Java - Trading Systems Software Engineer

CPS, Inc.; New York (NY); On-site; USD 150,000 - 230,000; Full time

Job summary

CPS, Inc. is seeking a Java Trading Systems Developer to build and enhance high-performance trading applications supporting front-office trading and execution.

This role will collaborate with traders, quantitative researchers, and engineers to create reliable, scalable systems used in real-time financial markets. Responsibilities include designing and developing Java-based trading systems, building real-time event-driven applications, and optimizing latency and throughput while integrating with

Qualifications

• Expert Java development with focus on performance.
• Strong multithreading, concurrency, and JVM tuning.
• Experience building distributed, real-time, or high-throughput systems.
• Proficient with Linux development and troubleshooting.
• Familiarity with messaging, networking, and TCP/UDP.
• Knowledge of FIX or similar financial-market protocols.
• Experience with equities, futures, options, fixed income, FX is a plus.
• Background in proprietary trading, hedge funds, or financial tech is desirable.
• Strong analytical and problem-solving abilities.
• Ability to work in a fast-paced, collaborative environment.

Responsibilities

• Design and develop high-performance trading systems and services using Java.
• Build real-time, event-driven applications for order management, execution, market data, and trading workflows.
• Develop highly concurrent and multithreaded systems with a focus on performance, reliability, and scalability.
• Integrate with exchanges, brokers, market-data providers, and other electronic trading venues.
• Analyze and improve application latency, throughput, memory usage, and overall system performance.
• Work directly with traders and quantitative teams to understand requirements and deliver production solutions.
• Troubleshoot complex production issues across trading applications and infrastructure.
• Participate in system design, code reviews, testing, deployment, and ongoing platform improvements.

Skills

Java

Multithreading

Concurrency

Data structures

Algorithms

JVM performance

Distributed systems

High-throughput

Linux

Networking / TCP/UDP

FIX protocol

Job description

Java Trading Systems Developer

We are seeking a Java Trading Systems Developer to build and enhance high-performance trading applications supporting front-office trading and execution. This role will work closely with traders, quantitative researchers, and other engineers to develop reliable, scalable systems used in real-time financial markets.

Responsibilities

• Design and develop high-performance trading systems and services using Java.
• Build real-time, event-driven applications for order management, execution, market data, and trading workflows.
• Develop highly concurrent and multithreaded systems with a focus on performance, reliability, and scalability.
• Integrate with exchanges, brokers, market-data providers, and other electronic trading venues.
• Analyze and improve application latency, throughput, memory usage, and overall system performance.
• Work directly with traders and quantitative teams to understand requirements and deliver production solutions.
• Troubleshoot complex production issues across trading applications and infrastructure.
• Participate in system design, code reviews, testing, deployment, and ongoing platform improvements.

Qualifications

• Strong professional Java development experience.
• Solid understanding of multithreading, concurrency, data structures, algorithms, and JVM performance.
• Experience developing distributed, real-time, or high-throughput systems.
• Strong Linux development and troubleshooting skills.
• Experience with messaging technologies, networking, and TCP/UDP is preferred.
• Knowledge of FIX or other financial-market protocols is a plus.
• Experience with equities, futures, options, fixed income, FX, or other electronically traded products is preferred.
• Previous experience in proprietary trading, hedge funds, investment banking, exchanges, or financial technology is highly desirable.
• Strong problem-solving skills and ability to work in a fast-paced, collaborative environment.