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Coinstore
Remote

Full Time

1. Wallet Development Engineer (Important and Urgent): Base Beijing, salary budget CNY 15-20k/month Job Responsibilities: 1. System Design and Development - Design and develop a secure and reliable digital asset wallet system based on exchange business needs, including but not limited to mainstream digital currency wallets such as Bitcoin and Ethereum. -Participate in the architecture design of the wallet system, optimize system performance, and ensure stable operation of the wallet in high concurrency scenarios.

$2,000 - $4,000 /hour
T54 Labs
Remote

Full Time

**About Us**At T54 Labs, we’re not just building financial infrastructure—we’re crafting the future of money. Powered by blockchain and AI, we’re enab

$2,500 - $5,000 /hour
Sidekick
Remote

Full Time

We are looking for a senior backend development engineer with extensive experience in Go language development and live streaming system development (both of which are mandatory requirements) to join our team. If you have both Rust and Web3 related experience, it will be considered an additional item. Job responsibilities: Responsible for the development, optimization, and maintenance of backend systems related to live streaming, ensuring high concurrency and availability of the system; Design and implement high-performance API interfaces and data

$3,000 - $6,000 /hour
UEEx
Remote

Full Time

\Job responsibilities in Product Operations - Institutional and Financial Business: Manage the daily operation of institutional financial products, especially contract products and related financial services. Coordinate with institutional clients, maintain close communication with financial institutions, and ensure smooth business operations. Coordinate front-end and product development teams to support product configuration and optimization. Optimize operational processes, improve efficiency and service quality. Follow up on core business, coordinate resources, and ensure smooth business integration.

$3,000 - $4,000 /hour
SoonChain
Remote

Full Time

1. Responsible for the front-end development of the blockchain web version C-end product, continuously improving the system's front-end performance and user experience. 2. Develop front-end functional modules based on product requirements and prototype drawings. 3. Collaborate effectively with the backend team to complete version updates and iterations.

$2,000 - $3,000 /hour
Delysium
Remote

Full Time

Job Title: React Native/Expo Mobile Developer Job Responsibilities: 1 Responsible for the design, development, maintenance, and optimization of mobile solutions for the project; 2. Participate in project design, break down the mobile work of the project content, estimate the work time cycle, and identify the difficulty and risk points of implementation; 3. Synchronize information with other departments in a timely manner during the project development process, such as backend, product, design, testing, etc;

$3,000 - $7,000 /hour
TanTin Technology
Remote

Full Time

1. Technical leader: Responsible for the technical architecture design and selection of the wallet system, ensuring high performance, scalability, and security of the system. Lead the research and development of blockchain related technologies, including but not limited to multi chain support, smart contract integration, decentralized identity (DID), etc. Resolve technical challenges during development to ensure timely project delivery. 2. Team management: Lead and manage the wallet development team, including front-end, back-end, and blockchain development engineers. Develop a development plan

$5,000 - $6,000 /hour
UbitEx
Remote

Full Time

1. Technology Strategy: Develop and implement the exchange's technology roadmap to ensure alignment between technology direction and business objectives. 2. Architecture design: Design a high concurrency and high availability exchange system architecture, including trading engines, wallet systems, clearing systems, etc. 3. Team management: Lead the technical team (backend, frontend, blockchain, operations, etc.) to improve team efficiency and technical capabilities. 4. Technical research and development: Leading the research and development of blockchain related technologies, such as multi chain support and smart contract integration

$10,000 - $13,000 /hour
Spade Labs
Remote

Full Time

We are looking for an experienced Node.js/TypeScript backend development engineer to join our team. If you have a deep understanding of backend development and experience in frontend development, it would be even better. In addition, if you have experience in Web3 related development or AI agent development, we will give priority consideration. Job responsibilities: Responsible for the development, optimization, and maintenance of backend systems to ensure high-performance and high availability equipment

$3,600 - $6,000 /hour
Delysium
Remote

Full Time

1. 在Solana、Ethereum上设计/实现安全可靠的应用程序;2. 智能合约的内部质量控制及审核;3. 研究多种dapp协议, 提供先进的行业愿景。1. Implement secure and reliable applications on Solana and Ethereum;2.

$2,500 - $7,000 /hour
BiFinance
Remote

Full Time

1. Responsible for identifying security risks in the exchange trading system, fund system, and user account system, developing and optimizing risk control strategies and rules Design real-time monitoring and warning mechanisms for hacker attacks, abnormal transactions, money laundering, fraud, and other behaviors to reduce platform and user asset risks Lead the architecture design and development of risk control systems, including risk data analysis models, real-time monitoring tools, automated disposal systems, etc Combining blockchain features (such as on chain transactions)

$3,500 - $5,000 /hour
Bitroot
Remote

Full Time

#Test Development Engineer # # Job Description: Test Development Engineer, responsible for designing and developing testing frameworks and tools, building automated testing platforms, improving testing efficiency and product quality. ##Job Responsibilities 1 Design and develop automated testing frameworks and tool platforms 2 Building an end-to-end automated testing solution 3 Develop performance testing and stress testing tools 4 Design and implement a test data management plan 5 Optimize the testing process and improve

$1,500 - $3,500 /hour
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