
- We are still very early, and the engineers joining now will shape both the product and the company.