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Senior Java Trading Systems Developer

Company:
Phaxis LLC
Location:
Manhattan, NY, 10261
Posted:
May 27, 2026
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Description:

We are seeking a Senior Java Trading Systems Developer with strong experience in real-time pricing and electronic trading platforms within capital markets environments. The ideal candidate will have expertise building low-latency trading applications for equities, FX, fixed income, or derivatives products.

Responsibilities

Design and develop high-performance Java trading and pricing applications

Build and enhance low-latency pricing engines, market data, and order management systems

Develop real-time trading solutions supporting RFQ/RFS pricing, algorithmic trading, and risk analytics

Integrate applications with market data feeds, FIX protocol, and messaging platforms

Collaborate with traders, quants, and technology teams to deliver scalable trading solutions

Optimize application performance, multithreading, and latency-sensitive workflows

Support production trading environments and troubleshoot critical issues

Qualifications

8+ years of hands-on Core Java development experience

Strong background in trading systems and real-time pricing platforms

Experience with equities, FX, fixed income, derivatives, or algorithmic trading

Expertise in multithreading, concurrency, and low-latency application development

Experience with messaging technologies such as Kafka, Solace, Aeron, JMS, or RabbitMQ

Knowledge of FIX protocol and market data integration

Strong SQL and Linux/Unix experience

Preferred Skills

Experience with AWS or cloud-based trading platforms

Exposure to Python or C++

Understanding of risk systems and pricing models

Agile/Scrum experience

Job Type: Full-Time, Permanent

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