Low Latency Java Engineer

Citi•Jersey City, NJ
•$142,320 - $213,480•Hybrid

About The Position

The role is to provide senior, low-latency systems and application framework engineering (skilled in Java, C++ , Rust, KDB, market data, algorithmic trading technology) within the London Based High Performance Architectures (HPA ) team. The team require a specialist on algorithmic trading systems utilities including but not limited to market data replay and back test/simulation utilities. The HPA organization are a high skilled enablement group of Subject Matter experts - who produce application frameworks and engage with application engineers to enable application Modernisation to over 100 teams across Citi with a concentration on low latency eTrading platforms in Markets Technology.

Requirements

  • Demonstrated Subject Matter Expert (SME) in area(s) of Applications Development
  • In-depth experience with Algorithmic Trading application development, preferably in low latency environment
  • Detailed comprehension and experience with Market Data handling and associated technologies (such as time-series databases e.g. KDB)
  • Demonstrated leadership, project management, and development skills
  • Passion for coding excellent, commercial grade, mission critical Java frameworks based on event sourcing microservices.
  • Complete knowledge of modern Java, the JVM, the Linux Operating system, system calls and Kernel.
  • Knowledge of TCP and other IP based network protocol technologies including hardware accelerated kernel bypass e.g. Solarflare OpenOnload
  • Performance assessment and targeted tuning.
  • Design and architectural elegance.
  • Experience in implementing projects
  • Great communicator with high EQ.
  • Ability to occasionally produce clear diagrammatic documentation and model key aspects in UML sequence diagrams.
  • Relationship and consensus building skills

Nice To Haves

  • Background in C++

Responsibilities

  • 90% hands in the Java or Rust codebase. We build microservices based event sourcing systems on a low latency in-house framework. Response times in the 10 microsecond to 100 microsecond range.
  • Lead integration of functions to meet goals, deploy new products, and enhance processes
  • Analyse complex business processes, system processes, and industry standards to define and develop solutions to high level problems
  • Provide world class expertise in area of Java low latency development.
  • Utilize advanced knowledge of supported main system flows and comprehensive knowledge of multiple areas to achieve technology goals
  • Consult with end users to identify system function specifications and incorporate into overall system design
  • Influence and negotiate with senior leaders and communicate with external parties
  • Happy to work with and educate and support/mentor Junior developers and less experienced senior Java developers.

Benefits

  • medical, dental & vision coverage
  • 401(k)
  • life, accident, and disability insurance
  • wellness programs
  • paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
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