C++ Software Engineer

IO TECH SOLUTIONS LIMITED; Hong Kong; On-site; HKD 700,000 - 1,000,000; Full time

Job summary

IO TECH SOLUTIONS LIMITED in Hong Kong is seeking a skilled C++ Software Engineer to design, implement and support production-grade components that connect trading venues, liquidity providers and internal consumers.

You will collaborate with infrastructure, QA and security teams, owning architecture for connectivity, order flow and market-data ingestion, and you will contribute across the software lifecycle.

Qualifications

• 4+ years of experience building large-scale market systems.
• Strong C++ skills in financial services.
• Deep knowledge of networking, IPC, and market-data feeds.
• Experience with databases, message buses, and CI pipelines.

Responsibilities

• Design and develop high-performance, low-latency market access components.
• Own architecture for connectivity, order flow, gateway and data ingestion.
• Contribute across coding, reviews, deployment and incident response.
• Collaborate with stakeholders to translate requirements into robust designs.
• Identify risks and ensure security and compliance best practices.

Skills

C++

Low-latency

Finance infra

Networking

IPC

CI/CD

Market data

Tools

Databases

Message buses

Telemetry

CI pipelines

Job description

My client, a top buy-side, is seeking a skilled C++ SoftwareEngineer to join the Hong Kong team. You'll design, implement and support production-grade components that connect trading venues, liquidity providers and internal consumers while partnering closely with infrastructure, QA and security teams.

Key Responsibilities:

• Design and develop high-performance, low-latency market access and trading components in C++
• Own architecture and system analysis for connectivity, order flow, gateway and market-data ingestion services; produce clear design docs, functional specs and test plans.
• Contribute across the software lifecycle: coding, code review, deployment and production support/incident response.
• Collaborate with business stakeholders to refine requirements and translate them into robust, production-ready designs.
• Identify and mitigate technical and operational risks, enforce security and compliance best practices.

What You'll Bring:

• 4+ years relevant experience building large-scale, mission-critical market systems or low-latency financial infrastructure.
• Strong C++ skills within the financal services sector.
• Deep understanding of networking, IPC, multicast/unicast market-data feeds, order routing, and performance tuning.
• Solid experience with databases, message buses, real-time telemetry, and automated testing/CI pipelines.
• Practical knowledge of production support and incident management.