Solidity Jobs in United States

Blockchain Developer – CZR Exchange (U.S.)

📍 United States (On-site / Hybrid Preferred)

🏢 CZR Exchange

🚀 Full-Time | Engineering

CZR Exchange is building a next-generation digital asset platform designed for speed, security, and regulatory compliance.

As part of our U.S. expansion, we are assembling anelite in-house engineering teamto develop core blockchain infrastructure, trading systems, and next-gen financial products aligned with U.S. regulatory standards, including engagement with theCommodity Futures Trading Commission.

We’re hiringBlockchain Developersto join our U.S. team and help architect and build the core infrastructure powering CZR Exchange.

This is a rare opportunity to work on:

• Exchange architecture
• Custody systems
• Smart contracts
• On-chain/off-chain integrations
• High-performance trading infrastructure

You’ll be buildingmission-critical systems from the ground upin a fast-moving, well-funded environment.

• Design and build blockchain-based systems and infrastructure
• Develop and deploy smart contracts (EVM and/or other ecosystems)
• Integrate on-chain functionality with backend trading systems
• Build secure wallet, custody, and transaction pipelines

• Work on high-performance order matching and execution systems
• Integrate blockchain nodes and RPC infrastructure
• Optimize latency, throughput, and system reliability

• Implement best practices in smart contract and wallet security
• Collaborate with compliance teams to align with U.S. regulatory frameworks
• Ensure systems meet institutional-grade standards

• Work closely with product, risk, and compliance teams
• Contribute to system architecture and technical strategy
• Help build and scale CZR’s in-house engineering team

• 3+ years of blockchain development experience
• Strong proficiency in one or more:
• Solidity / Rust / Go / Python / TypeScript
• Experience working with:
• Ethereum / EVM-compatible chains
• Smart contracts and Web3 integrations
• Understanding of blockchain fundamentals:
• Consensus mechanisms
• Cryptography
• Wallets and transactions

• Experience building exchange or trading systems
• Familiarity with custody solutions and key management (MPC, HSMs)
• Experience with high-frequency or low-latency systems
• Contributions to open-source blockchain projects

• Build a U.S.-regulated crypto exchange from the ground up
• Work on cutting-edge blockchain and trading infrastructure
• Competitive salary + equity + token incentives
• High-impact role in a fast-scaling global company