Senior Blockchain Security & Application Risk Lead

Coins.ph; Hong Kong; On-site; HKD 180,000 - 240,000; Full time

Job summary

Coins.ph is seeking a seasoned Application Security Expert to strengthen the funds and blockchain security of our global crypto exchange. You will lead security for exchange systems, wallets, big data platforms and market-making infrastructure, and manage smart contract auditing and governance initiatives.

The role requires 5+ years in application or blockchain security, with hands-on auditing tool experience and strong knowledge of security frameworks.

Qualifications

• 5+ years of experience in application security, blockchain security, or financial risk control.
• Exchange/fintech background is preferred.
• Strong knowledge of exchange funds flow logic and security frameworks.
• Hands-on experience with smart contract auditing tools.
• Experience with big data analysis and risk modeling.
• Strong offensive/defensive security mindset and governance ability.
• Proficient in English and able to follow blockchain security research.

Responsibilities

• Lead application security governance for core systems (trading, wallet, big data risk analysis, market-making).
• Web service log and API analysis, preferably with AI.
• Build monitoring and defense mechanisms for funds security; define baselines, compliance strategies, and incident response plans.
• Identify and mitigate risks across the transaction lifecycle; apply big data/ML.
• Audit and automate detection of smart contract vulnerabilities.
• Research blockchain attack vectors, develop detection rules, and deploy on-chain monitoring tools.

Skills

Application security

Blockchain security

Smart contract auditing

Big data analysis

English proficiency

Governance & collaboration

Education

Bachelor's degree or above in Computer Science or related field

Tools

Slither

Mythril

Echidna

Foundry

Spark

Elasticsearch

Graph DB

ML-based anomaly detection

Job description

Coins.ph is seeking a seasoned Application Security Expert to strengthen the funds and blockchain security of our global crypto exchange. You will lead security for exchange systems, wallets, big data platforms and market-making infrastructure, and manage smart contract auditing and governance initiatives.

The role requires 5+ years in application or blockchain security, with hands-on auditing tool experience and strong knowledge of security frameworks.