Senior Software Engineer (C++)

Fintal Partners
Chicago, Illinois, United StatesFull-timePosted Aug 30, 2026

About the role

We are partnering with a leading proprietary trading firm seeking a talented Senior C++ Developer to join a high-performance engineering team building technology that powers real-time trading across global financial markets. This is an opportunity to work on mission-critical systems where performance, reliability, and latency are paramount.

Key Responsibilities

Design, develop and optimize high-performance C++ applications for low-latency trading environments.

Reduce system latency through profiling, performance tuning and code optimization.

Build scalable, resilient software used in electronic trading and market data processing.

Work closely with traders, quantitative researchers and infrastructure engineers to deliver cutting-edge solutions.

Identify bottlenecks across software and hardware, implementing improvements to maximize throughput and minimize latency.

Requirements

Strong commercial experience developing software in modern C++ (C++17/20 preferred).

Proven experience building low-latency, high-performance systems.

Deep understanding of performance optimization, memory management, multi-threading and concurrent programming.

Experience profiling applications and optimizing CPU, cache utilization and network performance.

Strong knowledge of Linux development environments and systems programming.

Excellent problem-solving skills and a passion for writing highly efficient code.

Nice to Have

Experience within proprietary trading, hedge funds or electronic market making.

Knowledge of networking protocols (TCP/UDP), kernel bypass technologies, RDMA or DPDK.

Familiarity with exchange connectivity, market data or order management systems.

Exposure to Python for tooling or automation.

This is an excellent opportunity to work alongside some of the industry's strongest engineers, solving complex technical challenges where every microsecond counts.

Responsibilities

  • Design, develop and optimize high-performance C++ applications for low-latency trading environments.
  • Reduce system latency through profiling, performance tuning and code optimization.
  • Build scalable, resilient software used in electronic trading and market data processing.
  • Work closely with traders, quantitative researchers and infrastructure engineers to deliver cutting-edge solutions.
  • Identify bottlenecks across software and hardware, implementing improvements to maximize throughput and minimize latency.

Qualifications

  • Strong commercial experience developing software in modern C++ (C++17/20 preferred).
  • Proven experience building low-latency, high-performance systems.
  • Deep understanding of performance optimization, memory management, multi-threading and concurrent programming.
  • Experience profiling applications and optimizing CPU, cache utilization and network performance.
  • Strong knowledge of Linux development environments and systems programming.
  • Excellent problem-solving skills and a passion for writing highly efficient code.

Skills mentioned

C++Performance OptimizationLinuxConcurrencyMultithreadingTCP/IPSystems EngineeringDebuggingPythonDistributed Systems

About Fintal Partners

Fintal Partners is a boutique executive search firm specializing in the placement of elite talent within the U.S. capital markets. Our focus is sharp and niche: connecting the most exceptional candidates with leading trading shops, hedge funds, and private equity firms. What sets us apart is the strength of our relationships. We have built long-standing partnerships with many of the world’s most prominent and respected institutions, allowing us to offer unparalleled access and insight. With a deep understanding of the capital markets landscape, we deliver tailored search solutions that meet the unique demands of this fast-paced, competitive industry. A core areas of expertise include: Trading - Quantitative Research, Portfolio Management, Algorithmic Development, Systematic & Semi-Systematic Trading Software - Core Software Development, Quantitative Development, Machine Learning, Data, Infrastructure Hardware - R&D, FPGA/ASIC/PCB Design & Verification Back/Middle Office - Risk Management, Analytics, Market Data, Operations, Procurement If you're interested in hearing more, feel free to get in contact: contact@fintalpartners.com

Capital Markets11-50 employeesChicago, Illinois