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OKX

Staff Software Engineer, Fraud Risk

OKX, San Jose, California, United States, 95199


Who We Are

At OKX, we believe that the future will be reshaped by Crypto, ultimately contributing to every individual's freedom. OKX began as a crypto exchange giving millions of people access to crypto trading and over time becoming among the largest platforms in the world. In recent years, we have developed one of the most connected Web3 wallets used by millions to access decentralized crypto applications (dApps). OKX is a trusted brand by hundreds of large institutions seeking access to crypto markets on a reliable platform that seamlessly connects with global banking and payments. In the last year, OKX has expanded into new markets including Australia, Brazil, Netherlands, Singapore and Turkey, with plans to launch in the US, Belgium and the UAE.

We are deeply committed to shaping a fairer, more transparent and accessible society through blockchain technology. This is why we publish proof of reserves monthly, and continue to ship new innovative security features.About the Opportunity

We are seeking Software Engineers to join our rapidly growing

Fraud Risk

team. In this role, you'll have a direct and early impact on our engineering efforts in the US. You will be responsible for building and maintaining backend microservices, collaborating with cross-functional teams, and contributing to critical decisions. Here's what you'll have the opportunity to work on:Real-time fraud monitoring

with configurable rulesEvent data stream ingestion that supports near real-time fraud detectionAdvanced A/B testing for fraud detection using machine learning algorithmsTools powered by

data science

to help our business users combat fraud effectivelyA comprehensive

risk ecosystem

to protect our platformWhat You'll Be DoingDesigning and developing high-scale APIs and distributed systems on Alicloud/AWS using Java and Spring BootApplying strong CS fundamentals like OOP, design patterns, and performance optimization strategiesDeveloping and optimizing REST APIs, SOA, and distributed architecturesWriting unit tests, integration tests, and CI/CD pipelines to ensure seamless deploymentsOwning, monitoring, and improving services in production for high availability and reliabilityCollaborating with cross-functional teams to deliver features that meet market needs in terms of functionality, performance, and reliabilityFacing challenges like performance tuning, fault-tolerance, and handling live production issuesLeading and mentoring other engineers, researching and promoting new technologies, and contributing to the team's growthWhat We Look For In You5+ years of software development experience, with deep knowledge of Java, JVM tuning, and multi-threadingExperience with Spring Boot, SpringCloud, Hibernate, and message queue systemsProficiency with SQL databases like MySQL and Oracle, and knowledge of database optimizationFamiliarity with middleware like Kafka, ELK, and RedisStrong understanding of distributed systems principles, including CAP, consistency, and fault toleranceAbility to work effectively in cross-functional teams and manage complex dependenciesA problem-solver with clear logic, fast thinking, and excellent communication skillsFluent in both Mandarin and EnglishNice to HavesExperience in the blockchain/cryptocurrency industryBackground in disruptive technologies such as FinTech, eCommerce, SaaS, or AdTechFamiliarity with product management processesExperience working with teams across offices and time zonesPerks & BenefitsCompetitive total compensation packageL&D programs and Education subsidy for employees' growth and developmentVarious team building programs and company eventsComprehensive healthcare schemes for employees and dependents

The salary range for this position is $238,518 to $273,923. The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via OKX internal or external careers site.

OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider employment-qualified applicants with arrest and conviction records.