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NFTSCAN
Remote

Full Time

Job Description: 1. Participate in the design and development of blockchain underlying modules and sidechain services. 2. Engage in the development of smart contract interaction layers, P2P network layers, and on-chain transaction packaging and broadcasting logic. 3. Develop and optimize core functionalities such as on-chain transaction signing, Nonce management, block packaging, and consensus message processing. 4. Collaborate with the contract team to ensure on-chain/off-chain data consistency, event monitoring, and state aggregation. 5. Implement high-concurrency, high-

$3,000 - $9,000 /hour
DogPay
Remote

Full Time

Job Description:1. Responsible for developing key clients in overseas OTC and cross-border payment businesses, as well as sales of VCC/virtual card b

$1,000 - $4,500 /hour
Staynex
Remote

Full Time

Job Description: 1. Responsible for modifying and outputting daily operational materials based on existing design templates, including event banners, ranking pages, and routine operational requirements. 2. Adapt design content for multiple languages and sizes according to different version specifications. 3. Participate in designing and basic extensions for offline event materials, ensuring overall visual consistency. 4. Update template content or replace materials as per business needs, ensur...

$800 - $1,500 /hour
Toobit
Remote

Full Time

Job Description:Business Development Intern / Junior BD (Incubation Program)Location: RemoteType: Full-timeOpenings: 20–30Salary Range: 1,000–2,000 U

$1,000 - $2,000 /hour
Fizen
Remote

Full Time

Job Description:FIZEN AMBASSADOR PROGRAMLimited to 100 Ambassadors.Fizen is the crypto neobank for travelers and digital nomads, backed by Tether (US

$200 - $1,000 /hour
Deepcoin
Remote

Full Time

Job Description: 1. Rendering Service Optimization and Disaster Recovery 2. Design and optimize server-side rendering (SSR) architecture to achieve high-performance rendering and dynamic degradation strategies, ensuring service availability under high-concurrency scenarios. 3. Develop disaster recovery solutions (e.g., multi-level caching, fallback data, traffic switching) to enhance system robustness. 4. Lead the integration of isomorphic rendering and micro-frontend technologies to achieve module decoupling and dynamic collaboration across multiple teams.

$3,500 - $5,500 /hour
Deepcoin
Remote

Full Time

Job Description: 1. Responsible for the architecture design and development of core business modules, including key services such as trading, fund accounts, risk control, etc. 2. Lead and optimize high-concurrency, high-availability system architecture design, with experience in performance tuning and stability assurance under scenarios involving millions of requests and billions of data records. 3. Analyze and optimize system performance issues such as database access efficiency, cache hit rates, message backlog, GC pauses, and memory leaks. 4.

$3,500 - $5,500 /hour
S6 Global Exchange
Remote

Full Time

Job Description: 【Advertising Strategy and Placement】1. Independently manage the company's primary advertising accounts (e.g., Facebook, Google, TikTok, etc.), formulate and execute weekly/monthly/quarterly advertising strategies. 2. Oversee the entire process of advertising campaigns, including audience targeting, ad creative planning, budget allocation, bidding strategy setup, and A/B testing. 【Data Analysis and Optimization】1. Conduct daily

$2,000 - $5,000 /hour
CTC Chain
Remote

Full Time

Job Description: 1. Create and publish daily content on Twitter, Telegram, Facebook, and other platforms; 2. Translate or localize content from English→Chinese (and vice versa); 3. Monitor Web3 trends, memes, and social signals; 4. Collaborate with marketing and design teams to drive coordinated campaigns; 5. Engage with followers and professionally respond to comments/messages; 6. Assist in tracking performance metrics

$1,500 - $2,000 /hour
Matrixport
Remote

Full Time

Job Description:1. Security Architecture Planning & Implementation- Lead the planning, design, and evolution of the company’s overall security a

$5,000 - $10,000 /hour
Evelyn - Headhunter
Remote

Full Time

Job Description: Responsibilities:- Conduct daily functional inspections and contract testing to ensure stable system operation and smooth processes.- Design test cases based on requirement documents and product logic, execute them accordingly, and promptly identify and report issues.- Clearly and accurately document test results and issue descriptions to assist the development team in locating and resolving problems.- Maintain effective communication with product, development, and operations teams to facilitate issue resolution closure.

$3,000 - $5,000 /hour
Evelyn - Headhunter
Remote

Full Time

Job Description: Responsibilities: 1. Responsible for the development and iterative updates of the company's iOS mobile applications, ensuring high-quality delivery; 2. Lead the optimization of existing application architecture, foundational frameworks, and modular design to enhance application performance and user experience; 3. Continuously improve key mobile performance metrics such as loading speed, stability, and memory usage to ensure smooth operation across different devices; 4. Quickly identify and

$4,000 - $7,000 /hour
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