Senior KDB+ Developer

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Senior KDB+ Developer in Others new

Citi
Full time
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Others
11/11/2026
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Hong Kong, Hong Kong

Responsibilities

Design, develop, maintain, and support high-frequency, low-latency KDB+ systems for equities electronic trading analytics.
Build and maintain data platforms supporting data ingestion, storage, retrieval, analytics generation, and trading.
Process market data and generate analytics from required datasets.
Optimize KDB+ applications for scaling, load balancing, high availability, large datasets, and query performance.
Collaborate with product development, technology, production support, quality assurance, and management teams on integrations and product improvements.
Resolve complex, high-impact business and systems problems and maintain coding, testing, debugging, and implementation standards.
Use Citi’s AI-powered development tools throughout the software development lifecycle.
Advise and coach mid-level developers and analysts and allocate work as needed.

Requirements

At least 5 years of professional experience with KDB+.
6–10 years of relevant experience in application development or systems analysis.
Strong understanding of KDB+ technology and the Q language.
Knowledge of FIX protocol and experience handling order and market datasets.
Practical experience with KDB+ application scaling, load balancing, high-availability architectures, large-dataset development, and query performance optimization.
Preferred experience in markets electronic trading or market-making domains.
Bachelor’s or university degree, or equivalent experience.
Ability to prioritize multiple tasks, set goals, and meet deadlines.

Benefits

Full-time role with a hybrid work arrangement.

Citi

Citi is a public financial-services company offering consumer and institutional banking, credit cards, wealth management, treasury and trade solutions, and capital-markets services. It serves individuals, corporations, financial institutions, and governments in more than 160 countries and jurisdi...

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