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Coinstore
Remote

Full Time

Technical Director 1. Job Responsibilities 1 Responsible for building blockchain trading systems, with a focus on the construction and operation of contract trading systems. 2. To cooperate with the company's business development needs, responsible for formulating relevant blockchain business technology solutions, promoting and assisting partners in completing project delivery and implementation. 3. Improve and optimize the development and testing processes, standards, and specifications of the technical team. 4. Combining foreign exchange/commodity price difference contracts, US/Hong Kong stock price difference contracts, and price difference contracts

$8,500 - $14,000 /hour
Lollipop
Remote

Full Time

1. Participate in building and optimizing Rust based virtual machine execution environments. 2. Develop and maintain middleware components that support the operation of smart contracts. 3. Implement and integrate blockchain account models and system call interfaces to support the operation of smart contracts. 4. Collaborate with the team to optimize execution performance and ensure efficient operation in resource constrained environments. 5. Participate in the development of API interfaces to enable the submission of contracts, storage and retrieval of execution results.

$4,000 - $4,800 /hour
BYDFi
Remote

Full Time

1 person in charge of spot market Java position: 1. Participate in the development and maintenance of spot market, undertake Java project technical research, technical reconstruction, problem positioning and other work; 2. Participate in the research and development of core modules, deeply explore and analyze business requirements, and carry out system design and detailed module design; 3. Write corresponding technical documents, strictly code according to development specifications, and ensure project progress and quality;

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

Full Time

1. Responsible for the architecture design and development of the core backend system, using mainstream languages such as Go/Node.js/Python/Java; 2. Maintain and optimize database systems (MySQL, PostgreSQL, MongoDB, or Redis); 3. Write and independently deploy and debug smart contracts (Solidity/Rust); 4. Understand EVM

$4,000 - $5,000 /hour
UbitEx
Remote

Full Time

Job description: 1. Production and editing of various promotional videos, brand showcase videos, etc. (mainly on platforms such as YouTube and Tiktok) 2. Editing and special effects processing of video materials 3. Ensuring that video content conforms to the brand's visual style 4. Communicating with team members to complete video projects

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

Full Time

1. Responsible for developing and optimizing the web application interface of financial service products to provide the best user experience; 2. Work closely with UI designers, backend engineers, and product teams to translate designs into practical, high-performance web applications; 3. Track the latest developments in front-end technology, evaluate and adopt new technologies to enhance product user experience;

$1,500 - $3,000 /hour
GateKeeper
Remote

Full Time

1. Design and develop smart contracts for decentralized applications based on Solana or EVM ecosystems. 2. Write efficient and secure smart contracts using Solidity or other smart contract languages, and ensure seamless integration with front-end and back-end systems. 3. Implement and optimize the core functions of blockchain applications, including but not limited to asset management, transaction execution, and security verification. 4. Coordinate with other team members (including front-end workers)

$3,000 - $6,000 /hour
TanTin Technology
Remote

Full Time

1. Participate in the design and development of cross chain bridge protocols to achieve multi chain interoperability of assets/messages. 2. Optimize the security, stability, and performance of cross chain transactions to ensure reliability in high concurrency scenarios. 3. Develop a smart contract interaction module to handle on chain/off chain data verification and synchronization. 4. Collaborate with the cryptography team to implement secure signature verification and cross chain communication mechanisms.

$2,800 - $5,500 /hour
TanTin Technology
Remote

Full Time

Job responsibilities of contract technology expert: 1. Development and optimization of contract trading system matching/clearing system: 2. Responsible for the development, optimization, and maintenance of the company's trading system matching and clearing engine, ensuring stable and efficient operation of the matching and clearing engine in high concurrency and high load environments. 3. Design and implement high-performance, low latency matching algorithms and low latency clearing based on market demand and business changes, ensuring fairness, accuracy, and efficiency in transaction matching. 4. Trading Summary

$8,000 - $12,000 /hour
Y-MEX
Remote

Full Time

1. Development task: Complete the responsible development tasks on time and deliver high-quality code and documentation. System maintenance: Maintain high stability and availability of the trading system, continuously optimize system performance and user experience. 2. Technical research: Continuously research innovative technologies and share research results with team members. 3. Problem solving: Responsible for locating and resolving customer issues to ensure the normal operation of the system. 4. Teamwork: Work closely with team members,

$4,000 - $6,000 /hour
TanTin Technology
Remote

Full Time

1. Responsible for the front-end development of the public chain wallet web, achieving a user-friendly blockchain interaction experience; 2. Develop core functional modules (such as transaction signatures, DApp connections, multi chain asset management, etc.); 3. Optimize front-end performance and security to ensure reliable key processes such as private key management and transaction broadcasting; 4. Collaborate with smart contract and backend teams to design and implement a wallet API integration solution; 5. Follow up on blockchain ecosystem technologies (such as EIP-6963, A)

$2,500 - $5,000 /hour
TanTin Technology
Remote

Full Time

1. Responsible for the functionality, security, compatibility, and performance testing of Web3 wallets (mobile/web). 2. Design and execute test cases covering core scenarios such as blockchain transactions, DApp interactions, and multi chain compatibility. 3. Participate in security testing, including verifying risk points such as private key management, signature vulnerabilities, and anti phishing. 4. Track defects and drive repairs, output test reports, and ensure version quality.

$2,000 - $3,000 /hour
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