Senior FIX Engineer

5 days ago

London, Greater London, United Kingdom CMC Markets Full time

Job Title: Senior FIX Engineer

Company: CMC Markets

Job Type: Full-time

Location: London, UK

About Us: CMC Markets is a leading online trading platform providing financial markets access to individuals and institutions.

Job Summary:

We are seeking a highly skilled Senior FIX Engineer to join our Institutional Core Services team. As a Senior FIX Engineer, you will be responsible for designing, implementing, and maintaining ultra-low latency FIX APIs, handling real-time market data distribution, and providing on-call technical support.

Key Responsibilities:

  • Design and implement ultra-low latency FIX APIs using Java and specialized low latency programming techniques.
  • Handle distribution of real-time market data to customers across various asset classes, including CFD, FX, cash equity, and algorithmic orders.
  • Provide on-call technical support outside UK office hours to ensure seamless trading operations.
  • Collaborate with experienced engineers to build and maintain mission-critical FIX APIs.

Requirements:

  • Excellent knowledge of the FIX messaging protocol (version 4.4 and later).
  • Strong understanding of Java (21) and low latency programming principles.
  • Experience with Artio FIX engine, Aeron Transport, Aeron Cluster, and Simple Binary Encoding (SBE).
  • Proven track record of building robust mission-critical systems with high fault tolerance.
  • Passion for problem-solving and innovation.
  • Strong communication skills and experience with automated unit and integration testing.
  • Experience with CI/CD and microservice design.

Desirable Skills:

  • Java and Linux performance testing and optimization.
  • Good understanding of transport protocols TCP/IP, UDP.
  • Exposure to electronic trading systems and trading workflows.

About the Role:

This is an exciting opportunity to join a leading online trading platform and contribute to the development of our Institutional business. As a Senior FIX Engineer, you will work closely with experienced engineers to build and maintain mission-critical FIX APIs, ensuring seamless trading operations and high-quality customer experience.

What We Offer:

CMC Markets offers a competitive salary, comprehensive benefits package, and opportunities for professional growth and development. If you are a motivated and experienced FIX engineer looking for a new challenge, please submit your application.

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