Senior Java Engineer

Overview

On‑site in Jersey City, NJ.

Our client seeks a highly experienced software engineer to lead the design and development of next‑generation trading systems. This hands‑on technical leadership role focuses on building scalable, resilient, and high‑performance trading infrastructure. You will collaborate across teams, mentor engineers, and drive innovation in a mission‑critical environment.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $80.00 to $90.00/hr. w2

• Architect and develop distributed, event‑driven trading systems optimized for low latency and high throughput.
• Design and implement asynchronous processing frameworks and resilient messaging services.
• Collaborate with internal and external teams to deliver robust, end‑to‑end trading workflows.
• Lead performance tuning and optimization efforts across the platform.
• Mentor junior engineers and promote engineering best practices.
• Support production and non‑production environments, including participation in a weekly on‑call rotation.

• 10+ years of hands‑on software design and development experience.
• Expertise in Java, Python, and Linux.
• Deep experience with low latency messaging systems such as 29
  
  West or Kafka.
• Proficiency in KDB+ or other time‑series databases.
• Background in building scalable, distributed, asynchronous, and event‑driven applications.
• Advanced knowledge of low latency design patterns and performance optimization techniques.
• Experience with Capital Markets or Brokerage systems, especially order management.
• Understanding of the FIX protocol and FIX engines.
• Experience with AI developer assist tools such as Git Hub Copilot.
• Experience with CI/CD tools including Git Hub, Maven, Jenkins, Artifactory, and uDeploy.
• Hands‑on experience deploying applications to AWS or other cloud platforms.
• Strong analytical, communication, and organizational skills.
• Ability to manage multiple tasks and work in a collaborative team environment.
• Willingness to support production systems and participate in on‑call rotations, including occasional weekend support.

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or equivalent.