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Information Technology 🏢 Full Time ⭐️ Verified

Senior Smart Contract Developer (Web3/Crypto)

Nexus Layer
San Francisco
Estimated Salary
USD 180.000 – USD 260.000
Live Update
1 Juli 2026
Deadline
1 Jul 2027

Job Description

Are you ready to build the future of decentralized finance?

Nexus Layer is seeking a visionary Senior Smart Contract Developer to join our elite engineering team in San Francisco. We are building the next generation of high-throughput, secure blockchain infrastructure. If you have a deep understanding of cryptography, distributed systems, and the Ethereum Virtual Machine (EVM), we want to hear from you.

In this role, you will take ownership of our core protocol development, ensuring security, scalability, and user experience for our global user base. You will work closely with our security auditors and product team to deploy innovative solutions that push the boundaries of what is possible on-chain.

Why Join Us?
  • Work on cutting-edge DeFi protocols with a competitive salary.
  • Competitive equity package and remote-first culture.
  • Health, dental, and vision insurance.
  • Unlimited PTO and learning budget.

Responsibilities

  • Design, develop, and audit secure smart contracts primarily in Solidity and Rust.
  • Optimize gas usage and improve transaction throughput for our blockchain protocols.
  • Collaborate with frontend engineers to integrate decentralized applications (dApps) with backend smart contracts.
  • Implement rigorous testing strategies, including unit tests and formal verification.
  • Maintain the highest security standards and adhere to best practices for blockchain security.
  • Participate in code reviews and mentor junior developers on Web3 development standards.

Qualifications

  • 5+ years of professional software engineering experience, with at least 3 years in blockchain development.
  • Deep proficiency in Solidity and Rust.
  • Experience with layer-1 or layer-2 scaling solutions (Arbitrum, Optimism, ZK-rollups).
  • Strong understanding of cryptographic principles and distributed systems.
  • Familiarity with front-end frameworks like React, Next.js, and libraries such as Ethers.js or Web3.js.
  • Track record of deploying audited smart contracts to a live mainnet.
  • Excellent communication skills and ability to work in a fast-paced, agile environment.

Required Skills

Solidity Rust Web3.js Ethereum Smart Contracts DeFi Go Rust Solidity Rust Web3.js Ethereum Smart Contracts DeFi Go

Ready to Take This Challenge?

Make sure your resume is ready. Submit your application now before the deadline.

Apply Now

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