Lead Trading Systems Engineer
trexquant
information technology
Job Description:
Trexquant is looking for a senior technologist to lead the design and evolution of our core trading, research, and simulation infrastructure. This role involves architecting and building scalable, low-latency systems in Linux environments, collaborating closely with quantitative researchers & engineers, and driving next-generation simulation and execution platforms.
Daily Responsibilities:
Design, build, and enhance core infrastructure systems that support trading, research, and operations, including integration with the firms 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.
Job Requirements:
Bachelors, Masters, 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.
Compensation:
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
Applications are open for both Stamford and New York City offices, the latter with a planned opening in October 2026.
The base salary range is $175,000 - $200,000 depending on the candidates educational and professional background. Base salary is one component of Trexquants total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt.
Job Location(s):
Stamford, Connecticut
Source:
Company Career Section
Competition:
N/A
Is there an interview guide for trexquant?
Yes
Click Here for Company Interview Guide
Apply Now
By clicking on the apply button , the applicant will be redirected to original job posting

Data Engineer
castletoncommoditiesinternational

C++ Trading And Simulator Engineer
trexquant

Quantitative Developer
trexquant

C++ Market Data Engineer
trexquant

Senior Platform Engineer
castletoncommoditiesinternational

Data Vendor Specialist
trexquant

Director of Alpha Capture
trexquant

Quantitative Researcher Futures
trexquant

Associate Technology & Digital Officer
spencerstuart

Head of Systematic ETF Strategy
trexquant
ITT is moving from White Plains, New York, to Washington Blvd. in Stamford.
