Sr. Java Full Stack Engineer

Anywhere

Type:
Contract

Category:
Development

Industry: Financial Services

Workplace Type:
Remote

Standard

Hours:

Open

Reference  -

Date Posted: 10/15/2026

Remote

Our client seeks a Sr. Java Full Stack Engineer to lead the design and development of next-generation electronic trading systems within a high-performing Trade Management Engineering group. You will architect distributed, event-driven platforms optimized for low latency and high throughput, collaborate across internal and external teams, mentor engineers, and drive platform performance, scalability, and resilience. You will support production and non-production environments and participate in an on-call rotation.

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: $70.00 to $80.00/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.
• Solid understanding of the FIX protocol and FIX engines.
• Experience with AI developer assist tools such as Git Hub Copilot.
• Experience with CI/CD tools such as 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 thrive 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.

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (, ) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position.

All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools,…