Skip to content

Senior Software Engineer

  • Hybrid
    • Chicago, Illinois, United States
    • New York, New York, United States
    +1 more
  • $45 - $57 per hour
  • Information Technology

Senior Core Java Engineer for low-latency trading systems. Expertise in concurrency, Disruptor, order books, market data streaming, microservices, performance tuning, GCP, PostgreSQL, and AI tools.

Job description

Position Overview

We are seeking a Senior Software Engineer with strong expertise in low-latency, high-performance Core Java development to support and enhance electronic trading systems. The ideal candidate will have hands-on experience building and maintaining high-throughput market applications, working with real-time streaming data, and optimizing systems for performance, concurrency, and scalability.

Key Responsibilities

  • Design, develop, and maintain low-latency trading and market data applications.

  • Build and enhance microservices-based trading platforms.

  • Process and manage thousands of market quotes per second from multiple sources.

  • Support production trading systems and troubleshoot performance issues.

  • Collaborate within a small engineering team on feature development and system enhancements.

  • Optimize application performance through benchmarking, profiling, and tuning.

  • Implement advanced Core Java techniques including concurrency, primitive specialization, and zero-allocation programming.

  • Apply low-latency design patterns such as Disruptor and lock-free programming.

  • Work with order book mechanics and electronic trading workflows.

  • Deploy and support applications in GCP and on-premise environments.

  • Utilize Docker for deployment and containerization.

  • Work with PostgreSQL and MongoDB/Firebase environments.

  • Explore and leverage AI-assisted development tools, including Gemini and Agentic AI solutions.

Job requirements

Required Skills

  • 5+ years of software engineering experience.

  • Strong Core Java development experience.

  • Experience with low-latency or high-frequency trading systems.

  • Knowledge of electronic trading and market data systems.

  • Expertise in Java concurrency and high-throughput application design.

  • Experience with lock-free programming and Disruptor patterns.

  • Understanding of order book mechanics and market structure.

  • Experience with micro-benchmarking and performance optimization.

  • Production support experience for critical trading applications.

  • Experience with PostgreSQL.

  • Exposure to GCP and/or on-premise infrastructure.

Preferred Skills

  • Docker and containerized deployments.

  • MongoDB and Firebase exposure.

  • Experience with Gemini AI tools and Agentic AI frameworks.

  • Knowledge of hardware, OS-level performance tuning, and cache optimization techniques.

or