| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
moomoo | Shenzhen, China | $77k - $90k | |||
moomoo | Shenzhen, China | $77k - $90k | |||
Devsinc | Islamabad, Pakistan | $87k - $87k | |||
solflare | Serbia | $90k - $100k | |||
| Learn Job-ready Solidity & Rust skills, in your schedule with 1-on-1 mentor support, or get your money back. ISO 9001 Certified | 400+ students | | by Metana Learn more | |||
Land | Remote | $36k - $90k | |||
Gelato | Remote | $133k - $135k | |||
Belmont Lavan Ltd | United States | $122k - $150k | |||
Tether | Madrid, Spain | $115k - $138k | |||
Nexus | Mexico City, Mexico | $84k - $117k | |||
Nexus | Buenos Aires, Argentina | $84k - $117k | |||
Nexus | Mexico City, Mexico | $157k - $175k | |||
Nexus | Buenos Aires, Argentina | $157k - $175k | |||
Keyrock | London, United Kingdom | $85k - $102k | |||
Bitgo | Remote | $126k - $132k | |||
Belmont Lavan | United States | $122k - $150k |
- Develop and maintain core custodial wallet modules including account management, deposit, withdrawal, sweeping, signing, and transaction broadcasting.
- Integrate multiple blockchain protocols (BTC, ETH, Solana, Tron, Cosmos, etc.) through RPC, SDKs, or in-house solutions to ensure stable and high-availability operations.
- Participate in the architecture and modular design of the wallet system to enhance scalability, reliability, and performance.
- Implement automated monitoring, alerting, and logging systems for full traceability of asset flows.
- Write high-quality, testable code; participate in code reviews and CI/CD processes.
- Collaborate cross-functionally with frontend, DevOps, security, and risk teams to ensure overall system performance and security.
- Bachelor’s degree or above in Computer Science, Information Security, or related fields.
- 3+ years of backend development experience, with at least 1 year in blockchain wallet or node integration.
- Proficiency in one or more backend languages (Node.js, Golang, Java, Rust, Python).
- Solid understanding of blockchain architecture, transaction mechanisms, and concepts such as block structure, gas/fees, and nonces.
- Familiarity with microservices, message queues (Kafka / RabbitMQ), caching (Redis), and databases (MySQL / PostgreSQL).
- Strong security awareness with understanding of key management, signing, and permission control.
Nice to Have:
- Experience integrating multi-chain protocols (BTC UTXO, ETH EVM, Solana, etc.).
- Knowledge of MPC, HSM, KMS, or TEE technologies.
- Fluent in English and Chinese, with the ability to collaborate in a global team.
*Only shortlisted candidates will be contacted.
What does a Node.js developer in web3 do?
A Node developer in web3 is a software developer who specializes in creating and maintaining applications built on the Node.js platform and using web3 technology
Web3 is a term that refers to the collection of technologies and protocols that make up the decentralized web, also known as the Internet of value
This includes blockchain technology, peer-to-peer networking, and other technologies that enable users to exchange value and data in a decentralized manner
As a Node developer in web3, some of the responsibilities might include:
- Developing and maintaining web3 applications using Node.js
- Writing and testing code for smart contracts on blockchain platforms
- Implementing security measures to protect the integrity and confidentiality of data on the decentralized web
- Collaborating with other team members to design and implement web3 solutions
- Troubleshooting and debugging issues with web3 applications
- Staying up-to-date with the latest developments and best practices in the web3 ecosystem.