Senior/Staff Engineer, Fraud Risk

ace-line old-record-id- strong Who We Are

ace-line old-record-id- ace-line old-record-id- ace-line old-record-id- ace-line old-record-id- 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.

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About The Opportunity

ace-line old-record-id- We’re looking for a Software Engineer to join our Fraud Risk team!

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ace-line old-record-id- This role will provide an early and significant impact on the engineering team. You will be expected to be responsible for such areas as implementation and support of backend microservices, working closely with the frontend and cross-functional teams to coordinate complex deliverables, do research and provide meaningful feedback about any decision being made within the team. Following are some domains you will have opportunities to work with:

ace-line old-record-id- Real-time fraudulent monitoring with highly configurable rules
Event data stream ingestion which supports near real-time fraud rules setup
Advanced A 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

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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
ace-line old-record-id- Own, monitor and improve our services in production

ace-line old-record-id- Development and testing of high quality product features spanning multiple product domains

ace-line old-record-id- Work with engineering managers, architects, engineers and 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

ace-line old-record-id- Be a technical leader; research and promote new technologies and tools

ace-line old-record-id- Face technical challenges - performance, fault-tolerance, security and live production issues

ace-line old-record-id- Be involved throughout our service life cycle, influence every step of the way

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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

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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
ace-line old-record-id- Experience working in a disruptive technology, successfully launching products, ideally, within FinTech, eCommerce, SaaS, AdTech, or Digital Wallet business experience

ace-line old-record-id- A history (and preference) of being both strategic, analytical and execution-oriented

ace-line old-record-id- Familiarity with product management processes and tools

ace-line old-record-id- Experience working with teams across different time zones

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Perks and Benefits

ace-line old-record-id- Competitive total compensation package

ace-line old-record-id- L and D programs and education subsidy for employees growth and development
ace-line old-record-id-doxusfCPfNQIPMLDddcFHLcCJRC Various team building programs and company events

ace-line old-record-id-doxusfCPfNQIPMLDddcFHLcCJRC Wellness and meal allowances
ace-line old-record-id-doxusfCPfNQIPMLDddcFHLcCJRC Comprehensive healthcare schemes for employees and dependants
ace-line old-record-id-doxusfCPfNQIPMLDddcFHLcCJRC More that we love to tell you along the process!

em span text-font-italic span Please note that Hong Kong is a group-level service hub, and span text-with-abbreviation text-with-abbreviation-bottomline OKX span does not carry on a business of operating a virtual asset trading platform in Hong Kong.

span span span Notice:
span span All official span text-with-abbreviation text-with-abbreviation-bottomline OKX span vacancies are published on this website. span span While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. strong span span If in doubt, please apply directly through our official careers website.

span span Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to span text-with-abbreviation text-with-abbreviation-bottomline OKX span s a rich-text-anchor __anchor-intercept-flag__ text-content-link Candidate Privacy Notice span span.