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Susquehanna International Group

Global quantitative trading, liquidity provision, research

Trading Systems Performance Engineer - Emo, Experienced Hire

Quantitative DevelopmentPosted on Nov 5
Full-timeDublin, IrelandNo salary listedIn-person

About the Job

Requirements

  • Candidates must be highly motivated, meticulous, articulate, and deeply curious about technologies used in a trading environment.
  • Candidates must have excellent software development, testing, troubleshooting, and analysis skills using C, C++, and C#.
  • Candidates must have extensive knowledge of computer internals, operating systems, and networking.
  • Candidates must have data analysis experience in Python using Jupyter Notebooks.
  • Candidates must have Python and PowerShell scripting experience.

Responsibilities

  • Work with innovative technologies used in financial trading.
  • Recreate complex low-latency trading topologies and scenarios in the dedicated lab environment.
  • Work as part of a team to solve challenging problems.
  • Work with stakeholders to identify and formulate lab testing scenarios.
  • Use the dedicated lab and developed tools to explore and test innovative trading scenarios and prove or disprove hypotheses.
  • Identify, recommend, implement, and drive optimizations in the production trading environment based on testing results.
  • Analyze production trading and lab network data from many sources and formats.
  • Develop expertise across the low-latency trading environment.
  • Drive testing automation efforts.
  • Work with external vendors and companies on new products, features, and technologies for ultra-low-latency trading.

Desired Qualifications

  • Experience in a low-latency trading environment.
  • Practical knowledge of BGP, IGMP, PIM, Ethernet, IP, UDP, TCP, and LLDP network protocols.
  • Experience using FPGAs and low-latency networking technologies such as Solarflare and kernel bypass.
  • Knowledge or experience of data center operations.

About the Company

Susquehanna International Group

Global quantitative trading, liquidity provision, research

Susquehanna International Group (SIG) is a global quantitative trading firm that provides liquidity in equities, fixed income, commodities, and derivatives for institutional clients. Its core approach combines cutting-edge technology with quantitative research to build algorithms and models that identify trading opportunities and manage risk, enabling efficient, profitable trading. SIG differentiates itself through its deep emphasis on data-driven decision making, advanced technology, broad asset class coverage, and a strong global presence with offices in North America and regulated international locations. The company aims to generate trading profits by executing well-priced trades while supporting the careers of professionals in trading, technology, and quantitative research, all within a privacy-conscious framework.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Lower Merion Township, Pennsylvania
Founded
1987

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