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# C++ Developer - High-Frequency Trading

- **Company:** Phaxis LLC
- **Location:** New York, NY, United States
- **Salary:** $250,000.0 - $350,000.0
- **Contract:** Permanent contract
- **Skills:** Application Performance Management, Big Data, C++ (Programming Language), High-Frequency Trading, Linux System Administration, Network Programming, Performance Tuning, Software Engineering, Multithreading, Real Time Systems, Concurrency, Low Latency, Optimization Algorithms, C++14
- **Published:** October 16, 2026
- **Apply:** https://www.careerbuilder.com/job-details/cdeveloper-high-frequency-trading-new-york-ny--d30560f8-59ad-4715-b235-c1225948dab1

## About the Role

" Advanced experience developing software in modern C++ (C++17 and newer).
" Strong background in performance-sensitive, low-latency applications.
" Solid understanding of multithreading, concurrency, and network programming.
" Experience developing and tuning applications in Linux environments.
" Track record of building highly available, real-time systems handling large volumes of data and transactions.
" Previous exposure to electronic trading platforms within financial markets or digital asset environments., " Experience working within quantitative trading, market-making, hedge fund, proprietary trading, or exchange environments.
" Strong problem-solving abilities and a passion for performance optimization.
" Comfortable operating in fast-paced environments where engineering excellence directly impacts business outcomes.

## Description

Salary is 250k to 350k + bonus 2 days remote and 3 days onsite Seeking a highly skilled C++ Engineer to help build and enhance mission-critical trading infrastructure. This position is ideal for someone who enjoys solving complex performance challenges and developing systems where speed, reliability, and efficiency are paramount. What You'll Do " Develop and enhance low-latency trading platforms using modern C++. " Build scalable components supporting market data processing, order routing, execution, and risk controls. " Improve application performance through advanced optimization techniques across CPU, memory, and threading models. " Design and maintain connectivity solutions for trading venues and market data feeds. " Work closely with quantitative researchers, traders, and engineering teams to deliver high-performance solutions. " Analyze, benchmark, troubleshoot, and tune production systems to reduce latency and improve throughput. " Contribute to the stability and resiliency of real-time trading environments. What We're Looking For " Advanced experience developing software in modern C++ (C++17 and newer). " Strong background in performance-sensitive, low-latency applications. " Solid understanding of multithreading, concurrency, and network programming. " Experience developing and tuning applications in Linux environments. " Track record of building highly available, real-time systems handling large volumes of data and transactions. " Previous exposure to electronic trading platforms within financial markets or digital asset environments. Preferred Background " Experience working within quantitative trading, market-making, hedge fund, proprietary trading, or exchange environments. " Strong problem-solving abilities and a passion for performance optimization. " Comfortable operating in fast-paced environments where engineering excellence directly impacts business outcomes.