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Matrixport
Remote

Full Time

Responsibilities of a Senior Wallet Engineer: 1 Lead the team to design and implement a wallet system that meets both business requirements and security standards; 2. Lead the team to understand the technology of the new chain and its wallet related implementation; 3. Develop, maintain, and optimize existing wallet services; 4. Efficiently respond and quickly locate issues related to wallet services;

$5,000 - $7,000 /hour
Matrixport
Remote

Full Time

Job Responsibilities of Test Engineer: 1. Participate in the company's product requirement analysis, design test plans, and write test cases; 2. Conduct functional testing, integration testing, system testing, performance testing, and automation testing; 3. Analyze the test results, accurately describe and track the discovered bugs; 4. Continuously improve the testing process, increase testing effectiveness, and improve testing efficiency; 5. Maintain active and effective communication with product managers, R&D teams, demand side teams, and other relevant teams to drive progress

$3,000 - $5,000 /hour
DAOBase
Remote

Full Time

1. Design, write, and optimize smart contracts to ensure they are efficient, secure, and meet business needs. 2. Deploy smart contracts on the main network and test network to maintain the normal operation of the contracts. 3. Review and fix vulnerabilities in contracts to ensure the security of smart contracts. 4. Write, run, and maintain unit and integration tests for contracts. 5. Work closely with the front-end and back-end teams to ensure seamless integration of DApps. 6. Participate in technical design and architecture discussions for the project

$2,850 - $3,562 /hour
Crush AI
Remote

Full Time

Crush is building a DEX trading platform informed by advanced market intelligence, enabled by AI Agents. Crush 正在构建一个以通过提供進階市场情报信息的AI代理為特色的去中心化交易平台

$4,000 - $6,000 /hour
Long69Wang
Remote

Full Time

Job responsibilities: Collaborate with Tech Lead to assist in the development of brand ecosystem tools (Telegram Bot), develop and maintain applications integrated with Telegram Bot API, and work closely with the team to develop, test, release, manage, and optimize MongoDB databases

$1,800 - $2,800 /hour
Socrates
Remote

Full Time

Responsibilities - Conduct security audits on smart contracts, wallets, and blockchain, and write high-quality audit reports. -Develop automatic scanning and monitoring tools for smart contracts, wallets, and blockchain. -Use scanning tools to detect vulnerabilities in online contracts and issue timely risk warnings. -Conduct post event analysis of various hacking incidents, studying the causes, processes, preventive measures, corrective methods, and basic fund tracking. -Proactively identify on chain risks, monitor and build

$5,000 - $8,000 /hour
Chakra
Remote

Full Time

Job description: - Develop and implement the company's technology development strategy, ensuring that the technology direction is aligned with the company's business objectives. -Lead and manage the R&D team, including product managers, backend engineers, testing engineers, and researchers, to ensure efficient team operations and performance standards. -Supervise and coordinate the progress and quality of various technical projects to ensure timely completion and achievement of expected goals. -Pay attention to industry technology trends, promote technological innovation, and ensure the company's success in the field of technology

$4,000 - $10,000 /hour
Chakra
Remote

Full Time

Job description: 1 Responsible for developing testing plans, analyzing strategies, designing use cases, executing tests, and conducting risk assessments for blockchain product modules; Independently responsible for the quality assurance of product modules, including functionality, performance, safety, compatibility, automation, and other aspects. 2. Can independently develop or select suitable testing tools to improve individual and team work efficiency. 3. Analyze the problems in the process practice within the project team and propose effective and feasible improvement measures,

$3,000 - $7,000 /hour
ArcBlock
Remote

Full Time

Design and implement user oriented product features, deliver high-quality, high-performance, and secure backend services, participate in discussions, design, implementation, and delivery of Blocklet Server kernel functionality, provide stable and high-performance application runtime, participate in the design, implementation, delivery, and stable operation of Blocklet Launcher functionality, and extend it to more cloud platforms to participate in Blocklet SDK

$2,500 - $4,500 /hour
ArcBlock
Remote

Full Time

Design and implement user oriented product features, deliver high-quality, smooth user experience web applications, and even participate in the design, implementation, and delivery of Blocklet Server kernel and console functions across applications to ensure high performance and security. Participate in the design, implementation, delivery, and stable operation and maintenance of Blocklet Launcher functions, and extend them to more cloud platforms to participate in Blockle

$2,500 - $4,500 /hour
Moongate
Remote

Full Time

Job Description:- Develop sophisticated web applications using TypeScript, Node.js, React.js, Next.js, and MongoDB.- Enhance the UI/UX aspects of appl

$1 - $5,000 /hour
Pell
Remote

Full Time

1. Develop Solana contracts using Rust. 2. Capable of independently deploying Solana smart contracts to ensure their stable operation

$2,500 - $4,000 /hour
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