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Staff Engineer - Blockchain Security and Monitoring

Blockchain Security and Monitoring Engineer for AML on-chain monitoring.
OKX
On-Site
Singapore
Undisclosed salary
Job Description
OKX is seeking a Blockchain Security and Monitoring Engineer to contribute to their team in Singapore. This role involves developing an AML on-chain monitoring system and blockchain security defense system using Spring Boot. The engineer will track and analyze hacker addresses, use Rust Ethereum Virtual Machine (REVM) sandbox environments to simulate attack vectors, and analyze risks through Maximal Extractable Value (MEV) economic models. They will provide security support for financial institutions, blockchain projects, and law enforcement agencies.

What This Role Involves:
  • Implementing a blockchain monitoring backend system based on Spring Boot.
  • Developing on-chain hacker address identification and tracking algorithms and alert systems.
  • Building transaction relationship graphs to visualize fund flows.
  • Integrating multi-chain monitoring capabilities.
  • Building sandbox environments based on REVM to simulate on-chain transaction execution processes.
  • Establishing a real-time alert system for monitoring high-risk operations.
  • Researching cutting-edge attack methods and optimizing detection rule sets.

Requirements:
  • Bachelor's/Master's degree in Computer Science, Network Security, or related field.
  • Proficiency in at least one mainstream language (Java/Python/Rust).
  • 3+ years of Java development experience, proficient in Spring Boot, Spring Cloud, and other frameworks.
  • Proficient in Kafka, Redis, Elasticsearch technology stack, with experience using relational databases (MySQL).
  • Knowledge of using Python/Rust for building blockchain analyzers (such as REVM-based sandboxes).
  • Understanding of REVM - including simulating attack POCs and sandbox environment testing.

What This Role Offers:
  • Competitive total compensation package
  • L&D programs and Education subsidy for employees' growth and development
  • Various team building programs and company events
  • Wellness and meal allowances
  • Comprehensive healthcare schemes for employees and dependants
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OKX

OKX is a leading cryptocurrency exchange and developer of the OKX Wallet, providing access to crypto trading and decentralized applications. As part of OKG, OKX aims to bring the value of blockchain to a global user base through products like OKLink. Trusted by institutions and individuals, OKX emphasizes security and reliability, supported by Proof of Reserves. The company fosters a culture driven by core principles, promoting a diverse and rewarding environment for its employees across its global offices.

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