Ukiyo.Network · Remote (Global) · Full-time About Ukiyo.Network Ukiyo.Network (https://ukiyo.network) is building infrastructure for decentralized systems and autonomous applications. We are seeking a Senior Smart Contract Engineer with proven experience launching tokens to lead the design, development, and security of our on-chain components. Role Overview As a Senior Smart Contract Engineer, you will own the architecture and full lifecycle of smart contract development — from design and implementation to testing, auditing, and mainnet deployment. You will lead token launch efforts end-to-end, including contract design, distribution mechanisms, vesting, liquidity, and post-launch security. You will also mentor junior engineers, set technical standards, and collaborate closely with protocol, backend, and frontend teams. Key Responsibilities -Architect and deploy secure, gas-efficient, and upgradeable smart contracts on EVM-compatible chains using Solidity -Lead token launch contracts end-to-end: token creation, distribution, vesting, liquidity mechanisms, and post-launch security -Establish and enforce smart contract development standards, review processes, and security best practices -Build comprehensive test suites and lead internal and external audit preparation -Integrate contracts with backend services and developer tooling -Mentor junior engineers and provide technical guidance across teams -Collaborate with cross-functional teams on protocol design and contract interfaces -Stay current with emerging standards, security threats, and ecosystem developments Requirements -5+ years of professional smart contract development experience -Proven experience launching tokens (ERC-20, ERC-721, or similar) from concept to mainnet deployment -Expert-level proficiency in Solidity and deep familiarity with EVM internals -Extensive experience with development frameworks such as Hardhat, Foundry, or Truffle -Strong understanding of security best practices (reentrancy, access control, upgrade patterns) and audit processes -Comfort with Web3 libraries (ethers.js, viem) and Node.js or Python tooling -Demonstrated ability to lead technical projects and mentor engineers -Remote-first, self-driven builder mindset with excellent written communication Nice to Have -Experience with tokenomics design or launchpad integrations -Experience with formal verification or zero-knowledge contracts -Contributions to open-source smart contract projects -Familiarity with decentralized oracle systems or cross-chain protocols Location & Type -Remote (Global) -Full-time How to Apply Send your resume, GitHub profile, and a brief note about your token launch experience to [email address] with the subject line “Senior Smart Contract Engineer – Ukiyo.Network”. You can also learn more about us at https://ukiyo.network.
Dmytro Ryzhov
Ukiyo Network
Dmytro Ryzhov
Ukiyo Network
