Principal/Senior Engineer - Defi - DEX(Java)
Hong Kong
Full time
Office
Compensation is not specified
Role
Backend Engineer
Description
About Our Company
At OKX, we embrace the transformative power of technology for our future. Established in 2017, OKX is a leading global cryptocurrency exchange that specializes in spot and derivatives trading. Our innovative use of blockchain technology has revolutionized the financial industry by offering a wide range of advanced products, solutions, and trading tools. With over 20 million users in more than 180 regions worldwide, OKX is dedicated to creating an inclusive platform that empowers individuals to explore the world of crypto. In addition to our cutting-edge decentralized finance exchange, we also have OKX Insights, a research arm that stays at the forefront of cryptocurrency industry trends. Through our comprehensive range of crypto products and services, we envision a world of financial accessibility supported by blockchain and decentralized finance.
We value our employees just as much as we value technology. Our company culture promotes teamwork, adaptability, and integrity. We strive to cultivate a friendly, rewarding, and diverse environment where everyone feels valued, respected, and has equal opportunities for growth and success. No matter where you come from, we want to bring out the best in you.
Job Opportunity
Responsibilities:
- Develop server-level solutions for blockchain and oracle technologies, as well as other blockchain service products.
- Optimize performance and conduct technical research to achieve high availability, reliability, and performance.
- Identify areas for service optimization and enhance engineering productivity through architecture expertise.
- Understand business and product requirements, complete functional design, architecture optimization, and development work.
Qualifications:
- Strong foundation in Java programming, including JVM, IO, multithreading, concurrency, networking, and a deep understanding of object-oriented design principles.
- Proficiency in mainstream Java frameworks such as Spring, SpringBoot, and SpringCloud. Experience in large-scale project foundation and application architecture design is preferred.
- Familiarity with blockchain products like Bitcoin, Ethereum, and Hyperledger is a plus.
- Interest in blockchain technology and experience with public blockchain projects like Uniswap and AAVE is preferred.
- Ability to collaborate with teams across different offices and time zones.
- Fluent in Mandarin and English.
- Solid background in STEM (Science/Technology/Engineering/Mathematics) education.
Perks & Benefits
- Competitive compensation package.
- Comprehensive insurance coverage for employees and their dependents.
- Additional perks to be revealed during the hiring process.
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
Not specified
Princewill Tor-Anyiin
TEAM members needed for my Start-up Pan-African Web3 project
Benue, Nigeria
Benue, Nigeria
Full time
Remote
AFRO-NODE: Join the Pan-African Web3 Revolution on TON!🚀
We're thrilled to announce that AFRO-NODE, a dual ecosystem on The Open Network (TON), has been shortlisted for a Grant! 🎉 To take our project to the next level, we're looking for talented FunC and Tact smart contract developers to help build out our Minimum Viable Product (MVP), Jetton Master Contract for our Utility Token $ANODE
What We're Looking For:
- Experienced developers with expertise in FunC and Tact
- Strong understanding of smart contract security and best practices
- Ability to work collaboratively in a fast-paced environment
What We Offer:
- Pre-TGE $ANODE utility tokens for early contributors
- Opportunity to be part of a pioneering Pan-African Web3 project
- Collaborative and dynamic community with a shared vision
- Stipends from VC Investor Grant.
How to Join:
DM me with your:
1. Summary of your Blockchain/Web3 Skills & Experience.
2. Your means of verification i.e social media handles
3. Email
4. Country
5. Full Name.
Contact me @ : https://t.me/afronodeWeb3
Please these are important due to the seriousness of the Financial Grant from VC Investor & Accelerator involved.
Thank you ❤️
We're thrilled to announce that AFRO-NODE, a dual ecosystem on The Open Network (TON), has been shortlisted for a Grant! 🎉 To take our project to the next level, we're looking for talented FunC and Tact smart contract developers to help build out our Minimum Viable Product (MVP), Jetton Master Contract for our Utility Token $ANODE
What We're Looking For:
- Experienced developers with expertise in FunC and Tact
- Strong understanding of smart contract security and best practices
- Ability to work collaboratively in a fast-paced environment
What We Offer:
- Pre-TGE $ANODE utility tokens for early contributors
- Opportunity to be part of a pioneering Pan-African Web3 project
- Collaborative and dynamic community with a shared vision
- Stipends from VC Investor Grant.
How to Join:
DM me with your:
1. Summary of your Blockchain/Web3 Skills & Experience.
2. Your means of verification i.e social media handles
3. Email
4. Country
5. Full Name.
Contact me @ : https://t.me/afronodeWeb3
Please these are important due to the seriousness of the Financial Grant from VC Investor & Accelerator involved.
Thank you ❤️
Payment in Crypto
Melani Melani
Audit for KIY Ecosystem
Full time
Remote
🚀 KIY ECOSYSTEM – Core Team Members Needed!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
Payment in Crypto
Melani Melani
Technical for KIY Ecosystem
Full time
Remote
🚀 KIY ECOSYSTEM – Core Team Members Needed!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
Payment in Crypto
Melani Melani
Legal for KIY Ecosystem
Full time
Remote
🚀 KIY ECOSYSTEM – Core Team Members Needed!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
Payment in Crypto
Melani Melani
Tokenomics Advisors for KIY Ecosystem
Full time
Remote
🚀 KIY ECOSYSTEM – Core Team Members Needed!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
We're building something big in Web3 Security & User Acquisition, backed by proven Web2 security veterans and crypto OGs. Now looking to expand our Core Team for 3 early-stage projects under the KIY Ecosystem:
🔍 Open Roles (for each project)
C-Suite
• CEO
• CMO
• CSO
Advisors
• Blockchain
• Tokenomics
• Technical
• Legal
• Audit
📍 Remote-first | GMT+8 Preferred
💰 Compensation: Token allocation
🧩 What We're AboutWe're a crypto-blockchain security team led by founders who’ve previously scaled Web2 security ventures. Now, we're building a decentralized ecosystem focused on protecting users and onboarding the next billion into Web3.
✅ What We’re Looking For
Strategic Partners & Leaders with:
• 2+ years in Crypto/DeFi
• Existing industry network
• Strong communication & ability to drive ecosystem growth
🤝 Your Mission:
• Build strategic partnerships across DeFi (DEXs, LPs, Institutions)
• Help shape tokenomics, product-market fit, and GTM
• Be part of a security-first movement in Web3
📩 Interested or know someone perfect for this?
Referrals welcome — we offer commissions!
Reach out at rendy@keepityourself.com
with
Subject : [Position](space)[Full Name]
Including CV and LinkedIn Profile
Thanks!
Payment in Crypto