Crypto Wallet Security Engineer

Medium; Taguig; On-site; PHP 900,000 - 1,300,000; Full time

Job summary

Coins, the leading Philippine crypto brand, is seeking a security specialist to safeguard wallet infrastructure and on-chain operations. You will oversee private key lifecycle, MPC strategies, multi-signature configurations and node security for BTC, ETH and TRON.

Join a regulated, fast-growing team with cross‑functional collaboration and opportunities to shape secure, scalable financial services for millions of users.

Qualifications

• Bachelor’s degree or above in Computer Science, Cybersecurity, or related fields; 1–3 years in Web3 or blockchain security.
• Knowledge of MPC, TSS threshold signatures, and on-chain multi-signature mechanisms.
• Experience with wallet security, private key management, and encrypted storage.
• Experience securing nodes and RPC interfaces on major chains (BTC, ETH, Tron).
• Ability to audit smart contract interactions and identify vulnerabilities.

Responsibilities

• Lead and maintain the wallet security architecture for cold, warm, and hot wallets.
• Manage MPC and multi-sig strategy, disaster recovery drills and policy configuration.
• Hardening and operation of full nodes and RPC interfaces for major chains.
• Audit security of interactions with external smart contracts like USDT/USDC and DEXs.

Skills

Wallet security

MPC / threshold signatures

On‑chain security

Smart contract security audits

Public/private key management

Cryptography fundamentals

Education

Bachelor’s degree in Computer Science or related

Tools

FIPS 140-2/3

Cold/Hot wallet architecture

Disaster recovery drills

Job description

Coins, the leading Philippine crypto brand, is seeking a security specialist to safeguard wallet infrastructure and on-chain operations. You will oversee private key lifecycle, MPC strategies, multi-signature configurations and node security for BTC, ETH and TRON.

Join a regulated, fast-growing team with cross‑functional collaboration and opportunities to shape secure, scalable financial services for millions of users.