Top Tech Jobs & Startup Jobs in Chicago, IL

Develop and enhance performance-critical C++ applications for ultra-low latency trading systems, collaborating across teams to analyze and optimize performance.

Seeking an experienced Quantitative Trader for high-frequency trading alphas in futures markets, focusing on data analysis, model validation, and technology stack contributions.

Join a trading desk to learn systematic market making, provide electronic liquidity, manage dynamic options exposures, and run quantitative projects including settings optimization, market microstructure research, performance monitoring, and options pricing analyses.

Join an on-site Chicago team building high-performance C++ trading systems. Design, develop, test, profile, and troubleshoot low-latency applications while collaborating with traders and senior engineers. Receive mentorship, training on markets, and exposure to production lifecycle and performance tuning.

Join an on-site Chicago team building high-performance C++ trading systems. Contribute to design, development, testing, profiling, and troubleshooting. Collaborate with traders and senior engineers, receive mentorship, and gain exposure to the full lifecycle of low-latency trading platform development.

Design, implement, and support low-latency, high-availability network infrastructure for real-time trading. Own projects across data centers, troubleshoot complex network and latency issues, perform maintenance and upgrades, monitor capacity, document systems, and participate in on-call rotation while collaborating with software engineers and traders.

Design, implement, and maintain C++ components for a global electronic trading platform. Collaborate on system design, perform code reviews, troubleshoot production issues, and improve system stability while participating across the software development lifecycle.

Support and maintain live trading systems: monitor performance, troubleshoot production incidents, certify exchange links (FIX), maintain infrastructure, build monitoring and reporting tools, collaborate with traders, developers, and vendors, and document processes and workarounds.

Develop and maintain primarily desktop full‑stack applications using .NET and SQL Server. Design, implement, test, and support solutions, troubleshoot issues, uphold software engineering best practices, and collaborate with developers and traders to deliver business-focused functionality.