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
Chi Ng.
Localization Ops & Growth Specialist - Spanish/Russian
Buenos Aires, Argentina +1
Buenos Aires, Argentina +1
Full time
Remote
BingX is a leading cryptocurrency exchange, serving over 20 million users worldwide. Responsibilities: We’re looking for a marketing and PR professional to localize brand strategy, content, and campaigns for a specific language region. Responsibilities include monitoring local market trends, aligning with HQ teams, creating culturally relevant PR content, supporting promotional launches, coordinating local events and logistics, managing client communications, and contributing to SEO, advertising, and workflow optimization. Requirements: experience in localization, marketing, or PR, with a strong understanding of local culture, media, and social platforms. Background in offline event execution and logistics is preferred. Must be skilled in PR writing, campaign optimization, and cross-team coordination. Proactive, detail-oriented, and capable of managing partnerships and business negotiations. Knowledge of the Spanish-speaking Web3 ecosystem is a plus. Fluency in English and Spanish/Russian is required; Chinese is a bonus.
Payment in Crypto
Chi Ng.
Growth Business Development (KOL) - Korean/Arabic/Polish/Russian/Portuguese/Spanish
Kazakhstan +6
Kazakhstan +6
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 (Chinese or additional local languages are a plus). 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
Changez Khan
Community Team Members
Part time
Remote
🌍 Join DeepRoots — Community Team Recruitment (25 Seats Only) Remote, Global
DeepRoots is building a global movement in Web3:
From Silence to Voice — Together We Rise.
We’re hiring Community Team Members to help grow our ecosystem. If you’re looking to kickstart your Web3 career, this is your chance.
💰 Rewards & Benefits
$150 Micro-Contract (60 days, 2h/day)
Daily Rewards: Top comment, best post, most active
Voice of the Day: Recognition + bonus
Bring-a-Voice Bonus: Earn when new members join through you
Extra Prizes: For leaders who keep the fire alive
👊🏻Clear Growth Path:
Community Team Leader (part-time, higher pay)
Community Team Manager (full-time, full salary + benefits)
Moderator Roles (group management)
📌 Your Role
❤️ Engage actively: like, comment, share
🌍 Push the march forward — “From Silence to Voice”
⏰ 2h/day → 7:00–9:00 PM Dubai time
📆 6 days per week (Sunday OFF)
🧠 Bring a builder mindset (not hype / pump-dump)
✅ Requirements
Stable internet connection
Basic knowledge of Web3
LinkedIn & Twitter (X) account (or willingness to create one)
🌱 How to Apply
Send the following details to: connect@deeproots.earth
Full Name
Country
LinkedIn Account
Twitter (X) Account
Confirmation: “Ready to start and apply to sign the agreement and NDA of the project.”
🌍 Website: deeproots.earth
⚡ This is not hype. It’s a mission. It’s a movement.
✊ Be one of the 25 voices that help shape the future.
DeepRoots is building a global movement in Web3:
From Silence to Voice — Together We Rise.
We’re hiring Community Team Members to help grow our ecosystem. If you’re looking to kickstart your Web3 career, this is your chance.
💰 Rewards & Benefits
$150 Micro-Contract (60 days, 2h/day)
Daily Rewards: Top comment, best post, most active
Voice of the Day: Recognition + bonus
Bring-a-Voice Bonus: Earn when new members join through you
Extra Prizes: For leaders who keep the fire alive
👊🏻Clear Growth Path:
Community Team Leader (part-time, higher pay)
Community Team Manager (full-time, full salary + benefits)
Moderator Roles (group management)
📌 Your Role
❤️ Engage actively: like, comment, share
🌍 Push the march forward — “From Silence to Voice”
⏰ 2h/day → 7:00–9:00 PM Dubai time
📆 6 days per week (Sunday OFF)
🧠 Bring a builder mindset (not hype / pump-dump)
✅ Requirements
Stable internet connection
Basic knowledge of Web3
LinkedIn & Twitter (X) account (or willingness to create one)
🌱 How to Apply
Send the following details to: connect@deeproots.earth
Full Name
Country
LinkedIn Account
Twitter (X) Account
Confirmation: “Ready to start and apply to sign the agreement and NDA of the project.”
🌍 Website: deeproots.earth
⚡ This is not hype. It’s a mission. It’s a movement.
✊ Be one of the 25 voices that help shape the future.
Payment in Crypto
FORMATNULL ventures
Crypto Quant Trader
Panama City, Panama
Panama City, Panama
Full time
Hybrid
Responsibilities
As a Quant trader with FORMATNULL you execute proven strategies across Crypto Futures and Spot markets, monitor existing positions across exchanges and research, develop, and refine new cryptocurrency trading strategies. The role will straddle analyzing new trading opportunities, statistical approaches to profit calculation, trade execution, and support in reporting and KPI management.The ideal candidate would bring a deep understanding of cryptocurrency markets, technical and fundamental analysis, have multiple years’ experience trading at an institutional desk, and arrive with one or more tested strategies for rapid deployment. However, to the extent that strategies remain in the late development or testing stages, such candidates with sufficient market experience should certainly apply as well.Salary negotiable with additional perks. You will run a 5 to 7 digits USD trading account and with increasing responsibilty and negotiatable profitshare you will enjoy a comfortable income. The position is designed to be predominantly remote, with flexibility for in-person collaboration when needed.
Requirements
Extremely strong quantitative and analytical backgroundRelevant experience in statistical modeling3+ years’ industry experience developing and evaluating trading strategies in liquid marketsProficiency in major asset fundamentals and of major blockchain projects and conceptsExperience investing or trading in cryptocurrency marketsDeep understanding of derivative instrumentsUnderstanding of market-making spot and futures on centralized order booksThe following skills would be very helpful, and would help a candidate grow the role going forward:Knowledge of Bitget exchangeKnowledge Google SheetsAdvanced skills in Excel, Google Sheets, SPSS, and statistical tools.Fluency in German, French or Spanish, beyond English as a core necessity.Flexible availability in CET and EST time zones.
As a Quant trader with FORMATNULL you execute proven strategies across Crypto Futures and Spot markets, monitor existing positions across exchanges and research, develop, and refine new cryptocurrency trading strategies. The role will straddle analyzing new trading opportunities, statistical approaches to profit calculation, trade execution, and support in reporting and KPI management.The ideal candidate would bring a deep understanding of cryptocurrency markets, technical and fundamental analysis, have multiple years’ experience trading at an institutional desk, and arrive with one or more tested strategies for rapid deployment. However, to the extent that strategies remain in the late development or testing stages, such candidates with sufficient market experience should certainly apply as well.Salary negotiable with additional perks. You will run a 5 to 7 digits USD trading account and with increasing responsibilty and negotiatable profitshare you will enjoy a comfortable income. The position is designed to be predominantly remote, with flexibility for in-person collaboration when needed.
Requirements
Extremely strong quantitative and analytical backgroundRelevant experience in statistical modeling3+ years’ industry experience developing and evaluating trading strategies in liquid marketsProficiency in major asset fundamentals and of major blockchain projects and conceptsExperience investing or trading in cryptocurrency marketsDeep understanding of derivative instrumentsUnderstanding of market-making spot and futures on centralized order booksThe following skills would be very helpful, and would help a candidate grow the role going forward:Knowledge of Bitget exchangeKnowledge Google SheetsAdvanced skills in Excel, Google Sheets, SPSS, and statistical tools.Fluency in German, French or Spanish, beyond English as a core necessity.Flexible availability in CET and EST time zones.
Chi Ng.
Global Business Development Manager (KOL Partnerships) - LATAM, CIS, EMEA, MENA
Argentina +7
Argentina +7
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 (Chinese or additional local languages are a plus). 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