Crypto Wallet Security Engineer: MPC & On-Chain Defense

Coins.ph; Taguig; On-site; PHP 900,000 - 1,600,000; Full time

Job summary

Coins.ph in the Philippines is seeking a security-focused professional to lead wallet security architecture, MPC management, and on‑chain security for major networks. You will also review smart contract interactions to prevent vulnerabilities and ensure asset protection.

The role requires hands-on experience with crypto wallets, MPC, and disaster recovery, with a strong emphasis on risk assessment and security best practices. Join a fast-growing crypto platform regulated in the Philippines.

Qualifications

• Bachelor’s degree or higher in CS, cybersecurity, cryptography, software engineering, or blockchain.
• 1–3 years of Web3 or blockchain security experience preferred.
• Knowledge of MPC, TSS thresholds, and on‑chain multi‑sig systems.
• Familiarity with major public chains and node operation and RPC security hardening.
• Experience auditing smart contracts for security vulnerabilities.

Responsibilities

• Lead and maintain security architecture for crypto wallets (cold, warm, hot).
• Manage MPC wallets and multi‑sig strategy, including disaster drills.
• Hardening and day‑to‑day security of on‑chain nodes and RPC interfaces for BTC, ETH, Tron.
• Audit interactions with external smart contracts (USDT, USDC, DEXs) for vulnerabilities.

Skills

Key management

Cryptography basics

MPC & multi-signature

On-chain security

Smart contract security

Disaster recovery & risk assessment

Education

Bachelor's degree in CS/Cybersecurity/Software Engineering/Blockchain

Tools

RPC security tooling

Smart contract audit tools

Job description

Coins.ph in the Philippines is seeking a security-focused professional to lead wallet security architecture, MPC management, and on‑chain security for major networks. You will also review smart contract interactions to prevent vulnerabilities and ensure asset protection.

The role requires hands-on experience with crypto wallets, MPC, and disaster recovery, with a strong emphasis on risk assessment and security best practices. Join a fast-growing crypto platform regulated in the Philippines.