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VP Low-Latency Electronic Trading Java Data Systems Engineer at Citi - ApplyBlast

VP Low-Latency Electronic Trading Java Data Systems Engineer

Citi

5 months ago

3.6 on Glassdoor

Remote

Full Time

Senior

0 applicants

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About this role

Citi’s Equities Technology organization is seeking a Low-_latency Java Data Systems Engineer to join the Equities Electronic Execution technology team. This role is focused on building and operating the data-plane foundations of Citi’s electronic trading ecosystem.

Responsibilities

Design and build low-latency Java data pipelines that process order lifecycle and market data events with strict guarantees around ordering, sequencing, determinism, and replay.
Develop GC-sensitive, data-plane Java systems, using off-heap memory, binary protocols, and low-contention concurrency to achieve predictable latency.
Implement resilient fan-out, back-pressure, and recovery mechanisms to support multiple downstream consumers without compromising latency or correctness.
Work directly with FIX and exchange-driven message flows, handling sequencing gaps, snapshot/replay, session lifecycle, and state reconstruction.
Integrate real-time and near-real-time event streams into KDB+/q-based data platforms for analytics, TCA, and regulatory use cases.

Skills

Qualifications

Bachelor's degree in Computer Science, Engineering, or related field7 years of experience with Low-latency Java, C++, or RustExperience with market data and/or order lifecycle event processingExperience integrating real-time systems with KDB+/q or equivalent time series platformsExperience developing electronic trading platforms in a global financial institution

About Citi

citi.com

Company Size

1-10 employees

Founded

2025

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Citibank offers multiple banking services that help you find the right credit cards, open a bank account for checking, & savings, or apply for mortgage & personal loans.