Senior C++ Market Data Engineer

IO TECH SOLUTIONS LIMITED; Hong Kong; On-site; HKD 700,000 - 1,100,000; Full time

Job summary

IO TECH SOLUTIONS LIMITED is partnering with a technology-driven trading firm to hire a Senior Market Data Engineer. You will build scalable market data infrastructure for global operations, with emphasis on high-performance pipelines and data quality.

Responsibilities include designing real-time and historical data systems, integrating new exchange feeds, and ensuring accuracy across markets. Mandarin and English fluency are required; you will mentor junior engineers and contribute to

Qualifications

• 5+ years of software engineering experience in market data, trading systems or fintech.
• Strong proficiency in C++.
• Experience with exchange market data, tick data or order book data.
• Hands-on experience with feed handlers, exchange protocols, binary message parsing or PCAP processing is highly desirable.
• Fluency in Mandarin and English is required to collaborate with regional stakeholders.

Responsibilities

• Design and develop scalable market data pipelines for high-frequency trading environments.
• Build and maintain solutions for processing, parsing and normalizing raw exchange market data.
• Develop historical and real-time market data infrastructure with a focus on data quality and reliability.
• Integrate new exchange feeds and support onboarding across global markets.
• Implement data validation and reconciliation processes to ensure accuracy and consistency.
• Collaborate closely with trading, research and engineering teams to deliver high-quality market data solutions.
• Mentor junior engineers and contribute to engineering best practices.

Skills

Market data engineering

C++

Trading systems

Data pipelines

Problem solving

English & Mandarin

Tools

Feed handlers

Exchange protocols

Binary parsing

PCAP processing

Job description

We are partnering with a leading technology-driven trading firm seeking an experienced Senior Market Data Engineer to build and enhance high-performance market data infrastructure supporting global trading operations.

Responsibilities

• Design and develop scalable market data pipelines for high-frequency trading environments.
• Build and maintain solutions for processing, parsing and normalizing raw exchange market data.
• Develop historical and real-time market data infrastructure with a focus on data quality and reliability.
• Integrate new exchange feeds and support onboarding across global markets.
• Implement data validation and reconciliation processes to ensure accuracy and consistency.
• Collaborate closely with trading, research and engineering teams to deliver high-quality market data solutions.
• Mentor junior engineers and contribute to engineering best practices.

Requirements

• 5+ years of software engineering experience in market data, trading systems or financial technology.
• Strong proficiency in C++.
• Experience working with exchange market data, tick data or order book data.
• Hands-on experience with feed handlers, exchange protocols, binary message parsing or PCAP processing is highly desirable.
• Good understanding of market microstructure and electronic trading concepts.
• Experience with global exchanges or derivatives market data is advantageous.
• Strong problem-solving skills and ability to work in a fast-paced environment.
• Fluency in Mandarin and English is required to collaborate with regional stakeholders.

Nice to Have

• Experience with historical tick data platforms.
• Knowledge of MBO/MBP data models.
• Familiarity with market data vendors or direct exchange connectivity.
• Experience in low-latency or high-performance systems.