Senior Solidity Developer

{
  "content_hash": "82f76898a6afef0d9917518564729d3dc66158fd1f8ccf32622564fc5a342c25",
  "source_hash": "aca8a6d682753b1c5cc17f2367cfa3636f89cb447d0fbe5f8ac0a1ca9aed4dc1",
  "last_changed_at": "2026-05-30T05:53:56.107Z",
  "active_status": "active"
}

{
  "language": "en",
  "location": {
    "raw": "Hong Kong, Hong Kong, Hong Kong",
    "city": "Hong Kong",
    "region": "Hong Kong",
    "country": "Hong Kong",
    "is_remote": false,
    "confidence": 0.8
  },
  "salary_max": null,
  "salary_min": null,
  "inferred_at": "2026-06-06T10:16:32.901Z",
  "launch_scope": {
    "reason": "bamboohr_production_catalog",
    "included": true,
    "location": {
      "raw": "Hong Kong, Hong Kong, Hong Kong",
      "city": "Hong Kong",
      "region": "Hong Kong",
      "country": "Hong Kong",
      "is_remote": false,
      "confidence": 0.8
    },
    "countries": [
      "Hong Kong"
    ]
  },
  "remote_policy": null,
  "salary_period": null,
  "workplace_type": null,
  "salary_currency": null
}

{}

{
  "list_job": {
    "id": "48",
    "isRemote": null,
    "location": {
      "city": null,
      "state": null
    },
    "atsLocation": {
      "city": "Hong Kong",
      "state": null,
      "country": "Hong Kong",
      "province": "Hong Kong"
    },
    "departmentId": "18560",
    "locationType": "1",
    "jobOpeningName": "Senior Solidity Developer",
    "departmentLabel": "Technical",
    "employmentStatusLabel": "Full-Time"
  },
  "detail_errors": [],
  "detail_job_opening": {
    "location": {
      "city": null,
      "state": null,
      "postalCode": null,
      "addressCountry": null
    },
    "datePosted": "2025-09-10",
    "atsLocation": {
      "city": "Hong Kong",
      "state": "Hong Kong",
      "country": "Hong Kong",
      "countryId": "97"
    },
    "description": "<p><span style=\"font-weight: bold\"><span style=\"font-size: 24pt\">Senior Solidity Developer</span><br><br></span></p>\n<p><span style=\"font-weight: bold\">About MANTRA<br><br></span></p>\n<p>MANTRA has disrupted the status quo since 2020. As pioneers in the Web3</p>\n<p>revolution, we've spent years building game changing decentralized protocols</p>\n<p>focused on empowering communities and democratizing finance.<br><br></p>\n<p>Our journey began by fuelling grassroots DeFi activism. But we recognized the need</p>\n<p>to scale impact, bridging the divide between permissionless protocols and</p>\n<p>regulated systems. So we transformed, developing a first of its kind regulated DEX</p>\n<p>that's rewiring finance on a sovereign blockchain built from the ground up.<br><br></p>\n<p>Now as this industry matures, MANTRA aims to connect TradFi with a new,</p>\n<p>blockchain native future. We're rebuilding finance through relentless product</p>\n<p>innovation.<br><br></p>\n<p><span style=\"font-weight: bold\">The Role<br><br></span></p>\n<p>We are looking for a highly skilled Senior Solidity Developer to join our growing team</p>\n<p>and take a leading role in building the next generation of decentralized applications</p>\n<p>and blockchain infrastructure. In this role, you will drive the design, development,</p>\n<p>and deployment of secure, scalable, and innovative smart contracts that power our</p>\n<p>ecosystem.<br><br></p>\n<p>As a senior member of the team, you will be hands-on in architecting complex</p>\n<p>blockchain solutions, setting technical direction, and ensuring best practices for</p>\n<p>security and performance. You’ll collaborate closely with product managers,</p>\n<p>engineers, and stakeholders to transform ambitious ideas into production-ready</p>\n<p>code that can support millions of users.<br><br></p>\n<p><span style=\"font-weight: bold\">Key Responsibilities</span></p>\n<p><span style=\"font-weight: bold\"><br></span>- Design, develop, and deploy production-ready smart contracts using Solidity</p>\n<p>- Conduct thorough security audits and implement best practices for smart contract security</p>\n<p><span>- </span>Optimize gas efficiency and contract performance</p>\n<p><span>- I</span>ntegrate smart contracts with frontend applications and oracles etc</p>\n<p><span>- </span>Lead code reviews and establish development standards</p>\n<p><span>- </span>Mentor junior developers and provide technical guidance</p>\n<p><span>- </span>Collaborate with cross-functional teams including product managers and designers</p>\n<p><span>- </span>Stay current with evolving blockchain technologies and DeFi protocols<br><br></p>\n<p><span style=\"font-weight: bold\">What We’re Looking For<br><br></span></p>\n<p><span>- </span>5+ years of professional Solidity development experience</p>\n<p><span>- </span>Deep understanding of EVM internals and fundamentals</p>\n<p><span>- </span>Extensive experience with smart contract frameworks (Hardhat, Truffle, Foundry)</p>\n<p><span>- </span>Proficiency in Web3.js, Ethers.js, and blockchain integration</p>\n<p><span>- </span>Strong knowledge of DeFi protocols, tokenomics, and governance mechanisms</p>\n<p><span>- </span>Experience with smart contract security practices and common vulnerabilities</p>\n<p><span>- </span>Familiarity with testing frameworks and automated testing strategies</p>\n<p><span>- </span>Knowledge of Layer 2 solutions (Polygon, Arbitrum, Optimism)</p>\n<p><span>- </span>Experience with version control (Git) and CI/CD pipelines</p>",
    "compensation": null,
    "departmentId": "18560",
    "locationType": "1",
    "seekPromoted": false,
    "jobCategoryId": null,
    "jobOpeningName": "Senior Solidity Developer",
    "departmentLabel": "Technical",
    "jobOpeningStatus": "Open",
    "minimumExperience": "Experienced",
    "jobOpeningShareUrl": "https://mantra.bamboohr.com/careers/48",
    "employmentStatusLabel": "Full-Time"
  }
}