Top Tech Jobs & Startup Jobs in Chicago, IL

Leads Information Systems and Helpdesk teams while owning enterprise infrastructure across Microsoft systems, Microsoft 365, hybrid cloud, virtualization, storage, communications, and endpoint security. Oversees high-availability platforms supporting trading operations, including deployments, migrations, patching, monitoring, incident response, lifecycle management, security, compliance, and capacity planning. Serves as the senior escalation point and partners with network, security, and leadership teams on infrastructure strategy and technology roadmaps.

Develop and test high-performance C++ applications for trading platforms. Collaborate with traders and experienced engineers to translate requirements into efficient solutions, while monitoring, profiling, and troubleshooting systems for reliability and stability. The role provides mentorship and exposure to the complete trading-system development lifecycle, including production support, performance tuning, multithreaded programming, and real-time systems.

Provide first-level support for trading applications, including user logins, account configurations, troubleshooting, production issue resolution, clearing support, vendor coordination, developer collaboration, and technical documentation. Support internal and external users through phone, email, and instant messaging while assisting with special projects and process improvements.

Develop and maintain options valuation and risk management systems. Responsibilities include full-cycle software development, requirements gathering, solution design, coding, code reviews, troubleshooting, performance improvements, documentation, and collaboration with traders, risk managers, quantitative analysts, and support teams. The role requires object-oriented programming, data analysis tools, and strong knowledge of mathematics, statistics, probability, stochastic calculus, numerical methods, and linear algebra.

Develop and test high-performance C++ applications for trading platforms. Collaborate with traders and senior engineers to translate requirements into efficient solutions, while monitoring, profiling, troubleshooting, and improving system reliability. Gain hands-on experience across the full trading-system development lifecycle in an on-site, highly collaborative environment.

Build and optimize low-latency C++ systems for market data processing, exchange connectivity, and order execution. Analyze performance across application, memory, CPU, networking, and operating-system layers. Collaborate with traders, FPGA engineers, and infrastructure teams, while owning production systems through design, testing, deployment, and real-time support.

Design, develop, and maintain high-performance C++ trading platform applications. Partner with traders and quantitative researchers to translate business needs into efficient technical solutions. Lead profiling, performance optimization, testing, code review, and release improvements while owning features from design through production support.

Supports ETF market-making by configuring and validating trading logic, onboarding products, managing venue and market-data dependencies, and analyzing production trading and execution data. Builds execution-quality metrics, identifies configuration and data-quality issues, automates validation and monitoring, supports testing and deployments, and develops productivity tools. Partners with traders and technology teams to improve workflows, controls, and trading strategies.

Looking for an experienced electronic options trader to manage risk across multiple products and collaborate with engineers and traders.

Seeking an experienced trader to enhance profitability through algorithm development and research in options pricing on a trading desk.