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Information Technology 🏢 Full Time ⭐️ Verified

Senior Smart Contract Engineer (Web3)

Apex Decentralized Systems
San Francisco
Estimated Salary
USD 180.000 – USD 260.000
Live Update
12 Mei 2026
Deadline
12 Mei 2027

Job Description

Are you ready to architect the next generation of the internet? Apex Decentralized Systems is looking for a visionary Senior Smart Contract Engineer to join our elite team. We are at the forefront of building scalable, secure, and user-centric decentralized applications (dApps) and DeFi protocols.

In this pivotal role, you will design and implement complex smart contracts, optimize gas efficiency, and lead security audits for our growing ecosystem. You will work with a world-class team of engineers, designers, and researchers to push the boundaries of blockchain technology.

Why You’ll Love It:

  • Competitive compensation package including equity.
  • Flexible remote-first work environment.
  • Access to state-of-the-art development tools and infrastructure.

Responsibilities

  • Design, develop, and deploy secure smart contracts using Solidity and Rust.
  • Conduct thorough code reviews and security audits to identify vulnerabilities.
  • Optimize on-chain logic to minimize gas costs and maximize throughput.
  • Integrate Layer 2 solutions and cross-chain bridges to enhance scalability.
  • Collaborate closely with frontend teams to build intuitive Web3 user experiences.
  • Contribute to the open-source community and maintain comprehensive documentation.

Qualifications

  • Bachelor’s degree in Computer Science, Mathematics, or a related field; or equivalent professional experience.
  • 5+ years of full-stack software engineering experience, with at least 2 years specifically in Web3/Blockchain development.
  • Deep proficiency in Solidity and familiarity with Rust or Go.
  • Strong understanding of cryptographic principles, consensus mechanisms, and distributed systems.
  • Experience with testing frameworks like Hardhat, Foundry, or Truffle.

Required Skills

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

Ready to Take This Challenge?

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