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. 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 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 candidate’s educational and professional background. Base salary is one component of Trexquant’s total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt. Trexquant is an Equal Opportunity Employer