Sr. Java Full Stack Engineers (KDB+)

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.