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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Ghaf Group | Remote |
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Binance | Taipei, Taiwan |
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Binance | Taipei, Taiwan |
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Binance | Taipei, Taiwan |
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| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Crossmint | United States | $102k - $120k | |||
Crossmint | United States | $105k - $120k | |||
Crossmint | United States | $140k - $144k | |||
Binance | Hong Kong, Hong Kong |
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Binance | Remote |
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Binance | Jakarta, Indonesia |
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Ethereum Foundation | New York, NY, United States |
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Token Metrics Inc. | London, United Kingdom | $28k - $38k | |||
Coinbase | London, United Kingdom | $81k - $85k | |||
Blackrock | Bellevue, WA, United States | $81k - $101k | |||
Tether | ZH ZĂĽrich CH | $115k - $138k |
About the Role
We are looking for a highly skilled Senior Smart Contract Developer with a strong background in Solidity, TypeScript, and backend engineering. The ideal candidate will be responsible for designing, building, auditing, and maintaining on-chain logic while also contributing to off-chain services, APIs, and database integrations. This position requires strong communication skills in English, attention to detail, and a passion for debugging and problem solving.
Responsibilities
Responsibilities
- Architect, develop, and maintain smart contracts primarily using Solidity
- Design and implement secure and gas-efficient on-chain logic aligned with business and protocol requirements
- Integrate blockchain components with backend services written primarily in TypeScript
- Build, document, and maintain REST and/or GraphQL APIs
- Work with databases (SQL/NoSQL), modeling data and ensuring performance and reliability
- Participate in technical planning, code reviews, audits, and security assessments
- Own debugging and testing end-to-end — on-chain, off-chain, tooling and integrations
- Collaborate closely with founders, engineers, auditors, and product stakeholders
- Maintain accurate and clear English-based technical documentation and communication
- Research and propose improvements, best practices, and new capabilities across the stack
Requirements
- 5+ years of professional software engineering experience
- 3+ years of Solidity development experience
- Strong knowledge of Ethereum ecosystem, ERC standards, wallets, gas optimization, and on-chain patterns
- Proficiency with TypeScript, Node.js and modern backend architectures
- Experience building and consuming APIs (REST, WebSockets, GraphQL)
- Solid understanding of data modeling and databases (PostgreSQL, MySQL, MongoDB, Redis or similar)
- Strong testing mindset (Hardhat, Foundry, Jest or similar)
- Excellent debugging skills and passion for deep problem investigation
- Fluent or near-native English communication skills, written and spoken
- Ability to work independently with strong accountability and ownership
- Familiarity with security considerations: reentrancy, flash loans, oracle risks, underflows/overflows, access control, upgradeability, etc.
Nice to Have
- Experience with auditing smart contracts
- Familiarity with Layer 2 and cross-chain patterns
- DevOps familiarity (Docker, CI/CD pipelines, infrastructure as code)
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What does a blockchain developer do?
A blockchain developer is a software developer who specializes in the development of applications that make use of blockchain technology
Some of the responsibilities of a blockchain developer may include:
- Designing and implementing smart contracts.
- Creating and maintaining the infrastructure that supports the blockchain network, and developing user-facing applications that make use of the blockchain.
- Additionally, a blockchain developer may also be responsible for researching and staying up-to-date with the latest developments in blockchain technology, in order to ensure that their applications are secure and efficient.