Senior Application Security Expert (Web3)

TL;DR

Senior Application Security Expert (Web3): Building and strengthening funds and blockchain security for a global crypto exchange with an accent on exchange systems, wallet protection, and smart contract auditing. Focus on developing defense mechanisms, threat governance, and leveraging big data and AI/ML for anomaly detection and risk mitigation across trading infrastructure.

Location: Hybrid role based in Shenzhen or Hong Kong.

Company

A global cryptocurrency exchange platform focused on secure digital asset services.

What you will do

• Lead application security governance for core trading, wallet, and market-making systems.
• Build monitoring and defense mechanisms for funds security, including incident response plans.
• Audit and automate the detection of smart contract vulnerabilities.
• Develop detection rules for blockchain attack vectors and deploy on-chain monitoring tools.
• Analyze web service logs and APIs, incorporating AI where applicable.
• Identify and mitigate risks across the transaction lifecycle using big data and machine learning.

Requirements

• Bachelor’s degree or above in Computer Science, Information Security, or Cryptography.
• 5+ years of experience in application security, blockchain security, or financial risk control.
• Hands-on experience with smart contract auditing tools such as Slither, Mythril, Echidna, or Foundry.
• Knowledge of big data analysis and risk modeling tools including Spark, Elasticsearch, or Graph DB.
• Understanding of exchange funds flow logic and application security frameworks.
• Proficiency in English required to follow latest security research.

Nice to have

• Background in crypto exchanges or fintech environments.