Senior Blockchain Engineer: Build Secure Production Systems

Time Seventeen; Hong Kong; On-site; HKD 700,000 - 1,100,000; Full time

Job summary

Time Seventeen designs and operates secure blockchain infrastructure connecting on-chain liquidity, custody, settlement, and market data. You will own production integrations across chains, protocols, wallets, and custody providers to ensure robust, scalable operations.

We value clear thinking and direct communication; you’ll lead incident response, review security risks, and help shape engineering practices in a high-ownership, result-driven team.

Qualifications

• Proven experience building production blockchain or distributed systems.
• Deep knowledge of transaction lifecycle, signing, RPC infrastructure, and chain data.
• Security-first mindset; experience operating mission-critical systems.
• Proficiency in Rust, Go, TypeScript, Python, or Solidity.

Responsibilities

• Own production integrations across chains, protocols, wallets, and custody providers.
• Design reliable transaction, indexing, reconciliation, and monitoring systems.
• Review smart-contract and protocol risks and establish secure engineering practices.
• Lead incident response and technical decisions for critical on-chain workflows.

Skills

Blockchain

Distributed systems

Security mindset

Rust

Go

TypeScript

Python

Solidity

Job description

Time Seventeen designs and operates secure blockchain infrastructure connecting on-chain liquidity, custody, settlement, and market data. You will own production integrations across chains, protocols, wallets, and custody providers to ensure robust, scalable operations.

We value clear thinking and direct communication; you’ll lead incident response, review security risks, and help shape engineering practices in a high-ownership, result-driven team.