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TrexquantTrexquantStamford, CT

Lead Trading Systems Engineer (USA)

Leads design and evolution of core trading, research, and simulation infrastructure, building scalable low-latency systems in Linux with C++/Python. Requires 6+ years experience in high-performance trading systems and collaboration with quant researchers.

175k – 200k/yr
On-site6+ YOEBackend Engineering

About the role

Responsibilities

  • Design, build, and enhance core infrastructure systems that support trading, research, and operations, including integration with the firm’s Order Management System (OMS).
  • Architect and develop a high-performance multi-asset simulation and backtesting platform capable of supporting strategy research, backtesting, and deployment across equities, futures, fixed income, and derivatives.
  • Evaluate existing systems to identify bottlenecks and implement improvements that enhance scalability, performance, and security.
  • Collaborate with quantitative researchers and cross-functional teams to ensure the platform accurately models market dynamics, transaction costs, and execution behavior while aligning technical initiatives with a long-term infrastructure roadmap.
  • Design and optimize scalable data and compute infrastructure for low-latency, high-throughput processing of large-scale market data across simulation and production trading.
  • Improve caching, time-series management, and distributed computation while keeping the simulation & backtesting framework modular and scalable.
  • Oversee the development, integration, and deployment of systems and tools in C++, Python, and Linux environments.
  • Provide mentorship and technical guidance to engineers and researchers while staying current with emerging technologies and industry best practices.

Requirements

  • Bachelor’s, Master’s, or Ph.D. in Computer Science, Engineering, Mathematics, or a related STEM field.
  • 6+ years of experience building high-performance trading, simulation, or research infrastructure within Linux environments.
  • Expert-level proficiency in one of these programming languages: C++ (C++17/20), Java, or Python, with strong knowledge of algorithms, concurrency, data structures, and systems architecture. Preference for C++.
  • Experience architecting scalable, low-latency, high-throughput systems in Linux-based production environments.
  • Knowledge of market microstructure, execution systems, and simulation or backtesting methodologies.
  • Experience designing or supporting OMS, execution, or comparable trading infrastructure.
  • Excellent communication skills and ability to collaborate effectively across engineering and research teams.
  • Financial industry experience is a plus, but not required.

Benefits

  • Competitive salary plus bonus based on individual and company performance.
  • Collaborative, casual, and friendly work environment.
  • PPO Health, dental and vision insurance premiums fully covered for you and your dependents.
  • Pre-tax commuter benefits.
  • Weekly company meals.

Base salary range: $175,000 - $200,000 depending on the candidate’s educational and professional background. Base salary is one component of total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt.

Skills

C++PythonJavaLinuxAlgorithmsConcurrencyData StructuresSystems ArchitectureTime-SeriesDistributed ComputingMarket MicrostructureBacktestingOms
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