Senior C++ Market Data Engineer

IO TECH SOLUTIONS LIMITED; Hong Kong; On-site; HKD 700,000 - 1,200,000; Full time

Job summary

IO TECH SOLUTIONS LIMITED in Hong Kong is seeking a Senior Market Data Engineer to design and optimize high-performance market data infrastructure supporting global trading activities. You will design scalable data pipelines, implement feed handlers, and ensure data quality across multiple exchange feeds and tick data.

Responsibilities include building real-time and historical data systems, integrating new feeds, validating data, and mentoring junior engineers in a fast-paced trading tech

Qualifications

• 5+ years of software engineering experience in market data, trading systems or financial technology.
• 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.
• Good understanding of market microstructure and electronic trading concepts.
• Experience with global exchanges or derivatives market data is advantageous.
• Fluency in Mandarin and English is required to collaborate with regional stakeholders.

Responsibilities

• Design and implement scalable market data pipelines for high-frequency trading environments.
• Build and maintain systems for processing, parsing and normalizing raw exchange data.
• Develop real-time and historical market data infrastructure with emphasis on quality and reliability.
• Integrate new exchange feeds and onboard global markets.
• Implement data validation and reconciliation to ensure accuracy.
• Collaborate with trading, research and engineering teams and mentor junior engineers.

Skills

C++

Market data

Tick data

Order book data

Feed handlers

Exchange protocols

Binary parsing

PCAP processing

Market microstructure

Mandarin & English

Tools

-

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.