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    {"title": "Senior FIX Engineer", "content": "Job SummaryCMC Markets is seeking a highly skilled Senior FIX Engineer to develop and enhance the technology underpinning our rapidly growing Institutional business.As part of the Institutional Core Services team, you will work alongside experienced engineers building and maintaining mission critical FIX APIs,...

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    {"title": "Senior FIX Engineer", "content": "Job SummaryCMC Markets is seeking a highly skilled Senior FIX Engineer to develop and enhance the technology underpinning our rapidly growing Institutional business.As part of the Institutional Core Services team, you will work alongside experienced engineers building and maintaining mission critical FIX APIs,...

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Senior FIX Engineer

2 months ago

London, Greater London, United Kingdom CMC Markets Full time

**About CMC Markets**

We are a leading online trading platform, providing a wide range of financial products and services 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 distribution of real-time market data to customers, and providing on-call technical support outside UK office hours.

**Key Responsibilities**

  • Design, implement, and maintain ultra-low latency FIX APIs
  • Handle distribution of real-time market data to customers
  • Handle order instructions across a variety of asset classes, including CFD, FX, cash equity, and algorithmic and advanced order strategies
  • Utilize Java with specialized low latency programming and optimization techniques
  • Provide on-call technical support outside UK office hours

**Requirements**

  • Excellent knowledge of the FIX messaging protocol
  • Excellent knowledge of Java
  • Understanding of low latency programming principles, including garbage reduction, lock and wait free algorithms, cache friendly algorithms, non-blocking I/O, unshared state, processor affinity, busy waiting
  • Experience with Artio FIX engine
  • Experience with Aeron Transport, Aeron Cluster
  • Experience with Simple Binary Encoding (SBE)
  • Proven track record building robust mission critical systems with a high degree of fault tolerance
  • Passion for problem solving and innovation
  • Strong communication skills
  • Experience with automated unit and integration testing
  • Experience with CI/CD

**Nice to Have**

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

**What We Offer**

CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual orientation, marital or civil partner status, gender reassignment, race, color, nationality, ethnic or national origin, religion or belief, disability or age.