Senior Software Developer (Trading Services)

Location: Chicago, IL, United States

Industry: Trading Firm

Posted: 2026-07-28

Contact: Ethan Hudson

Email: ehudson@oprecruiting.comPhone: 13176505687 Job TitleSenior Software Developer (Trading Services) Location Chicago, IL (Metro Area) - HybridAbout the Opportunity Join a premier proprietary trading organization to engineer mission-critical, low-latency infrastructure that powers firm-wide position tracking and real-time risk evaluation. In this role, you will build scalable distributed systems designed to transform high-throughput market feeds into immediate, actionable execution data.

Responsibilities: Architect ultra-low latency services that process live market updates, global positions, and portfolio risk metrics. Engineer scalable distributed architectures capable of processing multi-million event throughput per second. Construct robust, fault-tolerant messaging frameworks and data pipelines designed for continuous availability. Fine-tune C++ codebases and platform internals to minimize microsecond delays and strengthen overall resiliency. Work side-by-side with quant researchers, trading desks, and core engineering to deliver features supporting dynamic strategies.

Requirements: (Must-Have)

Experience: 5+ years of hands-on background crafting high-throughput, low-latency distributed platforms.

Core Technical Skills: Modern C++ (C++11 through C++17), with demonstrated mastery of lock-free data structures, multithreading, and low-level memory models. Domain Knowledge: Background working with high message-rate, bandwidth-heavy real-time data environments. Architecture: Proven skill in designing highly available, fault-tolerant software systems. Systems & Networking: Strong understanding of Linux/Unix internals, network protocols (TCP/IP, UDP), and socket communication. Data Management: Solid grounding in relational database design and query structure (e.g., PostgreSQL or similar).

Education: Bachelor's degree in Computer Science, Computer Engineering, or a related technical discipline. Collaboration: Clear written and verbal communication skills for effective technical alignment across research and trading teams. Preferred

Qualifications: (Nice-to-Have) Hands-on proficiency using network diagnostics and low-level debugging utilities (e.g., GDB, tcpdump, Wireshark).Prior technical experience within quantitative finance, market making, or high-frequency trading infrastructure.

Compensation & Benefits: Competitive base salary paired with a performance-driven incentive bonus pool. Comprehensive healthcare package, retirement savings matching, and standard corporate benefits.

Equal Employment Opportunity: This partner organization provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status#LI-ML1