Senior Application Security Expert

Coins.ph; Puerto Rico; Remote; USD 100,000 - 130,000; Full time

Job summary

A leading global crypto exchange seeks an experienced Application Security Expert to enhance funds and blockchain security. The ideal candidate will lead security governance, audit smart contracts, and implement risk mitigation strategies across systems. A background in fintech with strong analytical and collaboration skills is required. This role offers the opportunity to engage with cutting-edge blockchain security research.

Qualifications

• 5 years of experience in application security or blockchain security.
• Strong knowledge of application security frameworks.
• Hands-on experience with smart contract auditing tools.

Responsibilities

• Lead application security governance for core systems.
• Build monitoring and defense mechanisms for funds security.
• Identify and mitigate risks across the transaction lifecycle.

Skills

Application security governance

Smart contract auditing

Big data analysis

Risk modeling

Blockchain security

Education

Bachelor's degree in Computer Science

Tools

Slither

Mythril

Echidna

Foundry

Spark

Elasticsearch

Job description

We are looking for a seasoned Application Security Expert to strengthen the funds and blockchain security of our global crypto exchange. This role focuses on securing exchange systems, wallets, big data platforms, and market-making infrastructure, while also leading smart contract auditing and blockchain threat governance.
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Responsibilities

• · Lead application security governance for core systems (trading, wallet, big data risk analysis, market-making).
• · Web service log and API analysis, preferabally 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.

Requirements

• · Bachelor’s degree or above in Computer Science, Information Security, Cryptography, or related field.
• · 5 years of experience in application security, blockchain security, or financial risk control; exchange/fintech background preferred.
• · Strong knowledge of exchange funds flow logic and application security frameworks.
• · Hands-on experience with smart contract auditing tools (e.g., Slither, Mythril, Echidna, Foundry).
• · Skilled in big data analysis & risk modeling (Spark, Elasticsearch, Graph DB, ML-based anomaly detection).
• · Strong offensive/defensive security mindset, cross-team collaboration skills, and ability to drive governance into practice.
• · Proficient in English; able to follow cutting-edge blockchain security research.

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