Senior/Staff Java Engineer, Fraud Risk
Who We Are
At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.
OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.
Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.
OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.
About The Opportunity
- Real-time fraudulent monitoring with highly configurable rules
- Event data stream ingestion which supports near real-time fraud rules setup
- Advanced A/B testing capabilities for our customers so they can leverage greedy algorithms and fight fraud
- Powerful tools and innovative data science driven solutions for business user
- Full feature risk ecosystem
What You'll Be Doing
- Proficiency with Java stack and JVM (memory/performance tuning, GC)
- Proficiency with developing Web Services, SOA, REST APIs, Message Queue, Distributed/Scalable Architecture
- Proficiency in Spring Framework (Spring Boot), Hibernate (or similar ORM), Maven, Git
- Design and develop 24/7 high scale APIs and distributed system, the tech stack will be on Alicloud/AWS
- Strong CS fundamentals, solid knowledge of OOP/OOD, GoF design patterns
- Write unit tests, integration tests and CI/CD scripts
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Own, monitor and improve our services in production
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Development and testing of high quality product features spanning multiple product domains
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Work with engineering managers, architects, engineers & QA to develop innovative solutions that meet market needs w.r.t functionality, performance, reliability, realistic implementation schedules and adherence to development goals and principles
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Be a technical leader; research and promote new technologies and tools
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Face technical challenges - performance, fault-tolerance, security and live production issues
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Be involved throughout our service life cycle, influence every step of the way
What We Look For In You
- Min. 5+ years of experience in Software Development
- Possess a solid foundation in Java, with a deep understanding of JVM configuration optimisation strategies and tuning, IO, multi-threading, concurrency frameworks, common data structures, algorithms, and design patterns
- Good programming specifications and rich work experience
- Familiar with mainstream open-source application frameworks, such as SpringBoot, SpringMVC, Mybatis, SpringCloud, etc.
- Experience with MySQL, Oracle, and other databases, with an in-depth understanding of things, locks, indexes, database and SQL optimisation, design methods such as sub-database sub-table, leader/follower synchronization
- Familiar with common middleware, such as Kakfa, ELK, Hologres, etc.
- Possess a deep understanding of the design principles of common caching systems, such as Memcached, Redis, etc. and be able to accurately choose caching solutions
- Have a good understanding of distributed system principles, including CAP, consistency, idempotent operation, etc.
- Work well in a team environment and be able to effectively drive cross-team solutions that have complex dependencies and requirements
- Results-oriented, self-learner, problem solver with 'can do' attitude
- Clear logic, quick thinking and good communication skills
- Bilingual is highly preferred (Mandarin and English) as the team will be working with stakeholders in different regions
Nice-To-Have
- Already or are eager to become an expert in the blockchain and cryptocurrency landscape and will understand how speculators, traders, digital asset exchanges, blockchain money services businesses and financial institutions operate
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Experience working in a disruptive technology, successfully launching products, ideally, within FinTech, eCommerce, SaaS, AdTech, or Digital Wallet business experience
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A history (and preference) of being both strategic, analytical and execution-oriented
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Familiarity with product management processes and tools
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Experience working with teams across different time zones
Perks & Benefits
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Competitive total compensation package
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Various team building programs and company events
- Wellness and meal allowances
- Comprehensive healthcare schemes for employees and dependants
- More that we love to tell you along the process!
About OKX
OKX is a leading global Web3 technology company and cryptocurrency exchange, dedicated to building the future of decentralized finance and digital asset ownership. With a robust presence and growing operations across Colombia, Argentina, and Mexico, we provide a secure, innovative, and user-friendly platform for millions worldwide to trade, invest, and explore the vast potential of the blockchain ecosystem. We're at the forefront of developing cutting-edge solutions, from advanced trading tools and DeFi protocols to immersive metaverse experiences and NFT marketplaces, all powered by our unwavering commitment to security and transparency. Our culture at OKX is driven by innovation, collaboration, and a passion for pushing the boundaries of what's possible in Web3. We foster an environment where bright minds are empowered to contribute to a decentralized future, thrive on challenging projects, and grow alongside pioneering technology. We value diversity of thought, encourage continuous learning, and believe in building a team that is as global and interconnected as the blockchain itself. Joining OKX means being part of a dynamic, fast-paced team that is shaping the next generation of the internet. If you're a blockchain professional eager to make a tangible impact and contribute to a truly global platform, OKX offers unparalleled opportunities. We're seeking visionary talent in LATAM to join our mission of making crypto and Web3 accessible to everyone, everywhere. Come build with us and play a pivotal role in accelerating the adoption of decentralized technologies, empowering individuals, and revolutionizing financial systems around the world.
Ready to Apply?
To submit your application for this position, please visit OKX's official website and follow their application process.