Principal Engineer/Senior Engineer - Platform Risk(Java)
Hong Kong
Full time
Office
Compensation is not specified
Role
Backend Engineer
Description
About the Company
At OKX, we are shaping the future with technology. Established in 2017, OKX is a leading global cryptocurrency exchange offering spot and derivatives trading. Using blockchain technology, OKX provides a diverse range of innovative products, solutions, and trading tools to reshape the financial ecosystem. With over 20 million users in more than 180 regions worldwide, OKX aims to empower individuals to explore the world of crypto. In addition to our DeFi exchange, OKX Insights, our research arm, stays on the cutting edge of cryptocurrency industry trends. We are committed to providing a platform backed by blockchain and the potential of decentralized finance for global financial access.
We value our people as much as we value technology. Our culture promotes teamwork, embraces change, and encourages doing the right thing. We are dedicated to creating a friendly, rewarding, and inclusive environment for our team. Regardless of your background, everyone at OKX feels valued, respected, and has equal opportunities for development and growth. We strive to bring out the best in each individual.
About the Platform Risk Team
The Platform Risk team focuses on ensuring the secure and risk-conscious operations of OKX. Our main objective is to identify, assess, and mitigate potential risks associated with the platform, ensuring a safe and reliable user experience. We achieve this by developing comprehensive risk management solutions, implementing robust risk assessment methodologies, and collaborating with stakeholders to stay ahead of emerging threats. Through proactive management of platform risks, we aim to strengthen user trust and confidence in our services. Our goal is to foster a culture of risk awareness and excellence, integrating innovation and responsible risk practices to support the sustainable growth and resilience of our platform in the dynamic blockchain and cryptocurrency industry.
Responsibilities
- Create and develop technical plans for platform risk projects
- Coordinate resources, lead project research and development, troubleshoot issues, and ensure timely completion with high quality
- Facilitate cross-team communication and promote efficient teamwork through code quality control and collaboration
- Perform team tasks and promote the growth of technical talents in the industry
Qualifications
- Strong foundation in Java with a deep understanding of JVM configuration optimization, IO, multi-threading, concurrency frameworks, common data structures, algorithms, and design patterns
- Proficiency in programming specifications with relevant work experience
- Familiarity with mainstream open-source application frameworks such as SpringBoot, SpringMVC, Mybatis, SpringCloud, etc.
- Experience with databases like MySQL, Oracle, and knowledge of transactions, locks, indexes, database and SQL optimization, and design principles such as sub-database sub-table and leader/follower synchronization
- Familiarity with common middlewares such as MQ, RPC, cache, message queue, etc.
- Understanding of design principles of caching systems like Memcached, Redis, and ability to select suitable caching solutions
- Knowledge of distributed system principles including CAP, consistency, idempotent operation, etc.
- Clear logical thinking, quick problem-solving skills, and effective communication abilities
Perks & Benefits
- Competitive total compensation
- Comprehensive insurance coverage for employees and their dependents
- More details to be shared during the process
#LI-LL1 #LI-ONSITE
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
Not specified
Peeter Luik
Software Developer
Part time
Remote
I’m actively looking for a native Russian speaker who can expertly conduct or participate in job interviews—especially those requiring strong communication, technical understanding, and professional presence. This person should feel at ease discussing software engineering, or related topics, while also being able to assess a candidate’s clarity, depth, and overall fit. If you’re a fluent Russian speaker with the confidence and experience to shine in a technical interview setting, I’d be excited to connect and explore the opportunity with you.
Payment in Crypto
Chandra Shekhar Patidar
Ethical hackering, Web security, bug Bounting+report
Rajanukunte, India
Rajanukunte, India
Part time
Remote
We are looking for a skilled Ethical Hacker who specializes in Web Security, Bug Bounties, and Report Writing. The ideal candidate will be proficient in IT and Networking concepts, with a passion for keeping web environments secure and free from vulnerabilities.
Responsibilities:
- Conducting ethical hacking activities to identify and exploit vulnerabilities in web applications and networks.
- Participating in bug bounty programs to discover and report security issues.
- Writing detailed reports documenting findings, recommended solutions, and mitigation strategies.
- Collaborating with developers and security experts to address identified vulnerabilities.
Required Skills:
- In-depth knowledge of IT and Networking principles.
- Proficiency in ethical hacking techniques and tools.
- Understanding of web security best practices.
- Strong communication and report writing skills.
- Ability to work independently and as part of a team.
If you have a strong background in IT and Networking, a keen interest in ethical hacking, and a desire to contribute to web security, we encourage you to apply for this exciting opportunity.
Responsibilities:
- Conducting ethical hacking activities to identify and exploit vulnerabilities in web applications and networks.
- Participating in bug bounty programs to discover and report security issues.
- Writing detailed reports documenting findings, recommended solutions, and mitigation strategies.
- Collaborating with developers and security experts to address identified vulnerabilities.
Required Skills:
- In-depth knowledge of IT and Networking principles.
- Proficiency in ethical hacking techniques and tools.
- Understanding of web security best practices.
- Strong communication and report writing skills.
- Ability to work independently and as part of a team.
If you have a strong background in IT and Networking, a keen interest in ethical hacking, and a desire to contribute to web security, we encourage you to apply for this exciting opportunity.
Payment in Crypto
White Bridge LTD
Junior Crypto Analyst & Trader (Remote, Training Included)
Bruges, Belgium +9
Bruges, Belgium +9
Part time
Remote
WhiteBridge-Ltd is a young and rapidly developing company working in the field of digital markets and analytics.
We bring together enterprising people who want to master modern approaches to trading, analysis and decision-making in a dynamic market environment.
We are currently looking for a Junior Crypto Analyst & Trader, a novice specialist who is ready to complete training, perform real trading operations and develop under the guidance of experienced mentors.
Your Responsibilities:
Execution and support of trading operations on digital markets.
Tracking asset dynamics and market trends.
Maintaining internal records on transactions and statistics.
Analyzing market data, news, and charts for decision-making.
Work with analytical tools and participate in discussions with a team of traders.
The gradual formation and improvement of your own trading strategy.
What We Offer:
Working for a young and growing international company.
Remote format — you can work from anywhere in the world.
Flexible schedule — up to 20 hours per week, it is convenient to combine with study or main activity.
Learning from scratch — all processes and trading tools are mastered with a mentor.
The opportunity for professional growth and transition to more advanced levels.
Ideal Candidate:
He is interested in digital assets and trading processes.
He is attentive to details and is able to analyze data.
He learns quickly and is ready to act in a dynamic environment.
Knows how to work independently and in a team.
Trading experience is not required — the desire to develop is important.
We bring together enterprising people who want to master modern approaches to trading, analysis and decision-making in a dynamic market environment.
We are currently looking for a Junior Crypto Analyst & Trader, a novice specialist who is ready to complete training, perform real trading operations and develop under the guidance of experienced mentors.
Your Responsibilities:
Execution and support of trading operations on digital markets.
Tracking asset dynamics and market trends.
Maintaining internal records on transactions and statistics.
Analyzing market data, news, and charts for decision-making.
Work with analytical tools and participate in discussions with a team of traders.
The gradual formation and improvement of your own trading strategy.
What We Offer:
Working for a young and growing international company.
Remote format — you can work from anywhere in the world.
Flexible schedule — up to 20 hours per week, it is convenient to combine with study or main activity.
Learning from scratch — all processes and trading tools are mastered with a mentor.
The opportunity for professional growth and transition to more advanced levels.
Ideal Candidate:
He is interested in digital assets and trading processes.
He is attentive to details and is able to analyze data.
He learns quickly and is ready to act in a dynamic environment.
Knows how to work independently and in a team.
Trading experience is not required — the desire to develop is important.
Payment in Crypto
Ali Ahmad
Graphic Designer for Web & Mobile Projects
Part time
Remote
We are lookang for a talented and creative graphic designer to work on various digital design project including web banners social medai posts product mockups and UI/UX layouts
Payment in Crypto
George I
Game Studio Hiring: Full-Stack, Mobile & 3D Web Developers
Part time
Remote
About Us
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
Full-Stack Developers
Backend and frontend development for web platform
Experience with game-related web services preferred
Mobile Developers
Native mobile app development
Cross-platform experience valued
Unity Developers
Gameplay mechanics implementation
3+ years Unity experience required
3D Web Developers
WebGL and Three.js expertise
Browser-based 3D rendering experience
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
Full-Stack Developers
Backend and frontend development for web platform
Experience with game-related web services preferred
Mobile Developers
Native mobile app development
Cross-platform experience valued
Unity Developers
Gameplay mechanics implementation
3+ years Unity experience required
3D Web Developers
WebGL and Three.js expertise
Browser-based 3D rendering experience
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
Payment in Crypto