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Sr. Java Full Stack Engineers (KDB+) $80/hr on W2

Cybotic System

Position: Sr. Java Full Stack Engineer

Location: Remote (USA) Office location Jersey City, NJ

Must-Have Skills:

  • Java & Spring Boot Development
  • KDB+ / q Language Experience
  • FIX Protocol / FIX Engine
  • AWS Cloud
  • Capital Markets / Trading / Brokerage Domain Experience

Highly Preferred (Top Priority):

  • Low-Latency Trading Systems
  • Kafka or 29West Messaging
  • Python & Linux
  • Event-Driven Distributed Systems

We are seeking a highly experienced software engineer to lead the design and development of next-generation trading systems. This is a hands-on technical leadership role focused on building scalable, resilient, and high-performance trading infrastructure. You’ll collaborate across teams, mentor engineers, and drive innovation in a mission-critical environment.

  • 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.

Qualifications Required:

  • Bachelor’s degree in computer science, Engineering, Information Technology, or equivalent.
  • 10+ years of hands-on software design and development experience.
  • Expertise in Java, Python, and Linux.
  • Deep experience with low latency messaging systems (e.g., 29West, Kafka).
  • Proficiency in KDB+ or other time-series databases.
  • Strong 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.
  • Solid understanding of the FIX protocol and FIX engines.
  • Worked with AI developer assist tools (e.g. GitHub Copilot).
  • Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy.
  • Hands-on experience deploying applications to AWS or other cloud platforms.
Vacancy posted 5 days ago
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