Crypto Wallet Security Engineer — MPC & On-Chain

Leadingnation; Hong Kong; On-site; HKD 75,000 - 125,000; Full time

Job summary

Coins is seeking a Blockchain Security Engineer in the Philippines to lead wallet security architecture, MPC policy management, and on‑chain safeguards. You will oversee private key lifecycle, disaster drills, and multi‑sig configurations across major networks.

You will also audit interactions with external contracts and ensure robust protection against on‑chain vulnerabilities, while collaborating with cross‑functional teams to strengthen customer asset security.

Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, or related majors with 1–3 years in Web3 or blockchain security.
• Familiar with cryptography basics, private key management, and encrypted storage.
• Knowledge of MPC, TSS threshold signatures and on‑chain multisig mechanisms.
• Experience with public chains (BTC, ETH, TRON) node operations and RPC security.
• Awareness of common smart contract security vulnerabilities and audits.

Responsibilities

• Lead security architecture for wallets (cold/warm/hot) with key lifecycle management and compliance.
• Manage MPC and multi-signature policies and disaster recovery drills.
• Hardening and operations for full nodes and RPC interfaces on major chains.
• Audit security of interactions with external smart contracts and on‑chain assets.

Skills

Web3 Security

Blockchain Security

Key Management

Disaster Recovery

Smart Contract Audits

Education

Bachelor’s degree in CS or related

Tools

MPC

TSS

Job description

Coins is seeking a Blockchain Security Engineer in the Philippines to lead wallet security architecture, MPC policy management, and on‑chain safeguards. You will oversee private key lifecycle, disaster drills, and multi‑sig configurations across major networks.

You will also audit interactions with external contracts and ensure robust protection against on‑chain vulnerabilities, while collaborating with cross‑functional teams to strengthen customer asset security.