| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
moomoo | Shenzhen, China | $77k - $90k | |||
moomoo | Shenzhen, China | $77k - $90k | |||
Zscaler | Remote | $154k - $220k | |||
Coins.ph | Hong Kong, Hong Kong | $94k - $165k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
BitKernel | Austin, TX, United States | $91k - $180k | |||
Trident Consulting | Irvine, CA, United States | $134k - $163k | |||
IO Global | Remote | $141k - $148k | |||
Launchpadtechnologiesinc | Remote | $80k - $100k | |||
Falconx | Remote | $106k - $126k | |||
Kraken | European Union | $106k - $114k | |||
Copperco | Remote | $25k - $85k | |||
Tastylive | Remote | $109k - $127k | |||
JS Consulting Solution | Irvine, CA, United States | $72k - $80k | |||
Swoon | San Francisco, CA, United States | $134k - $144k | |||
Binance | Hong Kong, Hong Kong |
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- 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 Java developer in web3 do?
A Java developer in web3 would likely be focused on developing applications that use the Java programming language in the context of the web3 technology stack
Web3 is a collective term used to refer to the next generation of decentralized, blockchain-based technologies that are aimed at creating a more open and secure internet
In this context, a Java developer would be responsible for writing code that interacts with web3 technologies, such as decentralized applications (DApps) and smart contracts, to create new tools and services that run on the blockchain
This could involve working with cutting-edge technologies such as Ethereum, which is a popular blockchain platform that uses the Java programming language, as well as other web3 technologies and frameworks.