Principal Engineer/Senior Engineer - Defi - Chain(DApp)
Hong Kong
Full time
Office
Compensation is not specified
Role
Backend Engineer
Description
About Us
At OKX, we believe that technology is reshaping our future. Established in 2017, OKX is a worldwide leader in cryptocurrency spot and derivatives exchanges. We utilize blockchain technology to reshape the financial landscape by offering a wide range of innovative and sophisticated products, solutions, and trading tools. With over 20 million users in 180 regions globally, OKX aims to provide an engaging platform that empowers individuals to explore the world of crypto. Along with our world-class DeFi exchange, we also have OKX Insights, a research arm that stays at the forefront of the latest trends in the cryptocurrency industry. Our commitment to innovation and our diverse range of crypto products and services fuels our vision of a decentralized financial future.
We value our people as much as we value technology. Our culture is built on collaboration, embracing change, and doing what's right. We are dedicated to creating a friendly, rewarding, and inclusive environment for all our employees. Regardless of your background, here at OKX, everyone feels valued, respected, and has equal opportunities for development and success. We want to bring out the best in you.
About the Role
The Chain backend team plays a vital role in developing OKX multi-public chain DApp and web3 infrastructure services. This includes abstract account wallets, oracles, Subgraphs, and more. The team works closely with on-chain businesses, providing quick and efficient support, and actively driving the exploration and implementation of new web3 businesses and technologies.
Responsibilities
- Develop and implement technical solutions for Web3 DApp projects
- Coordinate and manage resources, oversee project research and development, troubleshoot issues, and ensure timely and high-quality completion
- Foster cross-team communication and enhance collaboration efficiency through code quality control and collaboration
- Handle team tasks and contribute to the cultivation of technical talent in the industry
Requirements
- Solid foundation in Java, with a deep understanding of JVM configuration optimization strategies and tuning, IO, multithreading, concurrency frameworks, common data structures, algorithms, and design patterns. Strong programming standards and relevant work experience
- Familiarity with mainstream open-source application frameworks, such as SpringBoot, SpringMVC, Mybatis, SpringCloud, etc.
- Proficiency in commonly used Middleware, such as MQ, RPC, cache, message queue, MySQL, etc.
- Thorough understanding of common caching systems like Memcached and Redis, and the ability to choose appropriate caching solutions
- In-depth knowledge of distributed system principles, including CAP, consistency, idempotence operations, etc.
Nice to Have
- Clear logical thinking and quick decision-making abilities, along with strong communication skills
- Innovative mindset and exploratory spirit, with a strong aptitude for teamwork
- Understanding of Web3, DApp business, and technology. Previous work experience in these areas is preferred
Perks & Benefits
- Competitive total compensation package
- Comprehensive insurance coverage for employees and their dependents
- More details will be provided as part of the selection process!
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
Not specified
Lumixion.io
Frontend Web3 Engineer | React | Solidity, Ethereum, Solana
Remote, USA
Remote, USA
Full time
Remote
About the RoleWe are seeking a React Web3 Developer to build decentralized applications and integrate smart contracts across multiple blockchain platforms. Candidates may have experience with Solana, Ethereum, Solidity, or similar smart contract technologies.ResponsibilitiesDevelop and maintain Web3 applications using ReactIntegrate and interact with smart contracts on various blockchainsImplement wallet connections and on-chain interactionsCollaborate with product and blockchain teamsWrite clean, secure, and well-documented codeRequirementsStrong experience with React and modern frontend developmentExperience with any smart contract platform (Solana, Ethereum, Solidity, or similar)Familiarity with Web3 libraries (ethers.js, web3.js, wagmi, etc.)Solid understanding of blockchain fundamentals and dApp architectureAbility to work independently with strong communication skillsPreferredExperience with DeFi, NFT, or multi-chain applicationsFull-stack Web3 experienceHiring ProcessTechnical TaskShortlisted candidates will be given access to a public repository. The task is to:Review the codebase and suggest improvements and optimizationsShare recommendations and best practices based on the existing implementationInclude screenshots of the terminal and browser as references where applicableSubmissions must be shared as:A Google Docs link, orA PDF documentTechnical Interview with CTOA detailed technical interview will be conducted with our CTO. Topics will include:In-depth discussion of the candidate’s understanding of the reviewed codebaseApproach to development challenges and best practicesCultural and Work Environment Interview with CEOThe final stage involves a meeting with the CEO to evaluate:Cultural fit within the companyWork ethic and attitudeAlignment with company values and visionExpectations regarding work environment and team collaboration
Payment in Crypto
Abbey Web3
Futures Trading KOL
Part time
Remote
A new centralized Exchange is currently Recruiting Futures Trading KOL.
KOL TRADER BENEFIT PACKAGE
1. We will offer you a 45% rebate commission.
2. Trading funds into your account, to start trading.
3. We are offering a one time upfront fee. This fee is released in parts based on your weekly trading volume for a period of 4weeks. We expect a weekly trading volume of $2,500,000 weekly. If your weekly volume falls below the target, you still receive a proportional payout plus your 45% rebate commission. The upfront fee applies only in the first month. From the second month onward, you earn only on the 45% rebate commission.
4. Your community receives a signup bonus when they join and trade.
5. You get full 24 7 customer support.
6. You get priority access to crypto events based on your trading volume performance.
With these Offer:
-You make profit from your trading funds and withdraw it anytime.
- You received your weekly fee as agreed.
- You still get your rebate commission from your followers trade.
Feel free to reach out with the trading volume you have, we are ready to cooporate.
You can reach out to us on TG: @Abbey_Blockchain
KOL TRADER BENEFIT PACKAGE
1. We will offer you a 45% rebate commission.
2. Trading funds into your account, to start trading.
3. We are offering a one time upfront fee. This fee is released in parts based on your weekly trading volume for a period of 4weeks. We expect a weekly trading volume of $2,500,000 weekly. If your weekly volume falls below the target, you still receive a proportional payout plus your 45% rebate commission. The upfront fee applies only in the first month. From the second month onward, you earn only on the 45% rebate commission.
4. Your community receives a signup bonus when they join and trade.
5. You get full 24 7 customer support.
6. You get priority access to crypto events based on your trading volume performance.
With these Offer:
-You make profit from your trading funds and withdraw it anytime.
- You received your weekly fee as agreed.
- You still get your rebate commission from your followers trade.
Feel free to reach out with the trading volume you have, we are ready to cooporate.
You can reach out to us on TG: @Abbey_Blockchain
Payment in Crypto
XanaNetworo
Crypto Outreach Hunter – High Commission (Remote)
Full time
Remote
XanaNetwork (@xananetwork) is hiring 5–8 outreach hunters. We just relaunched — same core team with a track record of multi-hundred-million caps and six-figure holder bases. Your job:• Send 300–600 high-quality cold DMs per day on Twitter (DexScreener, Pump.fun, new launches)• Get warm replies → we close Pay (performance-first):• $800–$1,200 USD monthly base• + $1,500–$4,000 bonus per signed client• Top hunters clear $8k–$15k+/mo on commission• Paid trial $100 flat — first 8 who hit 5+ warm replies get hired No experience needed — we’ll train hungry people. Apply → DM @mainnetmike on Twitter with:1. How many DMs you can send daily2. Why you want the role Hungry & coachable only.
Payment in Crypto
Chi Ng.
Global Business Development Manager (KOL Partnerships) - LATAM
San Miguel, El Salvador +2
San Miguel, El Salvador +2
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Spanish. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto
Chi Ng.
Global Business Development Manager (KOL Partnerships) - MENA
Cairo, Egypt +5
Cairo, Egypt +5
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Arabic. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto