Kdb+/Q Engineer

Citadel Securities; Hong Kong; On-site; HKD 900,000 - 1,400,000; Full time

Job summary

Citadel Securities in Hong Kong seeks a Kdb+/Q Engineer to design and build data and analytics platforms powering real-time trading and quantitative research across global markets. You will collaborate with traders, researchers, and engineers to deliver high-performance solutions for large-scale market data.

You will contribute to architecture and evolution of our Global Trading Applications platform, advancing time-series analytics, streaming data, and distributed computing with a focus on

Qualifications

• Strong experience developing production applications using Kdb+/Q at scale.
• Experience building market data, analytics, electronic trading, or quantitative research platforms.
• Proficiency in one or more programming languages such as Python, Java, or C++.

Responsibilities

• Design and build high-performance Kdb+/Q platforms that support real-time research, streaming analytics, and trading workflows across global markets.
• Partner directly with traders, quantitative researchers, and engineers to deliver technology that drives business outcomes.
• Develop scalable solutions for large-scale market data, time-series analytics, and distributed computing challenges.
• Contribute to the architecture and evolution of our Global Trading Applications platform, which supports trading, data, and analytics workflows across the firm.
• Drive engineering excellence through thoughtful design, automation, and operational best practices.

Skills

Kdb+/Q

Python

C++

Linux

Collaboration

Education

Bachelor's degree in Computer Science/Engineering/Math

Job description

As a Kdb+/Q Engineer within our Global Trading Applications team, you will design and build data and analytics platforms that power trading and quantitative research across global markets. Working closely with traders, quantitative researchers, and engineers, you will develop high-performance solutions for real-time and historical market data at significant scale. This role offers the opportunity to work on a large-scale Kdb+/Q environment supporting critical trading, research, and analytics workflows.

Responsibilities

• Design and build high-performance Kdb+/Q platforms that support real-time research, streaming analytics, and trading workflows across global markets
• Partner directly with traders, quantitative researchers, and engineers to deliver technology that drives business outcomes
• Develop scalable solutions for large-scale market data, time-series analytics, and distributed computing challenges
• Contribute to the architecture and evolution of our Global Trading Applications platform, which supports trading, data, and analytics workflows across the firm
• Drive engineering excellence through thoughtful design, automation, and operational best practices

Qualifications

• Strong experience developing production applications using Kdb+/Q at scale
• Experience building market data, analytics, electronic trading, or quantitative research platforms
• Proficiency in one or more programming languages such as Python, Java, or C++
• Strong Linux and distributed systems knowledge
• Ability to collaborate effectively with technical and front-office stakeholders
• Bachelor's degree in Computer Science, Engineering, Mathematics, or a related technical field